Browse Source

replace libfuse's autoconf with makefile

pull/583/head
Antonio SJ Musumeci 6 years ago
parent
commit
95c0cc741d
  1. 44
      Makefile
  2. 75
      libfuse/Makefile
  3. 15
      libfuse/Makefile.am
  4. 684
      libfuse/config.rpath
  5. 127
      libfuse/configure.ac
  6. 1427
      libfuse/doc/Doxyfile
  7. 5
      libfuse/doc/Makefile.am
  8. 39
      libfuse/doc/fusermount.1
  9. 54
      libfuse/doc/how-fuse-works
  10. 74
      libfuse/doc/html/annotated.html
  11. BIN
      libfuse/doc/html/bc_s.png
  12. BIN
      libfuse/doc/html/bdwn.png
  13. 66
      libfuse/doc/html/classes.html
  14. BIN
      libfuse/doc/html/closed.png
  15. 60
      libfuse/doc/html/dir_3ccffc210a036acba650f09ebe71329d.html
  16. 85
      libfuse/doc/html/dir_d44c64559bbebec7f509842c48db8b23.html
  17. 1440
      libfuse/doc/html/doxygen.css
  18. BIN
      libfuse/doc/html/doxygen.png
  19. 97
      libfuse/doc/html/dynsections.js
  20. 65
      libfuse/doc/html/files.html
  21. BIN
      libfuse/doc/html/ftv2blank.png
  22. BIN
      libfuse/doc/html/ftv2doc.png
  23. BIN
      libfuse/doc/html/ftv2folderclosed.png
  24. BIN
      libfuse/doc/html/ftv2folderopen.png
  25. BIN
      libfuse/doc/html/ftv2lastnode.png
  26. BIN
      libfuse/doc/html/ftv2link.png
  27. BIN
      libfuse/doc/html/ftv2mlastnode.png
  28. BIN
      libfuse/doc/html/ftv2mnode.png
  29. BIN
      libfuse/doc/html/ftv2node.png
  30. BIN
      libfuse/doc/html/ftv2plastnode.png
  31. BIN
      libfuse/doc/html/ftv2pnode.png
  32. BIN
      libfuse/doc/html/ftv2splitbar.png
  33. BIN
      libfuse/doc/html/ftv2vertline.png
  34. 519
      libfuse/doc/html/functions.html
  35. 519
      libfuse/doc/html/functions_vars.html
  36. 968
      libfuse/doc/html/fuse_8h.html
  37. 548
      libfuse/doc/html/fuse__common_8h.html
  38. 2291
      libfuse/doc/html/fuse__lowlevel_8h.html
  39. 530
      libfuse/doc/html/fuse__opt_8h.html
  40. 440
      libfuse/doc/html/globals.html
  41. 106
      libfuse/doc/html/globals_defs.html
  42. 70
      libfuse/doc/html/globals_enum.html
  43. 85
      libfuse/doc/html/globals_eval.html
  44. 353
      libfuse/doc/html/globals_func.html
  45. 82
      libfuse/doc/html/globals_type.html
  46. 50
      libfuse/doc/html/index.html
  47. BIN
      libfuse/doc/html/nav_f.png
  48. BIN
      libfuse/doc/html/nav_g.png
  49. BIN
      libfuse/doc/html/nav_h.png
  50. BIN
      libfuse/doc/html/open.png
  51. 115
      libfuse/doc/html/structfuse__args.html
  52. 149
      libfuse/doc/html/structfuse__buf.html
  53. 132
      libfuse/doc/html/structfuse__bufvec.html
  54. 141
      libfuse/doc/html/structfuse__chan__ops.html
  55. 221
      libfuse/doc/html/structfuse__conn__info.html
  56. 161
      libfuse/doc/html/structfuse__context.html
  57. 130
      libfuse/doc/html/structfuse__ctx.html
  58. 149
      libfuse/doc/html/structfuse__entry__param.html
  59. 221
      libfuse/doc/html/structfuse__file__info.html
  60. 1158
      libfuse/doc/html/structfuse__lowlevel__ops.html
  61. 112
      libfuse/doc/html/structfuse__module.html
  62. 867
      libfuse/doc/html/structfuse__operations.html
  63. 136
      libfuse/doc/html/structfuse__opt.html
  64. 160
      libfuse/doc/html/structfuse__session__ops.html
  65. BIN
      libfuse/doc/html/sync_off.png
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      libfuse/doc/html/sync_on.png
  67. BIN
      libfuse/doc/html/tab_a.png
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      libfuse/doc/html/tab_b.png
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      libfuse/doc/html/tab_h.png
  70. BIN
      libfuse/doc/html/tab_s.png
  71. 60
      libfuse/doc/html/tabs.css
  72. 423
      libfuse/doc/kernel.txt
  73. 161
      libfuse/doc/mount.fuse.8
  74. 28
      libfuse/doc/ulockmgr_server.1
  75. 17
      libfuse/ecfd/LICENSE
  76. 16
      libfuse/ecfd/README.md
  77. 32
      libfuse/ecfd/build
  78. 10
      libfuse/ecfd/tests/HAVE_FORK.c
  79. 11
      libfuse/ecfd/tests/HAVE_SPLICE.c
  80. 14
      libfuse/ecfd/tests/HAVE_STRUCT_STAT_ST_ATIM.c
  81. 11
      libfuse/ecfd/tests/HAVE_UTIMENSAT.c
  82. 12
      libfuse/ecfd/tests/HAVE_VMSPLICE.c
  83. 4
      libfuse/ecfd/tests/static_assert.h
  84. 17
      libfuse/example/Makefile.am
  85. 294
      libfuse/example/cusexmp.c
  86. 211
      libfuse/example/fioc.c
  87. 32
      libfuse/example/fioc.h
  88. 122
      libfuse/example/fioclient.c
  89. 278
      libfuse/example/fsel.c
  90. 72
      libfuse/example/fselclient.c
  91. 412
      libfuse/example/fusexmp.c
  92. 567
      libfuse/example/fusexmp_fh.c
  93. 96
      libfuse/example/hello.c
  94. 181
      libfuse/example/hello_ll.c
  95. 95
      libfuse/example/null.c
  96. 656
      libfuse/lib/mount.c
  97. 644
      libfuse/lib/mount_generic.c
  98. 12
      src/fuse_ioctl.cpp

44
Makefile

@ -38,21 +38,9 @@ endif
USE_XATTR = 1 USE_XATTR = 1
INTERNAL_FUSE = 1
EXTERNAL_FUSE_MIN_REQ = 2.9.7
ifeq ($(INTERNAL_FUSE),1)
FUSE_CFLAGS = -D_FILE_OFFSET_BITS=64 -Ilibfuse/include FUSE_CFLAGS = -D_FILE_OFFSET_BITS=64 -Ilibfuse/include
FUSE_LIBS = libfuse/lib/.libs/libfuse.a
FUSE_LIBS = libfuse/obj/libfuse.a
FUSE_TARGET = $(FUSE_LIBS) FUSE_TARGET = $(FUSE_LIBS)
else
FUSE_CFLAGS := $(shell $(PKGCONFIG) --cflags 'fuse >= $(EXTERNAL_FUSE_MIN_REQ)')
FUSE_LIBS := $(shell $(PKGCONFIG) --libs 'fuse >= $(EXTERNAL_FUSE_MIN_REQ)')
FUSE_TARGET :=
ifeq ($(FUSE_CFLAGS)$(FUSE_LIBS),)
$(error "Use of external FUSE requested, but no libfuse >= $(EXTERNAL_FUSE_MIN_REQ) found.")
endif
endif
ifeq ($(STATIC),1) ifeq ($(STATIC),1)
STATIC_FLAG := -static STATIC_FLAG := -static
@ -103,7 +91,6 @@ all: $(TARGET)
help: help:
@echo "usage: make\n" @echo "usage: make\n"
@echo "make USE_XATTR=0 - build program without xattrs functionality" @echo "make USE_XATTR=0 - build program without xattrs functionality"
@echo "make INTERNAL_FUSE=0 - to build program with external (system) libfuse rather than the bundled one ('-o threads=' option will be unavailable)"
@echo "make STATIC=1 - build static binary" @echo "make STATIC=1 - build static binary"
@echo "make LTO=1 - build with link time optimization" @echo "make LTO=1 - build with link time optimization"
@ -137,24 +124,14 @@ obj/obj-stamp:
obj/%.o: src/%.cpp obj/%.o: src/%.cpp
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@ $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@
clean: rpm-clean libfuse_Makefile
clean: rpm-clean
$(RM) -f src/version.hpp $(RM) -f src/version.hpp
$(RM) -rf obj $(RM) -rf obj
$(RM) -f "$(TARGET)" mount.mergerfs $(RM) -f "$(TARGET)" mount.mergerfs
$(FIND) . -name "*~" -delete $(FIND) . -name "*~" -delete
ifeq ($(INTERNAL_FUSE),1)
cd libfuse && $(MAKE) clean cd libfuse && $(MAKE) clean
endif
distclean: clean libfuse_Makefile
ifeq ($(INTERNAL_FUSE),1)
cd libfuse && $(MAKE) distclean
endif
ifeq ($(GIT_REPO),1)
$(GIT) clean -fd
endif
superclean: distclean
distclean: clean
ifeq ($(GIT_REPO),1) ifeq ($(GIT_REPO),1)
$(GIT) clean -xfd $(GIT) clean -xfd
endif endif
@ -236,19 +213,8 @@ install-build-pkgs:
tools/install-build-pkgs tools/install-build-pkgs
unexport CFLAGS unexport CFLAGS
.PHONY: libfuse_Makefile
libfuse_Makefile:
ifeq ($(INTERNAL_FUSE),1)
ifeq ($(shell test -e libfuse/Makefile; echo $$?),1)
cd libfuse && \
$(MKDIR) -p m4 && \
autoreconf --force --install && \
./configure --enable-lib --disable-util --disable-example
endif
endif
libfuse/lib/.libs/libfuse.a: libfuse_Makefile
cd libfuse && $(MAKE)
libfuse/obj/libfuse.a:
cd libfuse && $(MAKE) libfuse.a
.PHONY: all clean install help version .PHONY: all clean install help version

75
libfuse/Makefile

@ -0,0 +1,75 @@
VERSION = "2.9.7-mergerfs_2.26.0"
OPT = -O2
DESTDIR = "/"
BINDIR = "/bin"
SBINDIR = "/sbin"
SRC = \
lib/buffer.c \
lib/cuse_lowlevel.c \
lib/fuse.c \
lib/fuse_kern_chan.c \
lib/fuse_loop.c \
lib/fuse_loop_mt.c \
lib/fuse_lowlevel.c \
lib/fuse_mt.c \
lib/fuse_opt.c \
lib/fuse_session.c \
lib/fuse_signals.c \
lib/helper.c \
lib/mount.c
OBJ = $(SRC:lib/%.c=obj/%.o)
DEPS = $(OBJ:obj/%.o=obj/%.d)
CFLAGS = $(OPT) \
-g \
-Wall \
-pipe \
'-D_FILE_OFFSET_BITS=64' \
'-D_REENTRANT' \
'-DFUSE_USE_VERSION=29' \
'-DFUSERMOUNT_DIR="/usr/local/bin"' \
'-DPACKAGE_VERSION=$(VERSION)' \
-Iinclude \
-MMD
LDFLAGS = \
-ldl \
-lrt \
-pthread
all: obj/libfuse.a mergerfs-mount mount.mergerfs
libfuse.a: obj/libfuse.a
include/config.h:
ecfd/build | tee include/config.h
obj/libfuse.a: obj/obj-stamp include/config.h $(OBJ)
ar rcs obj/libfuse.a $(OBJ)
mergerfs-mount: include/config.h util/fusermount.c lib/mount_util.c
$(CC) $(CFLAGS) -Ilib -o mergerfs-mount util/fusermount.c lib/mount_util.c
mount.mergerfs: obj/libfuse.a util/mount.fuse.c
$(CC) $(CFLAGS) -o mount.mergerfs util/mount.fuse.c obj/libfuse.a $(LDFLAGS)
obj/obj-stamp:
mkdir -p obj
touch $@
obj/%.o: lib/%.c
$(CC) $(CFLAGS) -c $< -o $@
clean:
rm -rf obj include/config.h mergerfs-mount mount.mergerfs
distclean: clean
git clean -fdx
install:
install -D mergerfs-mount "$(DESTDIR)$(BINDIR)/mergerfs-mount"
chown root:root "$(DESTDIR)$(BINDIR)/mergerfs-mount"
chmod u+s "$(DESTDIR)$(BINDIR)/mergerfs-mount"
install -D mount.mergerfs "$(DESTDIR)$(SBINDIR)/mount.mergerfs"
-include $(DEPS)

15
libfuse/Makefile.am

@ -1,15 +0,0 @@
## Process this file with automake to produce Makefile.in
ACLOCAL_AMFLAGS = -I m4
SUBDIRS = @subdirs2@ doc
AUTOMAKE_OPTIONS = subdir-objects
EXTRA_DIST = \
fuse.pc.in \
README*
pkgconfigdir = @pkgconfigdir@
pkgconfig_DATA = fuse.pc
$(pkgconfig_DATA): config.status

684
libfuse/config.rpath

@ -1,684 +0,0 @@
#! /bin/sh
# Output a system dependent set of variables, describing how to set the
# run time search path of shared libraries in an executable.
#
# Copyright 1996-2014 Free Software Foundation, Inc.
# Taken from GNU libtool, 2001
# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
#
# The first argument passed to this file is the canonical host specification,
# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
# or
# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
# The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
# should be set by the caller.
#
# The set of defined variables is at the end of this script.
# Known limitations:
# - On IRIX 6.5 with CC="cc", the run time search patch must not be longer
# than 256 bytes, otherwise the compiler driver will dump core. The only
# known workaround is to choose shorter directory names for the build
# directory and/or the installation directory.
# All known linkers require a '.a' archive for static linking (except MSVC,
# which needs '.lib').
libext=a
shrext=.so
host="$1"
host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
# Code taken from libtool.m4's _LT_CC_BASENAME.
for cc_temp in $CC""; do
case $cc_temp in
compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
\-*) ;;
*) break;;
esac
done
cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'`
# Code taken from libtool.m4's _LT_COMPILER_PIC.
wl=
if test "$GCC" = yes; then
wl='-Wl,'
else
case "$host_os" in
aix*)
wl='-Wl,'
;;
mingw* | cygwin* | pw32* | os2* | cegcc*)
;;
hpux9* | hpux10* | hpux11*)
wl='-Wl,'
;;
irix5* | irix6* | nonstopux*)
wl='-Wl,'
;;
linux* | k*bsd*-gnu | kopensolaris*-gnu)
case $cc_basename in
ecc*)
wl='-Wl,'
;;
icc* | ifort*)
wl='-Wl,'
;;
lf95*)
wl='-Wl,'
;;
nagfor*)
wl='-Wl,-Wl,,'
;;
pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
wl='-Wl,'
;;
ccc*)
wl='-Wl,'
;;
xl* | bgxl* | bgf* | mpixl*)
wl='-Wl,'
;;
como)
wl='-lopt='
;;
*)
case `$CC -V 2>&1 | sed 5q` in
*Sun\ F* | *Sun*Fortran*)
wl=
;;
*Sun\ C*)
wl='-Wl,'
;;
esac
;;
esac
;;
newsos6)
;;
*nto* | *qnx*)
;;
osf3* | osf4* | osf5*)
wl='-Wl,'
;;
rdos*)
;;
solaris*)
case $cc_basename in
f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
wl='-Qoption ld '
;;
*)
wl='-Wl,'
;;
esac
;;
sunos4*)
wl='-Qoption ld '
;;
sysv4 | sysv4.2uw2* | sysv4.3*)
wl='-Wl,'
;;
sysv4*MP*)
;;
sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
wl='-Wl,'
;;
unicos*)
wl='-Wl,'
;;
uts4*)
;;
esac
fi
# Code taken from libtool.m4's _LT_LINKER_SHLIBS.
hardcode_libdir_flag_spec=
hardcode_libdir_separator=
hardcode_direct=no
hardcode_minus_L=no
case "$host_os" in
cygwin* | mingw* | pw32* | cegcc*)
# FIXME: the MSVC++ port hasn't been tested in a loooong time
# When not using gcc, we currently assume that we are using
# Microsoft Visual C++.
if test "$GCC" != yes; then
with_gnu_ld=no
fi
;;
interix*)
# we just hope/assume this is gcc and not c89 (= MSVC++)
with_gnu_ld=yes
;;
openbsd*)
with_gnu_ld=no
;;
esac
ld_shlibs=yes
if test "$with_gnu_ld" = yes; then
# Set some defaults for GNU ld with shared library support. These
# are reset later if shared libraries are not supported. Putting them
# here allows them to be overridden if necessary.
# Unlike libtool, we use -rpath here, not --rpath, since the documented
# option of GNU ld is called -rpath, not --rpath.
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
case "$host_os" in
aix[3-9]*)
# On AIX/PPC, the GNU linker is very broken
if test "$host_cpu" != ia64; then
ld_shlibs=no
fi
;;
amigaos*)
case "$host_cpu" in
powerpc)
;;
m68k)
hardcode_libdir_flag_spec='-L$libdir'
hardcode_minus_L=yes
;;
esac
;;
beos*)
if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
:
else
ld_shlibs=no
fi
;;
cygwin* | mingw* | pw32* | cegcc*)
# hardcode_libdir_flag_spec is actually meaningless, as there is
# no search path for DLLs.
hardcode_libdir_flag_spec='-L$libdir'
if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
:
else
ld_shlibs=no
fi
;;
haiku*)
;;
interix[3-9]*)
hardcode_direct=no
hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
;;
gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
:
else
ld_shlibs=no
fi
;;
netbsd*)
;;
solaris*)
if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
ld_shlibs=no
elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
:
else
ld_shlibs=no
fi
;;
sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
case `$LD -v 2>&1` in
*\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
ld_shlibs=no
;;
*)
if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
else
ld_shlibs=no
fi
;;
esac
;;
sunos4*)
hardcode_direct=yes
;;
*)
if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
:
else
ld_shlibs=no
fi
;;
esac
if test "$ld_shlibs" = no; then
hardcode_libdir_flag_spec=
fi
else
case "$host_os" in
aix3*)
# Note: this linker hardcodes the directories in LIBPATH if there
# are no directories specified by -L.
hardcode_minus_L=yes
if test "$GCC" = yes; then
# Neither direct hardcoding nor static linking is supported with a
# broken collect2.
hardcode_direct=unsupported
fi
;;
aix[4-9]*)
if test "$host_cpu" = ia64; then
# On IA64, the linker does run time linking by default, so we don't
# have to do anything special.
aix_use_runtimelinking=no
else
aix_use_runtimelinking=no
# Test if we are trying to use run time linking or normal
# AIX style linking. If -brtl is somewhere in LDFLAGS, we
# need to do runtime linking.
case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
for ld_flag in $LDFLAGS; do
if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
aix_use_runtimelinking=yes
break
fi
done
;;
esac
fi
hardcode_direct=yes
hardcode_libdir_separator=':'
if test "$GCC" = yes; then
case $host_os in aix4.[012]|aix4.[012].*)
collect2name=`${CC} -print-prog-name=collect2`
if test -f "$collect2name" && \
strings "$collect2name" | grep resolve_lib_name >/dev/null
then
# We have reworked collect2
:
else
# We have old collect2
hardcode_direct=unsupported
hardcode_minus_L=yes
hardcode_libdir_flag_spec='-L$libdir'
hardcode_libdir_separator=
fi
;;
esac
fi
# Begin _LT_AC_SYS_LIBPATH_AIX.
echo 'int main () { return 0; }' > conftest.c
${CC} ${LDFLAGS} conftest.c -o conftest
aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
}'`
if test -z "$aix_libpath"; then
aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
}'`
fi
if test -z "$aix_libpath"; then
aix_libpath="/usr/lib:/lib"
fi
rm -f conftest.c conftest
# End _LT_AC_SYS_LIBPATH_AIX.
if test "$aix_use_runtimelinking" = yes; then
hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
else
if test "$host_cpu" = ia64; then
hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
else
hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
fi
fi
;;
amigaos*)
case "$host_cpu" in
powerpc)
;;
m68k)
hardcode_libdir_flag_spec='-L$libdir'
hardcode_minus_L=yes
;;
esac
;;
bsdi[45]*)
;;
cygwin* | mingw* | pw32* | cegcc*)
# When not using gcc, we currently assume that we are using
# Microsoft Visual C++.
# hardcode_libdir_flag_spec is actually meaningless, as there is
# no search path for DLLs.
hardcode_libdir_flag_spec=' '
libext=lib
;;
darwin* | rhapsody*)
hardcode_direct=no
if { case $cc_basename in ifort*) true;; *) test "$GCC" = yes;; esac; }; then
:
else
ld_shlibs=no
fi
;;
dgux*)
hardcode_libdir_flag_spec='-L$libdir'
;;
freebsd2.[01]*)
hardcode_direct=yes
hardcode_minus_L=yes
;;
freebsd* | dragonfly*)
hardcode_libdir_flag_spec='-R$libdir'
hardcode_direct=yes
;;
hpux9*)
hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
hardcode_libdir_separator=:
hardcode_direct=yes
# hardcode_minus_L: Not really in the search PATH,
# but as the default location of the library.
hardcode_minus_L=yes
;;
hpux10*)
if test "$with_gnu_ld" = no; then
hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
hardcode_libdir_separator=:
hardcode_direct=yes
# hardcode_minus_L: Not really in the search PATH,
# but as the default location of the library.
hardcode_minus_L=yes
fi
;;
hpux11*)
if test "$with_gnu_ld" = no; then
hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
hardcode_libdir_separator=:
case $host_cpu in
hppa*64*|ia64*)
hardcode_direct=no
;;
*)
hardcode_direct=yes
# hardcode_minus_L: Not really in the search PATH,
# but as the default location of the library.
hardcode_minus_L=yes
;;
esac
fi
;;
irix5* | irix6* | nonstopux*)
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
hardcode_libdir_separator=:
;;
netbsd*)
hardcode_libdir_flag_spec='-R$libdir'
hardcode_direct=yes
;;
newsos6)
hardcode_direct=yes
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
hardcode_libdir_separator=:
;;
*nto* | *qnx*)
;;
openbsd*)
if test -f /usr/libexec/ld.so; then
hardcode_direct=yes
if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
else
case "$host_os" in
openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
hardcode_libdir_flag_spec='-R$libdir'
;;
*)
hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
;;
esac
fi
else
ld_shlibs=no
fi
;;
os2*)
hardcode_libdir_flag_spec='-L$libdir'
hardcode_minus_L=yes
;;
osf3*)
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
hardcode_libdir_separator=:
;;
osf4* | osf5*)
if test "$GCC" = yes; then
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
else
# Both cc and cxx compiler support -rpath directly
hardcode_libdir_flag_spec='-rpath $libdir'
fi
hardcode_libdir_separator=:
;;
solaris*)
hardcode_libdir_flag_spec='-R$libdir'
;;
sunos4*)
hardcode_libdir_flag_spec='-L$libdir'
hardcode_direct=yes
hardcode_minus_L=yes
;;
sysv4)
case $host_vendor in
sni)
hardcode_direct=yes # is this really true???
;;
siemens)
hardcode_direct=no
;;
motorola)
hardcode_direct=no #Motorola manual says yes, but my tests say they lie
;;
esac
;;
sysv4.3*)
;;
sysv4*MP*)
if test -d /usr/nec; then
ld_shlibs=yes
fi
;;
sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
;;
sysv5* | sco3.2v5* | sco5v6*)
hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
hardcode_libdir_separator=':'
;;
uts4*)
hardcode_libdir_flag_spec='-L$libdir'
;;
*)
ld_shlibs=no
;;
esac
fi
# Check dynamic linker characteristics
# Code taken from libtool.m4's _LT_SYS_DYNAMIC_LINKER.
# Unlike libtool.m4, here we don't care about _all_ names of the library, but
# only about the one the linker finds when passed -lNAME. This is the last
# element of library_names_spec in libtool.m4, or possibly two of them if the
# linker has special search rules.
library_names_spec= # the last element of library_names_spec in libtool.m4
libname_spec='lib$name'
case "$host_os" in
aix3*)
library_names_spec='$libname.a'
;;
aix[4-9]*)
library_names_spec='$libname$shrext'
;;
amigaos*)
case "$host_cpu" in
powerpc*)
library_names_spec='$libname$shrext' ;;
m68k)
library_names_spec='$libname.a' ;;
esac
;;
beos*)
library_names_spec='$libname$shrext'
;;
bsdi[45]*)
library_names_spec='$libname$shrext'
;;
cygwin* | mingw* | pw32* | cegcc*)
shrext=.dll
library_names_spec='$libname.dll.a $libname.lib'
;;
darwin* | rhapsody*)
shrext=.dylib
library_names_spec='$libname$shrext'
;;
dgux*)
library_names_spec='$libname$shrext'
;;
freebsd[23].*)
library_names_spec='$libname$shrext$versuffix'
;;
freebsd* | dragonfly*)
library_names_spec='$libname$shrext'
;;
gnu*)
library_names_spec='$libname$shrext'
;;
haiku*)
library_names_spec='$libname$shrext'
;;
hpux9* | hpux10* | hpux11*)
case $host_cpu in
ia64*)
shrext=.so
;;
hppa*64*)
shrext=.sl
;;
*)
shrext=.sl
;;
esac
library_names_spec='$libname$shrext'
;;
interix[3-9]*)
library_names_spec='$libname$shrext'
;;
irix5* | irix6* | nonstopux*)
library_names_spec='$libname$shrext'
case "$host_os" in
irix5* | nonstopux*)
libsuff= shlibsuff=
;;
*)
case $LD in
*-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;;
*-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;;
*-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;;
*) libsuff= shlibsuff= ;;
esac
;;
esac
;;
linux*oldld* | linux*aout* | linux*coff*)
;;
linux* | k*bsd*-gnu | kopensolaris*-gnu)
library_names_spec='$libname$shrext'
;;
knetbsd*-gnu)
library_names_spec='$libname$shrext'
;;
netbsd*)
library_names_spec='$libname$shrext'
;;
newsos6)
library_names_spec='$libname$shrext'
;;
*nto* | *qnx*)
library_names_spec='$libname$shrext'
;;
openbsd*)
library_names_spec='$libname$shrext$versuffix'
;;
os2*)
libname_spec='$name'
shrext=.dll
library_names_spec='$libname.a'
;;
osf3* | osf4* | osf5*)
library_names_spec='$libname$shrext'
;;
rdos*)
;;
solaris*)
library_names_spec='$libname$shrext'
;;
sunos4*)
library_names_spec='$libname$shrext$versuffix'
;;
sysv4 | sysv4.3*)
library_names_spec='$libname$shrext'
;;
sysv4*MP*)
library_names_spec='$libname$shrext'
;;
sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
library_names_spec='$libname$shrext'
;;
tpf*)
library_names_spec='$libname$shrext'
;;
uts4*)
library_names_spec='$libname$shrext'
;;
esac
sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
shlibext=`echo "$shrext" | sed -e 's,^\.,,'`
escaped_libname_spec=`echo "X$libname_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
escaped_library_names_spec=`echo "X$library_names_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
# How to pass a linker flag through the compiler.
wl="$escaped_wl"
# Static library suffix (normally "a").
libext="$libext"
# Shared library suffix (normally "so").
shlibext="$shlibext"
# Format of library name prefix.
libname_spec="$escaped_libname_spec"
# Library names that the linker finds when passed -lNAME.
library_names_spec="$escaped_library_names_spec"
# Flag to hardcode \$libdir into a binary during linking.
# This must work even if \$libdir does not exist.
hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
# Whether we need a single -rpath flag with a separated argument.
hardcode_libdir_separator="$hardcode_libdir_separator"
# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
# resulting binary.
hardcode_direct="$hardcode_direct"
# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
# resulting binary.
hardcode_minus_L="$hardcode_minus_L"
EOF

127
libfuse/configure.ac

@ -1,127 +0,0 @@
AC_INIT(fuse, 2.9.7-mergerfs_2.26.0)
AC_PREREQ(2.59d)
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE([foreign])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES(yes)])
AC_CONFIG_HEADERS(include/config.h)
AC_PROG_LIBTOOL
AC_PROG_CC
AC_PROG_MKDIR_P
AM_PROG_CC_C_O
case $target_os in
*linux*) arch=linux;;
*netbsd*) arch=netbsd;;
*bsd*) arch=bsd;;
*) arch=unknown;;
esac
if test "$ac_env_CFLAGS_set" != set; then
CFLAGS="-Wall -W -Wno-sign-compare -Wstrict-prototypes -Wmissing-declarations -Wwrite-strings -g -O2 -fno-strict-aliasing"
fi
AC_ARG_ENABLE(lib,
[ --enable-lib Compile with library ])
AC_ARG_ENABLE(util,
[ --enable-util Compile with util ])
AC_ARG_ENABLE(example,
[ --enable-example Compile with examples ])
AC_ARG_ENABLE(mtab,
[ --disable-mtab Disable and ignore usage of /etc/mtab ])
AC_ARG_WITH(pkgconfigdir,
[ --with-pkgconfigdir=DIR pkgconfig file in DIR @<:@LIBDIR/pkgconfig@:>@],
[pkgconfigdir=$withval],
[pkgconfigdir='${libdir}/pkgconfig'])
AC_SUBST(pkgconfigdir)
subdirs2="include"
if test "$enable_lib" != "no"; then
subdirs2="$subdirs2 lib";
fi
if test "$arch" = linux -a "$enable_util" != "no"; then
subdirs2="$subdirs2 util";
fi
if test "$enable_example" != "no"; then
subdirs2="$subdirs2 example";
fi
if test "$enable_mtab" = "no"; then
AC_DEFINE(IGNORE_MTAB, 1, [Don't update /etc/mtab])
fi
AC_CHECK_FUNCS([fork setxattr fdatasync splice vmsplice utimensat])
AC_CHECK_FUNCS([posix_fallocate])
AC_CHECK_MEMBERS([struct stat.st_atim])
AC_CHECK_MEMBERS([struct stat.st_atimespec])
LIBS=
AC_SEARCH_LIBS(dlopen, [dl])
AC_SEARCH_LIBS(clock_gettime, [rt])
libfuse_libs=$LIBS
LIBS=
AC_ARG_WITH([libiconv-prefix],
[ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [
for dir in `echo "$withval" | tr : ' '`; do
if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
done
])
AM_ICONV
libfuse_libs="$libfuse_libs $LTLIBICONV"
AM_CONDITIONAL(ICONV, test "$am_cv_func_iconv" = yes)
AC_SUBST(libfuse_libs)
if test -z "$MOUNT_FUSE_PATH"; then
MOUNT_FUSE_PATH=/sbin
AC_MSG_NOTICE([MOUNT_FUSE_PATH env var not set, using default $MOUNT_FUSE_PATH])
fi
AC_SUBST(MOUNT_FUSE_PATH)
if test -z "$UDEV_RULES_PATH"; then
UDEV_RULES_PATH=/etc/udev/rules.d
AC_MSG_NOTICE([UDEV_RULES_PATH env var not set, using default $UDEV_RULES_PATH])
fi
AC_SUBST(UDEV_RULES_PATH)
if test -z "$INIT_D_PATH"; then
INIT_D_PATH=/etc/init.d
AC_MSG_NOTICE([INIT_D_PATH env var not set, using default $INIT_D_PATH])
fi
AC_SUBST(INIT_D_PATH)
AC_SUBST(subdirs2)
AM_CONDITIONAL(LINUX, test "$arch" = linux)
AM_CONDITIONAL(NETBSD, test "$arch" = netbsd)
AM_CONDITIONAL(BSD, test "$arch" = bsd)
util_linux_ok=yes
if test "$arch" = linux -a "$cross_compiling" != "yes"; then
AC_MSG_CHECKING([if umount supports --fake --no-canonicalize])
# exit code of umount is 1 if option is unrecognised, 2 otherwise
umount --fake --no-canonicalize > /dev/null 2>&1
if test $? != 1; then
AC_MSG_RESULT([yes])
else
firstline=`umount --fake --no-canonicalize 2>&1 | head -1`
if test "$firstline" = 'umount: only root can use "--fake" option'; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([$firstline])
util_linux_ok=no
fi
fi
fi
AC_CONFIG_FILES([fuse.pc Makefile lib/Makefile util/Makefile example/Makefile include/Makefile doc/Makefile])
AC_OUTPUT
if test "$util_linux_ok" = no; then
AC_MSG_WARN([
******************************************************************
* Please install util-linux version 2.18 or later which supports *
* --fake and --no-canonicalize options in mount and umount *
******************************************************************])
fi

1427
libfuse/doc/Doxyfile
File diff suppressed because it is too large
View File

5
libfuse/doc/Makefile.am

@ -1,5 +0,0 @@
## Process this file with automake to produce Makefile.in
dist_man_MANS = fusermount.1 mount.fuse.8 ulockmgr_server.1
EXTRA_DIST = how-fuse-works kernel.txt Doxyfile html

39
libfuse/doc/fusermount.1

@ -1,39 +0,0 @@
.TH FUSERMOUNT 1 2011\-10\-23 2.8.6 "Filesystem in Userspace (FUSE)"
.SH NAME
\fBfusermount\fR \- mount and unmount FUSE filesystems
.SH SYNOPSIS
\fBfusermount\fR [\fIOPTIONS\fR] \fIMOUNTPOINT\fR
.SH DESCRIPTION
Filesystem in Userspace (FUSE) is a simple interface for userspace programs to export a virtual filesystem to the Linux kernel. It also aims to provide a secure method for non privileged users to create and mount their own filesystem implementations.
.PP
\fBfusermount\fR is a program to mount and unmount FUSE filesystems.
.SH OPTIONS
.IP "\-h" 4
print help.
.IP "\-V" 4
print version.
.IP "-o \fIOPTION\fR[,\fIOPTION\fR...]" 4
mount options.
.IP "-u" 4
unmount.
.IP "-q" 4
quiet.
.IP "-z" 4
lazy unmount.
.SH SEE ALSO
\fImount\fR(8),
\fImount.fuse\fR(8),
\fIulockmgr_server\fR(1).
.SH HOMEPAGE
More information about fusermount and the FUSE project can be found at <\fIhttp://fuse.sourceforge.net/\fR>.
.SH AUTHOR
FUSE was written by Miklos Szeredi <\fImiklos@szeredi.hu\fR>.
.PP
This manual page was written by Daniel Baumann <\fIdaniel.baumann@progress\-technologies.net\fR>.

54
libfuse/doc/how-fuse-works

@ -1,54 +0,0 @@
How Fuse-1.3 Works
[Written by Terje Oseberg]
1. The fuse library.
When your user mode program calls fuse_main() (lib/helper.c),
fuse_main() parses the arguments passed to your user mode program,
then calls fuse_mount() (lib/mount.c).
fuse_mount() creates a UNIX domain socket pair, then forks and execs
fusermount (util/fusermount.c) passing it one end of the socket in the
FUSE_COMMFD_ENV environment variable.
fusermount (util/fusermount.c) makes sure that the fuse module is
loaded. fusermount then open /dev/fuse and send the file handle over a
UNIX domain socket back to fuse_mount().
fuse_mount() returns the filehandle for /dev/fuse to fuse_main().
fuse_main() calls fuse_new() (lib/fuse.c) which allocates the struct
fuse datastructure that stores and maintains a cached image of the
filesystem data.
Lastly, fuse_main() calls either fuse_loop() (lib/fuse.c) or
fuse_loop_mt() (lib/fuse_mt.c) which both start to read the filesystem
system calls from the /dev/fuse, call the usermode functions
stored in struct fuse_operations datastructure before calling
fuse_main(). The results of those calls are then written back to the
/dev/fuse file where they can be forwarded back to the system
calls.
2. The kernel module.
The kernel module consists of two parts. First the proc filesystem
component in kernel/dev.c -and second the filesystem system calls
kernel/file.c, kernel/inode.c, and kernel/dir.c
All the system calls in kernel/file.c, kernel/inode.c, and
kernel/dir.c make calls to either request_send(),
request_send_noreply(), or request_send_nonblock(). Most of the calls
(all but 2) are to request_send(). request_send() adds the request to,
"list of requests" structure (fc->pending), then waits for a response.
request_send_noreply() and request_send_nonblock() are both similar in
function to request_send() except that one is non-blocking, and the
other does not respond with a reply.
The proc filesystem component in kernel/dev.c responds to file io
requests to the file /dev/fuse. fuse_dev_read() handles the
file reads and returns commands from the "list of requests" structure
to the calling program. fuse_dev_write() handles file writes and takes
the data written and places them into the req->out datastructure where
they can be returned to the system call through the "list of requests"
structure and request_send().

74
libfuse/doc/html/annotated.html

@ -1,74 +0,0 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<meta name="generator" content="Doxygen 1.8.8"/>
<title>fuse: Data Structures</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<script type="text/javascript" src="dynsections.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
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<tr style="height: 56px;">
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<div id="projectname">fuse
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</div><!-- top -->
<div class="header">
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<div class="title">Data Structures</div> </div>
</div><!--header-->
<div class="contents">
<div class="textblock">Here are the data structures with brief descriptions:</div><div class="directory">
<table class="directory">
<tr id="row_0_" class="even"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__args.html" target="_self">fuse_args</a></td><td class="desc"></td></tr>
<tr id="row_1_"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__buf.html" target="_self">fuse_buf</a></td><td class="desc"></td></tr>
<tr id="row_2_" class="even"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__bufvec.html" target="_self">fuse_bufvec</a></td><td class="desc"></td></tr>
<tr id="row_3_"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__chan__ops.html" target="_self">fuse_chan_ops</a></td><td class="desc"></td></tr>
<tr id="row_4_" class="even"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__conn__info.html" target="_self">fuse_conn_info</a></td><td class="desc"></td></tr>
<tr id="row_5_"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__context.html" target="_self">fuse_context</a></td><td class="desc"></td></tr>
<tr id="row_6_" class="even"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__ctx.html" target="_self">fuse_ctx</a></td><td class="desc"></td></tr>
<tr id="row_7_"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__entry__param.html" target="_self">fuse_entry_param</a></td><td class="desc"></td></tr>
<tr id="row_8_" class="even"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__file__info.html" target="_self">fuse_file_info</a></td><td class="desc"></td></tr>
<tr id="row_9_"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__lowlevel__ops.html" target="_self">fuse_lowlevel_ops</a></td><td class="desc"></td></tr>
<tr id="row_10_" class="even"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__module.html" target="_self">fuse_module</a></td><td class="desc"></td></tr>
<tr id="row_11_"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__operations.html" target="_self">fuse_operations</a></td><td class="desc"></td></tr>
<tr id="row_12_" class="even"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__opt.html" target="_self">fuse_opt</a></td><td class="desc"></td></tr>
<tr id="row_13_"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structfuse__session__ops.html" target="_self">fuse_session_ops</a></td><td class="desc"></td></tr>
</table>
</div><!-- directory -->
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Sat Apr 23 2016 09:43:20 for fuse by &#160;<a href="http://www.doxygen.org/index.html">
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<li><a href="files.html"><span>Files</span></a></li>
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<li><a href="annotated.html"><span>Data&#160;Structures</span></a></li>
<li class="current"><a href="functions.html"><span>Data&#160;Fields</span></a></li>
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<ul class="tablist">
<li class="current"><a href="functions.html"><span>All</span></a></li>
<li><a href="functions_vars.html"><span>Variables</span></a></li>
</ul>
</div>
<div id="navrow4" class="tabs3">
<ul class="tablist">
<li><a href="#index_a"><span>a</span></a></li>
<li><a href="#index_b"><span>b</span></a></li>
<li><a href="#index_c"><span>c</span></a></li>
<li><a href="#index_d"><span>d</span></a></li>
<li><a href="#index_e"><span>e</span></a></li>
<li><a href="#index_f"><span>f</span></a></li>
<li><a href="#index_g"><span>g</span></a></li>
<li><a href="#index_i"><span>i</span></a></li>
<li><a href="#index_k"><span>k</span></a></li>
<li><a href="#index_l"><span>l</span></a></li>
<li><a href="#index_m"><span>m</span></a></li>
<li><a href="#index_n"><span>n</span></a></li>
<li><a href="#index_o"><span>o</span></a></li>
<li><a href="#index_p"><span>p</span></a></li>
<li><a href="#index_r"><span>r</span></a></li>
<li><a href="#index_s"><span>s</span></a></li>
<li><a href="#index_t"><span>t</span></a></li>
<li><a href="#index_u"><span>u</span></a></li>
<li><a href="#index_v"><span>v</span></a></li>
<li class="current"><a href="#index_w"><span>w</span></a></li>
</ul>
</div>
</div><!-- top -->
<div class="contents">
<div class="textblock">Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:</div>
<h3><a class="anchor" id="index_a"></a>- a -</h3><ul>
<li>access
: <a class="el" href="structfuse__lowlevel__ops.html#abdfcb8249b126f95bc33ba23e78f1916">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a2248db35e200265f7fb9a18348229858">fuse_operations</a>
</li>
<li>allocated
: <a class="el" href="structfuse__args.html#a3fdc7eb5448d89a4ecbabba88cbafe5f">fuse_args</a>
</li>
<li>argc
: <a class="el" href="structfuse__args.html#a501883d1eababa08e05b0c802b31e11d">fuse_args</a>
</li>
<li>argv
: <a class="el" href="structfuse__args.html#a6f90bec2356aff03de79baaca65276b6">fuse_args</a>
</li>
<li>async_read
: <a class="el" href="structfuse__conn__info.html#a25c9b670226641a2ccdb6bd0c74082b6">fuse_conn_info</a>
</li>
<li>attr
: <a class="el" href="structfuse__entry__param.html#adcdee37c96ad18380a47cdbe96a323b9">fuse_entry_param</a>
</li>
<li>attr_timeout
: <a class="el" href="structfuse__entry__param.html#aa797a9f4152cae506ba479af8bbe2eb7">fuse_entry_param</a>
</li>
</ul>
<h3><a class="anchor" id="index_b"></a>- b -</h3><ul>
<li>bmap
: <a class="el" href="structfuse__lowlevel__ops.html#adb295e706897d7ada3249d8b027fde7b">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ae3f3482e33a0eada0292350d76b82901">fuse_operations</a>
</li>
<li>buf
: <a class="el" href="structfuse__bufvec.html#a754caca61fdf8107d28b510505a033bb">fuse_bufvec</a>
</li>
</ul>
<h3><a class="anchor" id="index_c"></a>- c -</h3><ul>
<li>capable
: <a class="el" href="structfuse__conn__info.html#a8a1c61f5d7cc14249fb6971165bb958e">fuse_conn_info</a>
</li>
<li>chmod
: <a class="el" href="structfuse__operations.html#a7e75d299efe3a401e8473af7028e5cc5">fuse_operations</a>
</li>
<li>chown
: <a class="el" href="structfuse__operations.html#a40421f8a43e903582c49897894f4692d">fuse_operations</a>
</li>
<li>congestion_threshold
: <a class="el" href="structfuse__conn__info.html#a2ce707ca8bfd6f6669557db7f37bb1ad">fuse_conn_info</a>
</li>
<li>count
: <a class="el" href="structfuse__bufvec.html#ac303661a9c39ade1feeb05d8238b4ed6">fuse_bufvec</a>
</li>
<li>create
: <a class="el" href="structfuse__lowlevel__ops.html#a226ce8b472150dd91977cb6c191ff792">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a97243e0f9268a96236bc3b6f2bacee17">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_d"></a>- d -</h3><ul>
<li>destroy
: <a class="el" href="structfuse__chan__ops.html#a5df2257938552c436142f1c790667f74">fuse_chan_ops</a>
, <a class="el" href="structfuse__lowlevel__ops.html#a963181c33f58859fd060b0ccde2f5ec3">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ac41d37ab860204fe4bd7612f9fb036c5">fuse_operations</a>
, <a class="el" href="structfuse__session__ops.html#afee317cbaa077d50fd19245924ddfff3">fuse_session_ops</a>
</li>
<li>direct_io
: <a class="el" href="structfuse__file__info.html#a03b59a10e62963d9affa34ad78bd144a">fuse_file_info</a>
</li>
</ul>
<h3><a class="anchor" id="index_e"></a>- e -</h3><ul>
<li>entry_timeout
: <a class="el" href="structfuse__entry__param.html#a281b39b72e7ec574ba40d7341fd22c1d">fuse_entry_param</a>
</li>
<li>exit
: <a class="el" href="structfuse__session__ops.html#aeb6548d5e59314ae6c83b905993710e3">fuse_session_ops</a>
</li>
<li>exited
: <a class="el" href="structfuse__session__ops.html#a6307bc12276d867dcb06ade8744cf02b">fuse_session_ops</a>
</li>
</ul>
<h3><a class="anchor" id="index_f"></a>- f -</h3><ul>
<li>factory
: <a class="el" href="structfuse__module.html#a433d1857217f025aaf561fb95ffadae5">fuse_module</a>
</li>
<li>fallocate
: <a class="el" href="structfuse__lowlevel__ops.html#a5d0ddef3583d645ccf957bdef9291047">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a4fa8203e4bfa71d62c15deb5dffe4867">fuse_operations</a>
</li>
<li>fd
: <a class="el" href="structfuse__buf.html#a62b2ae82904ac4355142984b9dd90d68">fuse_buf</a>
</li>
<li>fgetattr
: <a class="el" href="structfuse__operations.html#a573d79862df591c98e1685225a4cd3a5">fuse_operations</a>
</li>
<li>fh
: <a class="el" href="structfuse__file__info.html#a45314d0b92a8d4c9de33d996aa59ada8">fuse_file_info</a>
</li>
<li>fh_old
: <a class="el" href="structfuse__file__info.html#a62d0083192d16484ac3136af3710cc11">fuse_file_info</a>
</li>
<li>flag_nopath
: <a class="el" href="structfuse__operations.html#abd0d90b9b500f6607f9aad9ae07784d8">fuse_operations</a>
</li>
<li>flag_nullpath_ok
: <a class="el" href="structfuse__operations.html#acf5f08abeb39ab627fe1043d9a67cc09">fuse_operations</a>
</li>
<li>flag_reserved
: <a class="el" href="structfuse__operations.html#ab54bb9753d457ceff8240f67b1b6b72d">fuse_operations</a>
</li>
<li>flag_utime_omit_ok
: <a class="el" href="structfuse__operations.html#a0ca87db7234e774e39de7b323e03455d">fuse_operations</a>
</li>
<li>flags
: <a class="el" href="structfuse__buf.html#a1928e204554f2d37cb8dac28a8a2f28c">fuse_buf</a>
, <a class="el" href="structfuse__file__info.html#ae7d31802727be19670193a411647bca5">fuse_file_info</a>
</li>
<li>flock
: <a class="el" href="structfuse__lowlevel__ops.html#a01b103e34d751d0456add93d9c34e711">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ad5968d566dab370974043fcf4271eb25">fuse_operations</a>
</li>
<li>flush
: <a class="el" href="structfuse__file__info.html#a9c1571cb4b6be75827f48aac5891606c">fuse_file_info</a>
, <a class="el" href="structfuse__lowlevel__ops.html#af6c2540969d60626f1c18e0012de393a">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ad4ec9c309072a92dd82ddb20efa4ab14">fuse_operations</a>
</li>
<li>forget
: <a class="el" href="structfuse__lowlevel__ops.html#a5a9112cb58497e68b7b197951c059d1e">fuse_lowlevel_ops</a>
</li>
<li>forget_multi
: <a class="el" href="structfuse__lowlevel__ops.html#a17808183820bb58dcc17db639511a2cb">fuse_lowlevel_ops</a>
</li>
<li>fsync
: <a class="el" href="structfuse__lowlevel__ops.html#a81ff5a93a2edd71b063c2e827e0fd8d8">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a92bdd6f43ba390a54ac360541c56b528">fuse_operations</a>
</li>
<li>fsyncdir
: <a class="el" href="structfuse__lowlevel__ops.html#ab2e3a9ad8b264daec4c254f5b064dfb3">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#aba5cc1fe9a63ec152ceb19656f243256">fuse_operations</a>
</li>
<li>ftruncate
: <a class="el" href="structfuse__operations.html#a1e492882859740f13cbf3344cf963c70">fuse_operations</a>
</li>
<li>fuse
: <a class="el" href="structfuse__context.html#a8872cbd7e8d0269fb5cbd1ed40e60a19">fuse_context</a>
</li>
</ul>
<h3><a class="anchor" id="index_g"></a>- g -</h3><ul>
<li>generation
: <a class="el" href="structfuse__entry__param.html#a6481786ffc9fcf968df41953d3f0bf98">fuse_entry_param</a>
</li>
<li>getattr
: <a class="el" href="structfuse__lowlevel__ops.html#a994c316fa7a1ca33525a4540675f6b47">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a7a4c5d8eaf7179d819618c0cf3f73724">fuse_operations</a>
</li>
<li>getlk
: <a class="el" href="structfuse__lowlevel__ops.html#a709d41ca0cde37dbd4d4d06c89f6906a">fuse_lowlevel_ops</a>
</li>
<li>getxattr
: <a class="el" href="structfuse__lowlevel__ops.html#aaed65c2801391c35ad0c60e73a0c43d9">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ae21503c64fe2990c8a599f5ba339a8f2">fuse_operations</a>
</li>
<li>gid
: <a class="el" href="structfuse__context.html#ab131a0e5df17a04126ba88b7614a5cf8">fuse_context</a>
, <a class="el" href="structfuse__ctx.html#a923348304ee26adb3a43c31a4bac9583">fuse_ctx</a>
</li>
</ul>
<h3><a class="anchor" id="index_i"></a>- i -</h3><ul>
<li>idx
: <a class="el" href="structfuse__bufvec.html#a41cc18cb303ee16d20b3ae1ebb0ef830">fuse_bufvec</a>
</li>
<li>init
: <a class="el" href="structfuse__lowlevel__ops.html#ab6fa0b9edb5b002cd1502c969c887329">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#adc6dc71274f185de72217e38d62142c4">fuse_operations</a>
</li>
<li>ino
: <a class="el" href="structfuse__entry__param.html#a285ba89754871772d940fa4fb736bce3">fuse_entry_param</a>
</li>
<li>ioctl
: <a class="el" href="structfuse__lowlevel__ops.html#a399da4f164985be5f5b93ef5b33551da">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a37f0612d67a6b76bf10fe6a71b0e3b5b">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_k"></a>- k -</h3><ul>
<li>keep_cache
: <a class="el" href="structfuse__file__info.html#a23a64eaecbf83f99aba8ee79e6de2780">fuse_file_info</a>
</li>
</ul>
<h3><a class="anchor" id="index_l"></a>- l -</h3><ul>
<li>link
: <a class="el" href="structfuse__lowlevel__ops.html#a406798b81f44a8b54f188455c31b9be8">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a1b234c43e826c6a690d80ea895a17f61">fuse_operations</a>
</li>
<li>listxattr
: <a class="el" href="structfuse__lowlevel__ops.html#a0f084e779f3fbd407bb5d0890bf0ef6b">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ab4a9c361ce48406f07d5a08ab03f5de8">fuse_operations</a>
</li>
<li>lock
: <a class="el" href="structfuse__operations.html#a1c3fff5cf0c1c2003d117e764b9a76fd">fuse_operations</a>
</li>
<li>lock_owner
: <a class="el" href="structfuse__file__info.html#a3575f36b21f406c211c41c8c31323688">fuse_file_info</a>
</li>
<li>lookup
: <a class="el" href="structfuse__lowlevel__ops.html#ae8a2850c71bec355ad347413fa73f7c2">fuse_lowlevel_ops</a>
</li>
</ul>
<h3><a class="anchor" id="index_m"></a>- m -</h3><ul>
<li>max_background
: <a class="el" href="structfuse__conn__info.html#a5f9e695735727343448ae1e1a86dfa03">fuse_conn_info</a>
</li>
<li>max_readahead
: <a class="el" href="structfuse__conn__info.html#acb560435478ca7bfb3dbf7df4c0f2dfe">fuse_conn_info</a>
</li>
<li>max_write
: <a class="el" href="structfuse__conn__info.html#ad5009eace718861580e1260d241432d9">fuse_conn_info</a>
</li>
<li>mem
: <a class="el" href="structfuse__buf.html#a537f80b7703cbfc860dfaf4b86de79ae">fuse_buf</a>
</li>
<li>mkdir
: <a class="el" href="structfuse__lowlevel__ops.html#a23af0f6683447112848d9f1731e021d7">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a0a38aa6ca60e945772d5d21b0c1c8916">fuse_operations</a>
</li>
<li>mknod
: <a class="el" href="structfuse__lowlevel__ops.html#a5cd44aa96291fa366d4ef40e2d1d1d76">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a1465eb2268cec2bb5ed11cb09bbda42f">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_n"></a>- n -</h3><ul>
<li>name
: <a class="el" href="structfuse__module.html#abc7b2bc3480bbb94a4eb9c1d910a0385">fuse_module</a>
</li>
<li>nonseekable
: <a class="el" href="structfuse__file__info.html#a272022c57a6a79dd8f98ef597786e154">fuse_file_info</a>
</li>
</ul>
<h3><a class="anchor" id="index_o"></a>- o -</h3><ul>
<li>off
: <a class="el" href="structfuse__bufvec.html#a0fbb583168d52562f0f848562ecf63bc">fuse_bufvec</a>
</li>
<li>offset
: <a class="el" href="structfuse__opt.html#a333dcd849a3bd54df06084a69b5a8d39">fuse_opt</a>
</li>
<li>open
: <a class="el" href="structfuse__lowlevel__ops.html#aab2f5186ecaa817e75ed443165288218">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a14b98c3f7ab97cc2ef8f9b1d9dc0709d">fuse_operations</a>
</li>
<li>opendir
: <a class="el" href="structfuse__lowlevel__ops.html#a57a2c2d826fe11dd005d3275c3028d5e">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a1813889bc5e6e0087a936b7abe8b923f">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_p"></a>- p -</h3><ul>
<li>padding
: <a class="el" href="structfuse__file__info.html#ac320b22a715b226cc175d622307150e3">fuse_file_info</a>
</li>
<li>pid
: <a class="el" href="structfuse__context.html#a79fb9aba1169e9a1cdbc6377ae1b3a6a">fuse_context</a>
, <a class="el" href="structfuse__ctx.html#a056667c9ce324cb56b833e981aef8b5b">fuse_ctx</a>
</li>
<li>poll
: <a class="el" href="structfuse__lowlevel__ops.html#a50abf8a54b6c73a5a40123b6cf63c71e">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a2c02838d30391c09dd5213edc61e106a">fuse_operations</a>
</li>
<li>pos
: <a class="el" href="structfuse__buf.html#a8de23b7869b06b9a9caef6beb7c9e88e">fuse_buf</a>
</li>
<li>private_data
: <a class="el" href="structfuse__context.html#a198911619cb8ee1a0b11302b94b6027e">fuse_context</a>
</li>
<li>process
: <a class="el" href="structfuse__session__ops.html#a8ed15bc86f9e32444cd0b80d605f227f">fuse_session_ops</a>
</li>
<li>proto_major
: <a class="el" href="structfuse__conn__info.html#a69c606abe81d16214d14ab58bad60062">fuse_conn_info</a>
</li>
<li>proto_minor
: <a class="el" href="structfuse__conn__info.html#a7a99196bc17f9b91622f6c1353da5f85">fuse_conn_info</a>
</li>
</ul>
<h3><a class="anchor" id="index_r"></a>- r -</h3><ul>
<li>read
: <a class="el" href="structfuse__lowlevel__ops.html#ab7b740dccdc6ddc388cdcd7897e4c2e3">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a2a1c6b4ce1845de56863f8b7939501b5">fuse_operations</a>
</li>
<li>read_buf
: <a class="el" href="structfuse__operations.html#a1ecbe844d937ffbbe135958bcb28a719">fuse_operations</a>
</li>
<li>readdir
: <a class="el" href="structfuse__lowlevel__ops.html#af1ef8e59e0cb0b02dc0e406898aeaa51">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a0f634deda31d1e1c42664585ae820076">fuse_operations</a>
</li>
<li>readlink
: <a class="el" href="structfuse__lowlevel__ops.html#ae1032649069ae28d46bde76a40743fcf">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ab4ce6e6d69dfde3ec550f22d932c5633">fuse_operations</a>
</li>
<li>receive
: <a class="el" href="structfuse__chan__ops.html#a622c80d319253941c6f71963261bff39">fuse_chan_ops</a>
</li>
<li>release
: <a class="el" href="structfuse__lowlevel__ops.html#abc49c6310cd0eaddf116988426ca21d2">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#abac8718cdfc1ee273a44831a27393419">fuse_operations</a>
</li>
<li>releasedir
: <a class="el" href="structfuse__lowlevel__ops.html#abfc54ffe5fa5778fc273a6666494d802">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a729e53d36acc05a7a8985a1a3bbfac1e">fuse_operations</a>
</li>
<li>removexattr
: <a class="el" href="structfuse__lowlevel__ops.html#a15be6632986e6be8660071e1d71ffe51">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a5e54de801a0e0d7019e4579112ecc477">fuse_operations</a>
</li>
<li>rename
: <a class="el" href="structfuse__lowlevel__ops.html#aff3670fecb2b4bf45543c191c9d70c02">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#aa777cbddc91887b117ac414e9a2d3cb5">fuse_operations</a>
</li>
<li>reserved
: <a class="el" href="structfuse__conn__info.html#ac036677ef99574c0faba807b0cfee0de">fuse_conn_info</a>
</li>
<li>retrieve_reply
: <a class="el" href="structfuse__lowlevel__ops.html#a1c1d7ad0c1fb40d7180660e7f3f7f089">fuse_lowlevel_ops</a>
</li>
<li>rmdir
: <a class="el" href="structfuse__lowlevel__ops.html#a3cbf1eaf4366aed47fa5d991ea5ff0d5">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ac59578d18db12f0142ae1ab6e8812d55">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_s"></a>- s -</h3><ul>
<li>send
: <a class="el" href="structfuse__chan__ops.html#a5dadbc392d24d80a53c71d50daa0b59c">fuse_chan_ops</a>
</li>
<li>setattr
: <a class="el" href="structfuse__lowlevel__ops.html#a6a95408dd79575df7f6c64e55f1e973b">fuse_lowlevel_ops</a>
</li>
<li>setlk
: <a class="el" href="structfuse__lowlevel__ops.html#af290d78441583d1d6ba02da01904f328">fuse_lowlevel_ops</a>
</li>
<li>setxattr
: <a class="el" href="structfuse__lowlevel__ops.html#ab80c4081204c07a423c3c88b116f3086">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a988ced7091c2821daa208e6c96d8b598">fuse_operations</a>
</li>
<li>size
: <a class="el" href="structfuse__buf.html#afb58c1e18f434d1d4edb784d00e2e13d">fuse_buf</a>
</li>
<li>statfs
: <a class="el" href="structfuse__lowlevel__ops.html#aeea156121a28b519e284451721fb7d25">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a4e765e29122e7b6b533dc99849a52655">fuse_operations</a>
</li>
<li>symlink
: <a class="el" href="structfuse__lowlevel__ops.html#a30455cc58397c5a45434492d93a71af4">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ab86022391e56a8ad3211cf754b5b5ebe">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_t"></a>- t -</h3><ul>
<li>templ
: <a class="el" href="structfuse__opt.html#a215255be3ed5c0f6c3e0d5dcc96d7b12">fuse_opt</a>
</li>
<li>truncate
: <a class="el" href="structfuse__operations.html#a8efb50b9cd975ba8c4c450248caff6ed">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_u"></a>- u -</h3><ul>
<li>uid
: <a class="el" href="structfuse__context.html#a3b71993170253c519e85736524201bf4">fuse_context</a>
, <a class="el" href="structfuse__ctx.html#abf920c4533df81789fd284aa05ee5771">fuse_ctx</a>
</li>
<li>umask
: <a class="el" href="structfuse__context.html#ac02329c0eacbd034fd0b44b1c0cb2c81">fuse_context</a>
, <a class="el" href="structfuse__ctx.html#aa6932619b51a5bfe4d1362ac4c1d2ce8">fuse_ctx</a>
</li>
<li>unlink
: <a class="el" href="structfuse__lowlevel__ops.html#afb6e186f5cbe806d3838a51c112a97ee">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a8bf63301a9d6e94311fa10480993801e">fuse_operations</a>
</li>
<li>utime
: <a class="el" href="structfuse__operations.html#acb7452acad1002d418409892b6e54c2e">fuse_operations</a>
</li>
<li>utimens
: <a class="el" href="structfuse__operations.html#a79955861cc5eb006954476607ef28944">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_v"></a>- v -</h3><ul>
<li>value
: <a class="el" href="structfuse__opt.html#aeb76339e1ce6948ad94bd2d4d5d01e20">fuse_opt</a>
</li>
</ul>
<h3><a class="anchor" id="index_w"></a>- w -</h3><ul>
<li>want
: <a class="el" href="structfuse__conn__info.html#af45de81548b591f3004353a324e4e04d">fuse_conn_info</a>
</li>
<li>write
: <a class="el" href="structfuse__lowlevel__ops.html#a09cc5c1078cfb909513b5ca27464f53a">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a897d1ece4b8b04c92d97b97b2dbf9768">fuse_operations</a>
</li>
<li>write_buf
: <a class="el" href="structfuse__lowlevel__ops.html#a3b40ed06d1297f244363a8dcd40d44aa">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a89f400083a03ddcc43e47ce126b6761f">fuse_operations</a>
</li>
<li>writepage
: <a class="el" href="structfuse__file__info.html#ac58a8634699eb8ed8d424cd4413dd75b">fuse_file_info</a>
</li>
</ul>
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Sat Apr 23 2016 09:43:20 for fuse by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.8
</small></address>
</body>
</html>

519
libfuse/doc/html/functions_vars.html

@ -1,519 +0,0 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.8"/>
<title>fuse: Data Fields - Variables</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">fuse
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.8 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main&#160;Page</span></a></li>
<li class="current"><a href="annotated.html"><span>Data&#160;Structures</span></a></li>
<li><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="annotated.html"><span>Data&#160;Structures</span></a></li>
<li class="current"><a href="functions.html"><span>Data&#160;Fields</span></a></li>
</ul>
</div>
<div id="navrow3" class="tabs2">
<ul class="tablist">
<li><a href="functions.html"><span>All</span></a></li>
<li class="current"><a href="functions_vars.html"><span>Variables</span></a></li>
</ul>
</div>
<div id="navrow4" class="tabs3">
<ul class="tablist">
<li><a href="#index_a"><span>a</span></a></li>
<li><a href="#index_b"><span>b</span></a></li>
<li><a href="#index_c"><span>c</span></a></li>
<li><a href="#index_d"><span>d</span></a></li>
<li><a href="#index_e"><span>e</span></a></li>
<li><a href="#index_f"><span>f</span></a></li>
<li><a href="#index_g"><span>g</span></a></li>
<li><a href="#index_i"><span>i</span></a></li>
<li><a href="#index_k"><span>k</span></a></li>
<li><a href="#index_l"><span>l</span></a></li>
<li><a href="#index_m"><span>m</span></a></li>
<li><a href="#index_n"><span>n</span></a></li>
<li><a href="#index_o"><span>o</span></a></li>
<li><a href="#index_p"><span>p</span></a></li>
<li><a href="#index_r"><span>r</span></a></li>
<li><a href="#index_s"><span>s</span></a></li>
<li><a href="#index_t"><span>t</span></a></li>
<li><a href="#index_u"><span>u</span></a></li>
<li><a href="#index_v"><span>v</span></a></li>
<li class="current"><a href="#index_w"><span>w</span></a></li>
</ul>
</div>
</div><!-- top -->
<div class="contents">
&#160;
<h3><a class="anchor" id="index_a"></a>- a -</h3><ul>
<li>access
: <a class="el" href="structfuse__lowlevel__ops.html#abdfcb8249b126f95bc33ba23e78f1916">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a2248db35e200265f7fb9a18348229858">fuse_operations</a>
</li>
<li>allocated
: <a class="el" href="structfuse__args.html#a3fdc7eb5448d89a4ecbabba88cbafe5f">fuse_args</a>
</li>
<li>argc
: <a class="el" href="structfuse__args.html#a501883d1eababa08e05b0c802b31e11d">fuse_args</a>
</li>
<li>argv
: <a class="el" href="structfuse__args.html#a6f90bec2356aff03de79baaca65276b6">fuse_args</a>
</li>
<li>async_read
: <a class="el" href="structfuse__conn__info.html#a25c9b670226641a2ccdb6bd0c74082b6">fuse_conn_info</a>
</li>
<li>attr
: <a class="el" href="structfuse__entry__param.html#adcdee37c96ad18380a47cdbe96a323b9">fuse_entry_param</a>
</li>
<li>attr_timeout
: <a class="el" href="structfuse__entry__param.html#aa797a9f4152cae506ba479af8bbe2eb7">fuse_entry_param</a>
</li>
</ul>
<h3><a class="anchor" id="index_b"></a>- b -</h3><ul>
<li>bmap
: <a class="el" href="structfuse__lowlevel__ops.html#adb295e706897d7ada3249d8b027fde7b">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ae3f3482e33a0eada0292350d76b82901">fuse_operations</a>
</li>
<li>buf
: <a class="el" href="structfuse__bufvec.html#a754caca61fdf8107d28b510505a033bb">fuse_bufvec</a>
</li>
</ul>
<h3><a class="anchor" id="index_c"></a>- c -</h3><ul>
<li>capable
: <a class="el" href="structfuse__conn__info.html#a8a1c61f5d7cc14249fb6971165bb958e">fuse_conn_info</a>
</li>
<li>chmod
: <a class="el" href="structfuse__operations.html#a7e75d299efe3a401e8473af7028e5cc5">fuse_operations</a>
</li>
<li>chown
: <a class="el" href="structfuse__operations.html#a40421f8a43e903582c49897894f4692d">fuse_operations</a>
</li>
<li>congestion_threshold
: <a class="el" href="structfuse__conn__info.html#a2ce707ca8bfd6f6669557db7f37bb1ad">fuse_conn_info</a>
</li>
<li>count
: <a class="el" href="structfuse__bufvec.html#ac303661a9c39ade1feeb05d8238b4ed6">fuse_bufvec</a>
</li>
<li>create
: <a class="el" href="structfuse__lowlevel__ops.html#a226ce8b472150dd91977cb6c191ff792">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a97243e0f9268a96236bc3b6f2bacee17">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_d"></a>- d -</h3><ul>
<li>destroy
: <a class="el" href="structfuse__chan__ops.html#a5df2257938552c436142f1c790667f74">fuse_chan_ops</a>
, <a class="el" href="structfuse__lowlevel__ops.html#a963181c33f58859fd060b0ccde2f5ec3">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ac41d37ab860204fe4bd7612f9fb036c5">fuse_operations</a>
, <a class="el" href="structfuse__session__ops.html#afee317cbaa077d50fd19245924ddfff3">fuse_session_ops</a>
</li>
<li>direct_io
: <a class="el" href="structfuse__file__info.html#a03b59a10e62963d9affa34ad78bd144a">fuse_file_info</a>
</li>
</ul>
<h3><a class="anchor" id="index_e"></a>- e -</h3><ul>
<li>entry_timeout
: <a class="el" href="structfuse__entry__param.html#a281b39b72e7ec574ba40d7341fd22c1d">fuse_entry_param</a>
</li>
<li>exit
: <a class="el" href="structfuse__session__ops.html#aeb6548d5e59314ae6c83b905993710e3">fuse_session_ops</a>
</li>
<li>exited
: <a class="el" href="structfuse__session__ops.html#a6307bc12276d867dcb06ade8744cf02b">fuse_session_ops</a>
</li>
</ul>
<h3><a class="anchor" id="index_f"></a>- f -</h3><ul>
<li>factory
: <a class="el" href="structfuse__module.html#a433d1857217f025aaf561fb95ffadae5">fuse_module</a>
</li>
<li>fallocate
: <a class="el" href="structfuse__lowlevel__ops.html#a5d0ddef3583d645ccf957bdef9291047">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a4fa8203e4bfa71d62c15deb5dffe4867">fuse_operations</a>
</li>
<li>fd
: <a class="el" href="structfuse__buf.html#a62b2ae82904ac4355142984b9dd90d68">fuse_buf</a>
</li>
<li>fgetattr
: <a class="el" href="structfuse__operations.html#a573d79862df591c98e1685225a4cd3a5">fuse_operations</a>
</li>
<li>fh
: <a class="el" href="structfuse__file__info.html#a45314d0b92a8d4c9de33d996aa59ada8">fuse_file_info</a>
</li>
<li>fh_old
: <a class="el" href="structfuse__file__info.html#a62d0083192d16484ac3136af3710cc11">fuse_file_info</a>
</li>
<li>flag_nopath
: <a class="el" href="structfuse__operations.html#abd0d90b9b500f6607f9aad9ae07784d8">fuse_operations</a>
</li>
<li>flag_nullpath_ok
: <a class="el" href="structfuse__operations.html#acf5f08abeb39ab627fe1043d9a67cc09">fuse_operations</a>
</li>
<li>flag_reserved
: <a class="el" href="structfuse__operations.html#ab54bb9753d457ceff8240f67b1b6b72d">fuse_operations</a>
</li>
<li>flag_utime_omit_ok
: <a class="el" href="structfuse__operations.html#a0ca87db7234e774e39de7b323e03455d">fuse_operations</a>
</li>
<li>flags
: <a class="el" href="structfuse__buf.html#a1928e204554f2d37cb8dac28a8a2f28c">fuse_buf</a>
, <a class="el" href="structfuse__file__info.html#ae7d31802727be19670193a411647bca5">fuse_file_info</a>
</li>
<li>flock
: <a class="el" href="structfuse__lowlevel__ops.html#a01b103e34d751d0456add93d9c34e711">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ad5968d566dab370974043fcf4271eb25">fuse_operations</a>
</li>
<li>flush
: <a class="el" href="structfuse__file__info.html#a9c1571cb4b6be75827f48aac5891606c">fuse_file_info</a>
, <a class="el" href="structfuse__lowlevel__ops.html#af6c2540969d60626f1c18e0012de393a">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ad4ec9c309072a92dd82ddb20efa4ab14">fuse_operations</a>
</li>
<li>forget
: <a class="el" href="structfuse__lowlevel__ops.html#a5a9112cb58497e68b7b197951c059d1e">fuse_lowlevel_ops</a>
</li>
<li>forget_multi
: <a class="el" href="structfuse__lowlevel__ops.html#a17808183820bb58dcc17db639511a2cb">fuse_lowlevel_ops</a>
</li>
<li>fsync
: <a class="el" href="structfuse__lowlevel__ops.html#a81ff5a93a2edd71b063c2e827e0fd8d8">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a92bdd6f43ba390a54ac360541c56b528">fuse_operations</a>
</li>
<li>fsyncdir
: <a class="el" href="structfuse__lowlevel__ops.html#ab2e3a9ad8b264daec4c254f5b064dfb3">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#aba5cc1fe9a63ec152ceb19656f243256">fuse_operations</a>
</li>
<li>ftruncate
: <a class="el" href="structfuse__operations.html#a1e492882859740f13cbf3344cf963c70">fuse_operations</a>
</li>
<li>fuse
: <a class="el" href="structfuse__context.html#a8872cbd7e8d0269fb5cbd1ed40e60a19">fuse_context</a>
</li>
</ul>
<h3><a class="anchor" id="index_g"></a>- g -</h3><ul>
<li>generation
: <a class="el" href="structfuse__entry__param.html#a6481786ffc9fcf968df41953d3f0bf98">fuse_entry_param</a>
</li>
<li>getattr
: <a class="el" href="structfuse__lowlevel__ops.html#a994c316fa7a1ca33525a4540675f6b47">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a7a4c5d8eaf7179d819618c0cf3f73724">fuse_operations</a>
</li>
<li>getlk
: <a class="el" href="structfuse__lowlevel__ops.html#a709d41ca0cde37dbd4d4d06c89f6906a">fuse_lowlevel_ops</a>
</li>
<li>getxattr
: <a class="el" href="structfuse__lowlevel__ops.html#aaed65c2801391c35ad0c60e73a0c43d9">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ae21503c64fe2990c8a599f5ba339a8f2">fuse_operations</a>
</li>
<li>gid
: <a class="el" href="structfuse__context.html#ab131a0e5df17a04126ba88b7614a5cf8">fuse_context</a>
, <a class="el" href="structfuse__ctx.html#a923348304ee26adb3a43c31a4bac9583">fuse_ctx</a>
</li>
</ul>
<h3><a class="anchor" id="index_i"></a>- i -</h3><ul>
<li>idx
: <a class="el" href="structfuse__bufvec.html#a41cc18cb303ee16d20b3ae1ebb0ef830">fuse_bufvec</a>
</li>
<li>init
: <a class="el" href="structfuse__lowlevel__ops.html#ab6fa0b9edb5b002cd1502c969c887329">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#adc6dc71274f185de72217e38d62142c4">fuse_operations</a>
</li>
<li>ino
: <a class="el" href="structfuse__entry__param.html#a285ba89754871772d940fa4fb736bce3">fuse_entry_param</a>
</li>
<li>ioctl
: <a class="el" href="structfuse__lowlevel__ops.html#a399da4f164985be5f5b93ef5b33551da">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a37f0612d67a6b76bf10fe6a71b0e3b5b">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_k"></a>- k -</h3><ul>
<li>keep_cache
: <a class="el" href="structfuse__file__info.html#a23a64eaecbf83f99aba8ee79e6de2780">fuse_file_info</a>
</li>
</ul>
<h3><a class="anchor" id="index_l"></a>- l -</h3><ul>
<li>link
: <a class="el" href="structfuse__lowlevel__ops.html#a406798b81f44a8b54f188455c31b9be8">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a1b234c43e826c6a690d80ea895a17f61">fuse_operations</a>
</li>
<li>listxattr
: <a class="el" href="structfuse__lowlevel__ops.html#a0f084e779f3fbd407bb5d0890bf0ef6b">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ab4a9c361ce48406f07d5a08ab03f5de8">fuse_operations</a>
</li>
<li>lock
: <a class="el" href="structfuse__operations.html#a1c3fff5cf0c1c2003d117e764b9a76fd">fuse_operations</a>
</li>
<li>lock_owner
: <a class="el" href="structfuse__file__info.html#a3575f36b21f406c211c41c8c31323688">fuse_file_info</a>
</li>
<li>lookup
: <a class="el" href="structfuse__lowlevel__ops.html#ae8a2850c71bec355ad347413fa73f7c2">fuse_lowlevel_ops</a>
</li>
</ul>
<h3><a class="anchor" id="index_m"></a>- m -</h3><ul>
<li>max_background
: <a class="el" href="structfuse__conn__info.html#a5f9e695735727343448ae1e1a86dfa03">fuse_conn_info</a>
</li>
<li>max_readahead
: <a class="el" href="structfuse__conn__info.html#acb560435478ca7bfb3dbf7df4c0f2dfe">fuse_conn_info</a>
</li>
<li>max_write
: <a class="el" href="structfuse__conn__info.html#ad5009eace718861580e1260d241432d9">fuse_conn_info</a>
</li>
<li>mem
: <a class="el" href="structfuse__buf.html#a537f80b7703cbfc860dfaf4b86de79ae">fuse_buf</a>
</li>
<li>mkdir
: <a class="el" href="structfuse__lowlevel__ops.html#a23af0f6683447112848d9f1731e021d7">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a0a38aa6ca60e945772d5d21b0c1c8916">fuse_operations</a>
</li>
<li>mknod
: <a class="el" href="structfuse__lowlevel__ops.html#a5cd44aa96291fa366d4ef40e2d1d1d76">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a1465eb2268cec2bb5ed11cb09bbda42f">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_n"></a>- n -</h3><ul>
<li>name
: <a class="el" href="structfuse__module.html#abc7b2bc3480bbb94a4eb9c1d910a0385">fuse_module</a>
</li>
<li>nonseekable
: <a class="el" href="structfuse__file__info.html#a272022c57a6a79dd8f98ef597786e154">fuse_file_info</a>
</li>
</ul>
<h3><a class="anchor" id="index_o"></a>- o -</h3><ul>
<li>off
: <a class="el" href="structfuse__bufvec.html#a0fbb583168d52562f0f848562ecf63bc">fuse_bufvec</a>
</li>
<li>offset
: <a class="el" href="structfuse__opt.html#a333dcd849a3bd54df06084a69b5a8d39">fuse_opt</a>
</li>
<li>open
: <a class="el" href="structfuse__lowlevel__ops.html#aab2f5186ecaa817e75ed443165288218">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a14b98c3f7ab97cc2ef8f9b1d9dc0709d">fuse_operations</a>
</li>
<li>opendir
: <a class="el" href="structfuse__lowlevel__ops.html#a57a2c2d826fe11dd005d3275c3028d5e">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a1813889bc5e6e0087a936b7abe8b923f">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_p"></a>- p -</h3><ul>
<li>padding
: <a class="el" href="structfuse__file__info.html#ac320b22a715b226cc175d622307150e3">fuse_file_info</a>
</li>
<li>pid
: <a class="el" href="structfuse__context.html#a79fb9aba1169e9a1cdbc6377ae1b3a6a">fuse_context</a>
, <a class="el" href="structfuse__ctx.html#a056667c9ce324cb56b833e981aef8b5b">fuse_ctx</a>
</li>
<li>poll
: <a class="el" href="structfuse__lowlevel__ops.html#a50abf8a54b6c73a5a40123b6cf63c71e">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a2c02838d30391c09dd5213edc61e106a">fuse_operations</a>
</li>
<li>pos
: <a class="el" href="structfuse__buf.html#a8de23b7869b06b9a9caef6beb7c9e88e">fuse_buf</a>
</li>
<li>private_data
: <a class="el" href="structfuse__context.html#a198911619cb8ee1a0b11302b94b6027e">fuse_context</a>
</li>
<li>process
: <a class="el" href="structfuse__session__ops.html#a8ed15bc86f9e32444cd0b80d605f227f">fuse_session_ops</a>
</li>
<li>proto_major
: <a class="el" href="structfuse__conn__info.html#a69c606abe81d16214d14ab58bad60062">fuse_conn_info</a>
</li>
<li>proto_minor
: <a class="el" href="structfuse__conn__info.html#a7a99196bc17f9b91622f6c1353da5f85">fuse_conn_info</a>
</li>
</ul>
<h3><a class="anchor" id="index_r"></a>- r -</h3><ul>
<li>read
: <a class="el" href="structfuse__lowlevel__ops.html#ab7b740dccdc6ddc388cdcd7897e4c2e3">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a2a1c6b4ce1845de56863f8b7939501b5">fuse_operations</a>
</li>
<li>read_buf
: <a class="el" href="structfuse__operations.html#a1ecbe844d937ffbbe135958bcb28a719">fuse_operations</a>
</li>
<li>readdir
: <a class="el" href="structfuse__lowlevel__ops.html#af1ef8e59e0cb0b02dc0e406898aeaa51">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a0f634deda31d1e1c42664585ae820076">fuse_operations</a>
</li>
<li>readlink
: <a class="el" href="structfuse__lowlevel__ops.html#ae1032649069ae28d46bde76a40743fcf">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ab4ce6e6d69dfde3ec550f22d932c5633">fuse_operations</a>
</li>
<li>receive
: <a class="el" href="structfuse__chan__ops.html#a622c80d319253941c6f71963261bff39">fuse_chan_ops</a>
</li>
<li>release
: <a class="el" href="structfuse__lowlevel__ops.html#abc49c6310cd0eaddf116988426ca21d2">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#abac8718cdfc1ee273a44831a27393419">fuse_operations</a>
</li>
<li>releasedir
: <a class="el" href="structfuse__lowlevel__ops.html#abfc54ffe5fa5778fc273a6666494d802">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a729e53d36acc05a7a8985a1a3bbfac1e">fuse_operations</a>
</li>
<li>removexattr
: <a class="el" href="structfuse__lowlevel__ops.html#a15be6632986e6be8660071e1d71ffe51">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a5e54de801a0e0d7019e4579112ecc477">fuse_operations</a>
</li>
<li>rename
: <a class="el" href="structfuse__lowlevel__ops.html#aff3670fecb2b4bf45543c191c9d70c02">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#aa777cbddc91887b117ac414e9a2d3cb5">fuse_operations</a>
</li>
<li>reserved
: <a class="el" href="structfuse__conn__info.html#ac036677ef99574c0faba807b0cfee0de">fuse_conn_info</a>
</li>
<li>retrieve_reply
: <a class="el" href="structfuse__lowlevel__ops.html#a1c1d7ad0c1fb40d7180660e7f3f7f089">fuse_lowlevel_ops</a>
</li>
<li>rmdir
: <a class="el" href="structfuse__lowlevel__ops.html#a3cbf1eaf4366aed47fa5d991ea5ff0d5">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ac59578d18db12f0142ae1ab6e8812d55">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_s"></a>- s -</h3><ul>
<li>send
: <a class="el" href="structfuse__chan__ops.html#a5dadbc392d24d80a53c71d50daa0b59c">fuse_chan_ops</a>
</li>
<li>setattr
: <a class="el" href="structfuse__lowlevel__ops.html#a6a95408dd79575df7f6c64e55f1e973b">fuse_lowlevel_ops</a>
</li>
<li>setlk
: <a class="el" href="structfuse__lowlevel__ops.html#af290d78441583d1d6ba02da01904f328">fuse_lowlevel_ops</a>
</li>
<li>setxattr
: <a class="el" href="structfuse__lowlevel__ops.html#ab80c4081204c07a423c3c88b116f3086">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a988ced7091c2821daa208e6c96d8b598">fuse_operations</a>
</li>
<li>size
: <a class="el" href="structfuse__buf.html#afb58c1e18f434d1d4edb784d00e2e13d">fuse_buf</a>
</li>
<li>statfs
: <a class="el" href="structfuse__lowlevel__ops.html#aeea156121a28b519e284451721fb7d25">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a4e765e29122e7b6b533dc99849a52655">fuse_operations</a>
</li>
<li>symlink
: <a class="el" href="structfuse__lowlevel__ops.html#a30455cc58397c5a45434492d93a71af4">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#ab86022391e56a8ad3211cf754b5b5ebe">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_t"></a>- t -</h3><ul>
<li>templ
: <a class="el" href="structfuse__opt.html#a215255be3ed5c0f6c3e0d5dcc96d7b12">fuse_opt</a>
</li>
<li>truncate
: <a class="el" href="structfuse__operations.html#a8efb50b9cd975ba8c4c450248caff6ed">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_u"></a>- u -</h3><ul>
<li>uid
: <a class="el" href="structfuse__context.html#a3b71993170253c519e85736524201bf4">fuse_context</a>
, <a class="el" href="structfuse__ctx.html#abf920c4533df81789fd284aa05ee5771">fuse_ctx</a>
</li>
<li>umask
: <a class="el" href="structfuse__context.html#ac02329c0eacbd034fd0b44b1c0cb2c81">fuse_context</a>
, <a class="el" href="structfuse__ctx.html#aa6932619b51a5bfe4d1362ac4c1d2ce8">fuse_ctx</a>
</li>
<li>unlink
: <a class="el" href="structfuse__lowlevel__ops.html#afb6e186f5cbe806d3838a51c112a97ee">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a8bf63301a9d6e94311fa10480993801e">fuse_operations</a>
</li>
<li>utime
: <a class="el" href="structfuse__operations.html#acb7452acad1002d418409892b6e54c2e">fuse_operations</a>
</li>
<li>utimens
: <a class="el" href="structfuse__operations.html#a79955861cc5eb006954476607ef28944">fuse_operations</a>
</li>
</ul>
<h3><a class="anchor" id="index_v"></a>- v -</h3><ul>
<li>value
: <a class="el" href="structfuse__opt.html#aeb76339e1ce6948ad94bd2d4d5d01e20">fuse_opt</a>
</li>
</ul>
<h3><a class="anchor" id="index_w"></a>- w -</h3><ul>
<li>want
: <a class="el" href="structfuse__conn__info.html#af45de81548b591f3004353a324e4e04d">fuse_conn_info</a>
</li>
<li>write
: <a class="el" href="structfuse__lowlevel__ops.html#a09cc5c1078cfb909513b5ca27464f53a">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a897d1ece4b8b04c92d97b97b2dbf9768">fuse_operations</a>
</li>
<li>write_buf
: <a class="el" href="structfuse__lowlevel__ops.html#a3b40ed06d1297f244363a8dcd40d44aa">fuse_lowlevel_ops</a>
, <a class="el" href="structfuse__operations.html#a89f400083a03ddcc43e47ce126b6761f">fuse_operations</a>
</li>
<li>writepage
: <a class="el" href="structfuse__file__info.html#ac58a8634699eb8ed8d424cd4413dd75b">fuse_file_info</a>
</li>
</ul>
</div><!-- contents -->
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Generated on Sat Apr 23 2016 09:43:20 for fuse by &#160;<a href="http://www.doxygen.org/index.html">
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<a href="#nested-classes">Data Structures</a> &#124;
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<div class="textblock"><code>#include &quot;<a class="el" href="fuse__common_8h.html">fuse_common.h</a>&quot;</code><br />
<code>#include &lt;fcntl.h&gt;</code><br />
<code>#include &lt;time.h&gt;</code><br />
<code>#include &lt;utime.h&gt;</code><br />
<code>#include &lt;sys/types.h&gt;</code><br />
<code>#include &lt;sys/stat.h&gt;</code><br />
<code>#include &lt;sys/statvfs.h&gt;</code><br />
<code>#include &lt;sys/uio.h&gt;</code><br />
<code>#include &quot;fuse_compat.h&quot;</code><br />
</div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__operations.html">fuse_operations</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__context.html">fuse_context</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__module.html">fuse_module</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Macros</h2></td></tr>
<tr class="memitem:a61755930843c427b79622eda0ad8f083"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a61755930843c427b79622eda0ad8f083">fuse_main</a>(argc, argv, op, user_data)&#160;&#160;&#160;<a class="el" href="fuse_8h.html#a2098b9d60626bf749801d12f2d0d6fd3">fuse_main_real</a>(argc, argv, op, sizeof(*(op)), user_data)</td></tr>
<tr class="separator:a61755930843c427b79622eda0ad8f083"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af335784cf29289c7583f3312d98d2bcd"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#af335784cf29289c7583f3312d98d2bcd">FUSE_REGISTER_MODULE</a>(name_, factory_)</td></tr>
<tr class="separator:af335784cf29289c7583f3312d98d2bcd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad549ea7a3a1649a8b062843cecd793b6"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#ad549ea7a3a1649a8b062843cecd793b6">fuse_main</a>&#160;&#160;&#160;fuse_main_compat2</td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:ae2a2054f9852fd6020c26a1bcc7f1042"><td class="memItemLeft" align="right" valign="top">typedef int(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#ae2a2054f9852fd6020c26a1bcc7f1042">fuse_fill_dir_t</a> )(void *buf, const char *name, const struct stat *stbuf, off_t off)</td></tr>
<tr class="separator:ae2a2054f9852fd6020c26a1bcc7f1042"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab27948e20743f4c153f6ba6d71ca7182"><td class="memItemLeft" align="right" valign="top">typedef void(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#ab27948e20743f4c153f6ba6d71ca7182">fuse_processor_t</a> )(struct fuse *, struct fuse_cmd *, void *)</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a5326844946defe4a50b3f4320786a0f4"><td class="memItemLeft" align="right" valign="top">struct fuse *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a5326844946defe4a50b3f4320786a0f4">fuse_new</a> (struct fuse_chan *ch, struct <a class="el" href="structfuse__args.html">fuse_args</a> *args, const struct <a class="el" href="structfuse__operations.html">fuse_operations</a> *op, size_t op_size, void *user_data)</td></tr>
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<tr class="memitem:a0d47cac8a295efd5370d7af059e4d14f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a0d47cac8a295efd5370d7af059e4d14f">fuse_destroy</a> (struct fuse *f)</td></tr>
<tr class="separator:a0d47cac8a295efd5370d7af059e4d14f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6ea805c47ccc960497dfd64e12081159"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a6ea805c47ccc960497dfd64e12081159">fuse_loop</a> (struct fuse *f)</td></tr>
<tr class="separator:a6ea805c47ccc960497dfd64e12081159"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9024935b211288c1869dc7566895d739"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a9024935b211288c1869dc7566895d739">fuse_exit</a> (struct fuse *f)</td></tr>
<tr class="separator:a9024935b211288c1869dc7566895d739"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a79387240dad1f77417fd178f4b9ef0a0"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a79387240dad1f77417fd178f4b9ef0a0">fuse_loop_mt</a> (struct fuse *f)</td></tr>
<tr class="separator:a79387240dad1f77417fd178f4b9ef0a0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9a0f2a6603cb1e21f5e4c1aec84a3bcc"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structfuse__context.html">fuse_context</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a9a0f2a6603cb1e21f5e4c1aec84a3bcc">fuse_get_context</a> (void)</td></tr>
<tr class="separator:a9a0f2a6603cb1e21f5e4c1aec84a3bcc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a04273db088e57d8242caa388193b6958"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a04273db088e57d8242caa388193b6958">fuse_getgroups</a> (int size, gid_t list[])</td></tr>
<tr class="separator:a04273db088e57d8242caa388193b6958"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0514ca828e6a02a330dcf037292c8803"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a0514ca828e6a02a330dcf037292c8803">fuse_interrupted</a> (void)</td></tr>
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<tr class="memitem:ad37fd69ba40d5c261f16e207e4a5b0ed"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#ad37fd69ba40d5c261f16e207e4a5b0ed">fuse_stop_cleanup_thread</a> (struct fuse *fuse)</td></tr>
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<tr class="memitem:ad4b0e6955b2fd720542c6c3262fb8761"><td class="memItemLeft" align="right" valign="top">struct fuse_fs *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#ad4b0e6955b2fd720542c6c3262fb8761">fuse_fs_new</a> (const struct <a class="el" href="structfuse__operations.html">fuse_operations</a> *op, size_t op_size, void *user_data)</td></tr>
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<tr class="memitem:ad6380ea6c7cb4a4a4cf421d808ce2b66"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#ad6380ea6c7cb4a4a4cf421d808ce2b66">fuse_register_module</a> (struct <a class="el" href="structfuse__module.html">fuse_module</a> *mod)</td></tr>
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<tr class="memitem:ab6dc1548ab6f04f048927dc09882563d"><td class="memItemLeft" align="right" valign="top">struct fuse *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#ab6dc1548ab6f04f048927dc09882563d">fuse_setup</a> (int argc, char *argv[], const struct <a class="el" href="structfuse__operations.html">fuse_operations</a> *op, size_t op_size, char **mountpoint, int *multithreaded, void *user_data)</td></tr>
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<tr class="memitem:a87c736a7e6ee86348a9fdf83f6635199"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a87c736a7e6ee86348a9fdf83f6635199">fuse_teardown</a> (struct fuse *fuse, char *mountpoint)</td></tr>
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<tr class="memitem:a638b7477f87a2aca57ef0a5c4ca1d500"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a638b7477f87a2aca57ef0a5c4ca1d500">fuse_process_cmd</a> (struct fuse *f, struct fuse_cmd *cmd)</td></tr>
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<tr class="memitem:adbd6a1fa417b704972554ed983e67b85"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#adbd6a1fa417b704972554ed983e67b85">fuse_set_getcontext_func</a> (struct <a class="el" href="structfuse__context.html">fuse_context</a> *(*func)(void))</td></tr>
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<tr class="memitem:a03baa193b5bfcbe625afbc62e9b97e91"><td class="memItemLeft" align="right" valign="top">struct fuse_session *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse_8h.html#a03baa193b5bfcbe625afbc62e9b97e91">fuse_get_session</a> (struct fuse *f)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This file defines the library interface of FUSE</p>
<p>IMPORTANT: you should define FUSE_USE_VERSION before including this header. To use the newest API define it to 26 (recommended for any new application), to use the old API define it to 21 (default) 22 or 25, to use the even older 1.X API define it to 11. </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define fuse_main</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">argc, </td>
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<td class="paramkey"></td>
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<td class="paramname">argv, </td>
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<td class="paramkey"></td>
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<td class="paramname">op, </td>
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<td>)</td>
<td></td><td>&#160;&#160;&#160;<a class="el" href="fuse_8h.html#a2098b9d60626bf749801d12f2d0d6fd3">fuse_main_real</a>(argc, argv, op, sizeof(*(op)), user_data)</td>
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<p>Main function of FUSE.</p>
<p>This is for the lazy. This is all that has to be called from the main() function.</p>
<p>This function does the following:</p><ul>
<li>parses command line options (-d -s and -h)</li>
<li>passes relevant mount options to the <a class="el" href="fuse__common_8h.html#a30d394a6127b20455bf5a4899e56e759">fuse_mount()</a></li>
<li>installs signal handlers for INT, HUP, TERM and PIPE</li>
<li>registers an exit handler to unmount the filesystem on program exit</li>
<li>creates a fuse handle</li>
<li>registers the operations</li>
<li>calls either the single-threaded or the multi-threaded event loop</li>
</ul>
<p>Note: this is currently implemented as a macro.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">argc</td><td>the argument counter passed to the main() function </td></tr>
<tr><td class="paramname">argv</td><td>the argument vector passed to the main() function </td></tr>
<tr><td class="paramname">op</td><td>the file system operation </td></tr>
<tr><td class="paramname">user_data</td><td>user data supplied in the context during the init() method </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, nonzero on failure </dd></dl>
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<td class="memname">#define fuse_main&#160;&#160;&#160;fuse_main_compat2</td>
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<p>Main function of FUSE.</p>
<p>This is for the lazy. This is all that has to be called from the main() function.</p>
<p>This function does the following:</p><ul>
<li>parses command line options (-d -s and -h)</li>
<li>passes relevant mount options to the <a class="el" href="fuse__common_8h.html#a30d394a6127b20455bf5a4899e56e759">fuse_mount()</a></li>
<li>installs signal handlers for INT, HUP, TERM and PIPE</li>
<li>registers an exit handler to unmount the filesystem on program exit</li>
<li>creates a fuse handle</li>
<li>registers the operations</li>
<li>calls either the single-threaded or the multi-threaded event loop</li>
</ul>
<p>Note: this is currently implemented as a macro.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">argc</td><td>the argument counter passed to the main() function </td></tr>
<tr><td class="paramname">argv</td><td>the argument vector passed to the main() function </td></tr>
<tr><td class="paramname">op</td><td>the file system operation </td></tr>
<tr><td class="paramname">user_data</td><td>user data supplied in the context during the init() method </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, nonzero on failure </dd></dl>
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<td class="memname">#define FUSE_REGISTER_MODULE</td>
<td>(</td>
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<td class="paramname">name_, </td>
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<td class="paramname">factory_&#160;</td>
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<td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keyword">static</span> __attribute__((constructor)) void name_ <span class="preprocessor">## _register(void) \</span></div>
<div class="line"><span class="preprocessor"> { \</span></div>
<div class="line"><span class="preprocessor"> static struct fuse_module mod = \</span></div>
<div class="line"><span class="preprocessor"> { #name_, factory_, NULL, NULL, 0 }; \</span></div>
<div class="line"><span class="preprocessor"> fuse_register_module(&amp;mod); \</span></div>
<div class="line"><span class="preprocessor"> }</span></div>
</div><!-- fragment --><p>Register filesystem module</p>
<p>For the parameters, see description of the fields in 'struct <a class="el" href="structfuse__module.html">fuse_module</a>' </p>
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<h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef int(* fuse_fill_dir_t)(void *buf, const char *name, const struct stat *stbuf, off_t off)</td>
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<p>Function to add an entry in a readdir() operation</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">buf</td><td>the buffer passed to the readdir() operation </td></tr>
<tr><td class="paramname">name</td><td>the file name of the directory entry </td></tr>
<tr><td class="paramname">stat</td><td>file attributes, can be NULL </td></tr>
<tr><td class="paramname">off</td><td>offset of the next entry or zero </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 if buffer is full, zero otherwise </dd></dl>
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<td class="memname">typedef void(* fuse_processor_t)(struct fuse *, struct fuse_cmd *, void *)</td>
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<p>Function type used to process commands </p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">int fuse_clean_cache </td>
<td>(</td>
<td class="paramtype">struct fuse *&#160;</td>
<td class="paramname"><em>fuse</em></td><td>)</td>
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<p>Iterate over cache removing stale entries use in conjunction with "-oremember"</p>
<p>NOTE: This is already done for the standard sessions</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">fuse</td><td>struct fuse pointer for fuse instance </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the number of seconds until the next cleanup </dd></dl>
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<td class="memname">void fuse_destroy </td>
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<p>Destroy the FUSE handle.</p>
<p>The communication channel attached to the handle is also destroyed.</p>
<p>NOTE: This function does not unmount the filesystem. If this is needed, call <a class="el" href="fuse__common_8h.html#a1b6448c8529f9fac068a35ef7a279d4d">fuse_unmount()</a> before calling this function.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">f</td><td>the FUSE handle </td></tr>
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</dd>
</dl>
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<td class="memname">void fuse_exit </td>
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<td class="paramname"><em>f</em></td><td>)</td>
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<p>Exit from event loop</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">f</td><td>the FUSE handle </td></tr>
</table>
</dd>
</dl>
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<td class="memname">int fuse_exited </td>
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<td class="paramname"><em>f</em></td><td>)</td>
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<p>Return the exited flag, which indicates if <a class="el" href="fuse_8h.html#a9024935b211288c1869dc7566895d739">fuse_exit()</a> has been called </p>
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<td class="memname">struct fuse_fs* fuse_fs_new </td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>op_size</em>, </td>
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<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>user_data</em>&#160;</td>
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<p>Create a new fuse filesystem object</p>
<p>This is usually called from the factory of a fuse module to create a new instance of a filesystem.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">op</td><td>the filesystem operations </td></tr>
<tr><td class="paramname">op_size</td><td>the size of the <a class="el" href="structfuse__operations.html">fuse_operations</a> structure </td></tr>
<tr><td class="paramname">user_data</td><td>user data supplied in the context during the init() method </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a new filesystem object </dd></dl>
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<td class="memname">struct <a class="el" href="structfuse__context.html">fuse_context</a>* fuse_get_context </td>
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<p>Get the current context</p>
<p>The context is only valid for the duration of a filesystem operation, and thus must not be stored and used later.</p>
<dl class="section return"><dt>Returns</dt><dd>the context </dd></dl>
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<td class="memname">struct fuse_session* fuse_get_session </td>
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<td class="paramname"><em>f</em></td><td>)</td>
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<p>Get session from fuse object </p>
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<td class="memname">int fuse_getgroups </td>
<td>(</td>
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<td class="paramtype">gid_t&#160;</td>
<td class="paramname"><em>list</em>[]&#160;</td>
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<p>Get the current supplementary group IDs for the current request</p>
<p>Similar to the getgroups(2) system call, except the return value is always the total number of group IDs, even if it is larger than the specified size.</p>
<p>The current fuse kernel module in linux (as of 2.6.30) doesn't pass the group list to userspace, hence this function needs to parse "/proc/$TID/task/$TID/status" to get the group IDs.</p>
<p>This feature may not be supported on all operating systems. In such a case this function will return -ENOSYS.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">size</td><td>size of given array </td></tr>
<tr><td class="paramname">list</td><td>array of group IDs to be filled in </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the total number of supplementary group IDs or -errno on failure </dd></dl>
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<td class="memname">int fuse_interrupted </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
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</table>
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<p>Check if the current request has already been interrupted</p>
<dl class="section return"><dt>Returns</dt><dd>1 if the request has been interrupted, 0 otherwise </dd></dl>
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<td class="memname">int fuse_invalidate </td>
<td>(</td>
<td class="paramtype">struct fuse *&#160;</td>
<td class="paramname"><em>f</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>path</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p>Obsolete, doesn't do anything</p>
<dl class="section return"><dt>Returns</dt><dd>-EINVAL </dd></dl>
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<td class="memname">int fuse_loop </td>
<td>(</td>
<td class="paramtype">struct fuse *&#160;</td>
<td class="paramname"><em>f</em></td><td>)</td>
<td></td>
</tr>
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<p>FUSE event loop.</p>
<p>Requests from the kernel are processed, and the appropriate operations are called.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">f</td><td>the FUSE handle </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if no error occurred, -1 otherwise </dd></dl>
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<td class="memname">int fuse_loop_mt </td>
<td>(</td>
<td class="paramtype">struct fuse *&#160;</td>
<td class="paramname"><em>f</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>FUSE event loop with multiple threads</p>
<p>Requests from the kernel are processed, and the appropriate operations are called. Request are processed in parallel by distributing them between multiple threads.</p>
<p>Calling this function requires the pthreads library to be linked to the application.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">f</td><td>the FUSE handle </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if no error occurred, -1 otherwise </dd></dl>
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<td class="memname">int fuse_loop_mt_proc </td>
<td>(</td>
<td class="paramtype">struct fuse *&#160;</td>
<td class="paramname"><em>f</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="fuse_8h.html#ab27948e20743f4c153f6ba6d71ca7182">fuse_processor_t</a>&#160;</td>
<td class="paramname"><em>proc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>data</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Multi threaded event loop, which calls the custom command processor function </p>
</div>
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<td class="memname">int fuse_main_real </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>argc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>argv</em>[], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const struct <a class="el" href="structfuse__operations.html">fuse_operations</a> *&#160;</td>
<td class="paramname"><em>op</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>op_size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>user_data</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The real main function</p>
<p>Do not call this directly, use <a class="el" href="fuse_8h.html#a61755930843c427b79622eda0ad8f083">fuse_main()</a> </p>
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<td class="memname">struct fuse* fuse_new </td>
<td>(</td>
<td class="paramtype">struct fuse_chan *&#160;</td>
<td class="paramname"><em>ch</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="structfuse__args.html">fuse_args</a> *&#160;</td>
<td class="paramname"><em>args</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const struct <a class="el" href="structfuse__operations.html">fuse_operations</a> *&#160;</td>
<td class="paramname"><em>op</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>op_size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>user_data</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Create a new FUSE filesystem.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ch</td><td>the communication channel </td></tr>
<tr><td class="paramname">args</td><td>argument vector </td></tr>
<tr><td class="paramname">op</td><td>the filesystem operations </td></tr>
<tr><td class="paramname">op_size</td><td>the size of the <a class="el" href="structfuse__operations.html">fuse_operations</a> structure </td></tr>
<tr><td class="paramname">user_data</td><td>user data supplied in the context during the init() method </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the created FUSE handle </dd></dl>
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<td class="memname">void fuse_process_cmd </td>
<td>(</td>
<td class="paramtype">struct fuse *&#160;</td>
<td class="paramname"><em>f</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct fuse_cmd *&#160;</td>
<td class="paramname"><em>cmd</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p>Process a single command </p>
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<td class="memname">struct fuse_cmd* fuse_read_cmd </td>
<td>(</td>
<td class="paramtype">struct fuse *&#160;</td>
<td class="paramname"><em>f</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Read a single command. If none are read, return NULL </p>
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<td class="memname">void fuse_register_module </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structfuse__module.html">fuse_module</a> *&#160;</td>
<td class="paramname"><em>mod</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Register a filesystem module</p>
<p>This function is used by FUSE_REGISTER_MODULE and there's usually no need to call it directly </p>
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<td class="memname">void fuse_set_getcontext_func </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structfuse__context.html">fuse_context</a> *(*)(void)&#160;</td>
<td class="paramname"><em>func</em></td><td>)</td>
<td></td>
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</table>
</div><div class="memdoc">
<p>This function is obsolete and implemented as a no-op </p>
</div>
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<td class="memname">struct fuse* fuse_setup </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>argc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>argv</em>[], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const struct <a class="el" href="structfuse__operations.html">fuse_operations</a> *&#160;</td>
<td class="paramname"><em>op</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>op_size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char **&#160;</td>
<td class="paramname"><em>mountpoint</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>multithreaded</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>user_data</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p>This is the part of <a class="el" href="fuse_8h.html#a61755930843c427b79622eda0ad8f083">fuse_main()</a> before the event loop </p>
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<td class="memname">int fuse_start_cleanup_thread </td>
<td>(</td>
<td class="paramtype">struct fuse *&#160;</td>
<td class="paramname"><em>fuse</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Start the cleanup thread when using option "remember".</p>
<p>This is done automatically by <a class="el" href="fuse_8h.html#a79387240dad1f77417fd178f4b9ef0a0">fuse_loop_mt()</a> </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">fuse</td><td>struct fuse pointer for fuse instance </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success and -1 on error </dd></dl>
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<a class="anchor" id="ad37fd69ba40d5c261f16e207e4a5b0ed"></a>
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<td class="memname">void fuse_stop_cleanup_thread </td>
<td>(</td>
<td class="paramtype">struct fuse *&#160;</td>
<td class="paramname"><em>fuse</em></td><td>)</td>
<td></td>
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<p>Stop the cleanup thread when using option "remember".</p>
<p>This is done automatically by <a class="el" href="fuse_8h.html#a79387240dad1f77417fd178f4b9ef0a0">fuse_loop_mt()</a> </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">fuse</td><td>struct fuse pointer for fuse instance </td></tr>
</table>
</dd>
</dl>
</div>
</div>
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<td class="memname">void fuse_teardown </td>
<td>(</td>
<td class="paramtype">struct fuse *&#160;</td>
<td class="paramname"><em>fuse</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>mountpoint</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>This is the part of <a class="el" href="fuse_8h.html#a61755930843c427b79622eda0ad8f083">fuse_main()</a> after the event loop </p>
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<div class="textblock"><code>#include &quot;<a class="el" href="fuse__opt_8h.html">fuse_opt.h</a>&quot;</code><br />
<code>#include &lt;stdint.h&gt;</code><br />
<code>#include &lt;sys/types.h&gt;</code><br />
<code>#include &quot;fuse_common_compat.h&quot;</code><br />
</div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__file__info.html">fuse_file_info</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__conn__info.html">fuse_conn_info</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__buf.html">fuse_buf</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__bufvec.html">fuse_bufvec</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:a2779d57c512b7b948992858653e95f0e"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#a2779d57c512b7b948992858653e95f0e">FUSE_MAJOR_VERSION</a>&#160;&#160;&#160;2</td></tr>
<tr class="separator:a2779d57c512b7b948992858653e95f0e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8571aa4ec96e1685d31eeff07cb2f163"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#a8571aa4ec96e1685d31eeff07cb2f163">FUSE_MINOR_VERSION</a>&#160;&#160;&#160;9</td></tr>
<tr class="separator:a8571aa4ec96e1685d31eeff07cb2f163"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4e1bacbb44d6dca9a82255c8069c3d69"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#a4e1bacbb44d6dca9a82255c8069c3d69">FUSE_CAP_ASYNC_READ</a>&#160;&#160;&#160;(1 &lt;&lt; 0)</td></tr>
<tr class="separator:a4e1bacbb44d6dca9a82255c8069c3d69"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ade38f8e8c463cd40af5bfeeebfa99486"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#ade38f8e8c463cd40af5bfeeebfa99486">FUSE_IOCTL_COMPAT</a>&#160;&#160;&#160;(1 &lt;&lt; 0)</td></tr>
<tr class="separator:ade38f8e8c463cd40af5bfeeebfa99486"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:a5e36b839c4dbf0439bd85b61c7213a58"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58">fuse_buf_flags</a> { <a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58affd5b3b7e9cdd5f89b3126eea96e033b">FUSE_BUF_IS_FD</a> = (1 &lt;&lt; 1),
<a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58ad67d5c6075febad0594f06d46d02bfa9">FUSE_BUF_FD_SEEK</a> = (1 &lt;&lt; 2),
<a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58af89b4b00a2d4a06d8458b320c2cb28cf">FUSE_BUF_FD_RETRY</a> = (1 &lt;&lt; 3)
}</td></tr>
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<tr class="memitem:aec0ad71a3e8c357ebe7e87cdecbdbe18"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18">fuse_buf_copy_flags</a> { <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18adcef8052c48f314d4d9f9f05a5b4f838">FUSE_BUF_NO_SPLICE</a> = (1 &lt;&lt; 1),
<a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18a375767de945f5178e8949d284abf1f5b">FUSE_BUF_FORCE_SPLICE</a> = (1 &lt;&lt; 2),
<a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18af239e556066a5d73b3ff542216b157b9">FUSE_BUF_SPLICE_MOVE</a> = (1 &lt;&lt; 3),
<a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18a32ec833f1eb4b5cd9283cf9d93021037">FUSE_BUF_SPLICE_NONBLOCK</a> = (1 &lt;&lt; 4)
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a30d394a6127b20455bf5a4899e56e759"><td class="memItemLeft" align="right" valign="top">struct fuse_chan *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#a30d394a6127b20455bf5a4899e56e759">fuse_mount</a> (const char *mountpoint, struct <a class="el" href="structfuse__args.html">fuse_args</a> *args)</td></tr>
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<tr class="memitem:a1b6448c8529f9fac068a35ef7a279d4d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#a1b6448c8529f9fac068a35ef7a279d4d">fuse_unmount</a> (const char *mountpoint, struct fuse_chan *ch)</td></tr>
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<tr class="memitem:a971bb6dbde8b6d47dfd5c1fab8b30a1d"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#a971bb6dbde8b6d47dfd5c1fab8b30a1d">fuse_parse_cmdline</a> (struct <a class="el" href="structfuse__args.html">fuse_args</a> *args, char **mountpoint, int *multithreaded, int *foreground)</td></tr>
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<tr class="memitem:af1857d2209952f49a762aff39f3cd8bd"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#af1857d2209952f49a762aff39f3cd8bd">fuse_daemonize</a> (int foreground)</td></tr>
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<tr class="memitem:ae04b2f721003f5540c71be65396c53c8"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#ae04b2f721003f5540c71be65396c53c8">fuse_version</a> (void)</td></tr>
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<tr class="memitem:adf5027f8a38b2efc03858efd7fdc756a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#adf5027f8a38b2efc03858efd7fdc756a">fuse_pollhandle_destroy</a> (struct fuse_pollhandle *ph)</td></tr>
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<tr class="memitem:a4327f41b2fe1ca84151b407169bd86c0"><td class="memItemLeft" align="right" valign="top">size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#a4327f41b2fe1ca84151b407169bd86c0">fuse_buf_size</a> (const struct <a class="el" href="structfuse__bufvec.html">fuse_bufvec</a> *bufv)</td></tr>
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<tr class="memitem:a9ca301390fb5e85b85153abb1891a3f7"><td class="memItemLeft" align="right" valign="top">ssize_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#a9ca301390fb5e85b85153abb1891a3f7">fuse_buf_copy</a> (struct <a class="el" href="structfuse__bufvec.html">fuse_bufvec</a> *dst, struct <a class="el" href="structfuse__bufvec.html">fuse_bufvec</a> *src, enum <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18">fuse_buf_copy_flags</a> flags)</td></tr>
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<tr class="memitem:a292dccc3c7b1799cb054efa2ba0c774b"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#a292dccc3c7b1799cb054efa2ba0c774b">fuse_set_signal_handlers</a> (struct fuse_session *se)</td></tr>
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<tr class="memitem:aeb674bbc11074c4fe520b952d6bfdd30"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__common_8h.html#aeb674bbc11074c4fe520b952d6bfdd30">fuse_remove_signal_handlers</a> (struct fuse_session *se)</td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define FUSE_CAP_ASYNC_READ&#160;&#160;&#160;(1 &lt;&lt; 0)</td>
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<p>Capability bits for '<a class="el" href="structfuse__conn__info.html#a8a1c61f5d7cc14249fb6971165bb958e">fuse_conn_info.capable</a>' and '<a class="el" href="structfuse__conn__info.html#af45de81548b591f3004353a324e4e04d">fuse_conn_info.want</a>'</p>
<p>FUSE_CAP_ASYNC_READ: filesystem supports asynchronous read requests FUSE_CAP_POSIX_LOCKS: filesystem supports "remote" locking FUSE_CAP_ATOMIC_O_TRUNC: filesystem handles the O_TRUNC open flag FUSE_CAP_EXPORT_SUPPORT: filesystem handles lookups of "." and ".." FUSE_CAP_BIG_WRITES: filesystem can handle write size larger than 4kB FUSE_CAP_DONT_MASK: don't apply umask to file mode on create operations FUSE_CAP_SPLICE_WRITE: ability to use splice() to write to the fuse device FUSE_CAP_SPLICE_MOVE: ability to move data to the fuse device with splice() FUSE_CAP_SPLICE_READ: ability to use splice() to read from the fuse device FUSE_CAP_IOCTL_DIR: ioctl support on directories </p>
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<td class="memname">#define FUSE_IOCTL_COMPAT&#160;&#160;&#160;(1 &lt;&lt; 0)</td>
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<p>Ioctl flags</p>
<p>FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed FUSE_IOCTL_RETRY: retry with new iovecs FUSE_IOCTL_DIR: is a directory</p>
<p>FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs </p>
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<td class="memname">#define FUSE_MAJOR_VERSION&#160;&#160;&#160;2</td>
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<p>Major version of FUSE library interface </p>
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<td class="memname">#define FUSE_MINOR_VERSION&#160;&#160;&#160;9</td>
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<p>Minor version of FUSE library interface </p>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<td class="memname">enum <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18">fuse_buf_copy_flags</a></td>
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<p>Buffer copy flags </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="aec0ad71a3e8c357ebe7e87cdecbdbe18adcef8052c48f314d4d9f9f05a5b4f838"></a>FUSE_BUF_NO_SPLICE&#160;</td><td class="fielddoc">
<p>Don't use splice(2)</p>
<p>Always fall back to using read and write instead of splice(2) to copy data from one file descriptor to another.</p>
<p>If this flag is not set, then only fall back if splice is unavailable. </p>
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<tr><td class="fieldname"><a class="anchor" id="aec0ad71a3e8c357ebe7e87cdecbdbe18a375767de945f5178e8949d284abf1f5b"></a>FUSE_BUF_FORCE_SPLICE&#160;</td><td class="fielddoc">
<p>Force splice</p>
<p>Always use splice(2) to copy data from one file descriptor to another. If splice is not available, return -EINVAL. </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="aec0ad71a3e8c357ebe7e87cdecbdbe18af239e556066a5d73b3ff542216b157b9"></a>FUSE_BUF_SPLICE_MOVE&#160;</td><td class="fielddoc">
<p>Try to move data with splice.</p>
<p>If splice is used, try to move pages from the source to the destination instead of copying. See documentation of SPLICE_F_MOVE in splice(2) man page. </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="aec0ad71a3e8c357ebe7e87cdecbdbe18a32ec833f1eb4b5cd9283cf9d93021037"></a>FUSE_BUF_SPLICE_NONBLOCK&#160;</td><td class="fielddoc">
<p>Don't block on the pipe when copying data with splice</p>
<p>Makes the operations on the pipe non-blocking (if the pipe is full or empty). See SPLICE_F_NONBLOCK in the splice(2) man page. </p>
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<td class="memname">enum <a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58">fuse_buf_flags</a></td>
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<p>Buffer flags </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="a5e36b839c4dbf0439bd85b61c7213a58affd5b3b7e9cdd5f89b3126eea96e033b"></a>FUSE_BUF_IS_FD&#160;</td><td class="fielddoc">
<p>Buffer contains a file descriptor</p>
<p>If this flag is set, the .fd field is valid, otherwise the .mem fields is valid. </p>
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<tr><td class="fieldname"><a class="anchor" id="a5e36b839c4dbf0439bd85b61c7213a58ad67d5c6075febad0594f06d46d02bfa9"></a>FUSE_BUF_FD_SEEK&#160;</td><td class="fielddoc">
<p>Seek on the file descriptor</p>
<p>If this flag is set then the .pos field is valid and is used to seek to the given offset before performing operation on file descriptor. </p>
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<tr><td class="fieldname"><a class="anchor" id="a5e36b839c4dbf0439bd85b61c7213a58af89b4b00a2d4a06d8458b320c2cb28cf"></a>FUSE_BUF_FD_RETRY&#160;</td><td class="fielddoc">
<p>Retry operation on file descriptor</p>
<p>If this flag is set then retry operation on file descriptor until .size bytes have been copied or an error or EOF is detected. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">ssize_t fuse_buf_copy </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structfuse__bufvec.html">fuse_bufvec</a> *&#160;</td>
<td class="paramname"><em>dst</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="structfuse__bufvec.html">fuse_bufvec</a> *&#160;</td>
<td class="paramname"><em>src</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">enum <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18">fuse_buf_copy_flags</a>&#160;</td>
<td class="paramname"><em>flags</em>&#160;</td>
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<td>)</td>
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<p>Copy data from one buffer vector to another</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dst</td><td>destination buffer vector </td></tr>
<tr><td class="paramname">src</td><td>source buffer vector </td></tr>
<tr><td class="paramname">flags</td><td>flags controlling the copy </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>actual number of bytes copied or -errno on error </dd></dl>
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<td class="memname">size_t fuse_buf_size </td>
<td>(</td>
<td class="paramtype">const struct <a class="el" href="structfuse__bufvec.html">fuse_bufvec</a> *&#160;</td>
<td class="paramname"><em>bufv</em></td><td>)</td>
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<p>Get total size of data in a fuse buffer vector</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bufv</td><td>buffer vector </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>size of data </dd></dl>
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<td class="memname">int fuse_daemonize </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>foreground</em></td><td>)</td>
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<p>Go into the background</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">foreground</td><td>if true, stay in the foreground </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>0 on success, -1 on failure </dd></dl>
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<td class="memname">struct fuse_chan* fuse_mount </td>
<td>(</td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>mountpoint</em>, </td>
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<td class="paramtype">struct <a class="el" href="structfuse__args.html">fuse_args</a> *&#160;</td>
<td class="paramname"><em>args</em>&#160;</td>
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<p>Create a FUSE mountpoint</p>
<p>Returns a control file descriptor suitable for passing to <a class="el" href="fuse_8h.html#a5326844946defe4a50b3f4320786a0f4">fuse_new()</a></p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mountpoint</td><td>the mount point path </td></tr>
<tr><td class="paramname">args</td><td>argument vector </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>the communication channel on success, NULL on failure </dd></dl>
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<td class="memname">int fuse_parse_cmdline </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structfuse__args.html">fuse_args</a> *&#160;</td>
<td class="paramname"><em>args</em>, </td>
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<td class="paramtype">char **&#160;</td>
<td class="paramname"><em>mountpoint</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>multithreaded</em>, </td>
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<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>foreground</em>&#160;</td>
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<p>Parse common options</p>
<p>The following options are parsed:</p>
<p>'-f' foreground '-d' '-odebug' foreground, but keep the debug option '-s' single threaded '-h' '&ndash;help' help '-ho' help without header '-ofsname=..' file system name, if not present, then set to the program name</p>
<p>All parameters may be NULL</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">args</td><td>argument vector </td></tr>
<tr><td class="paramname">mountpoint</td><td>the returned mountpoint, should be freed after use </td></tr>
<tr><td class="paramname">multithreaded</td><td>set to 1 unless the '-s' option is present </td></tr>
<tr><td class="paramname">foreground</td><td>set to 1 if one of the relevant options is present </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>0 on success, -1 on failure </dd></dl>
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<td class="memname">void fuse_pollhandle_destroy </td>
<td>(</td>
<td class="paramtype">struct fuse_pollhandle *&#160;</td>
<td class="paramname"><em>ph</em></td><td>)</td>
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<p>Destroy poll handle</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ph</td><td>the poll handle </td></tr>
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<td class="memname">void fuse_remove_signal_handlers </td>
<td>(</td>
<td class="paramtype">struct fuse_session *&#160;</td>
<td class="paramname"><em>se</em></td><td>)</td>
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<p>Restore default signal handlers</p>
<p>Resets global session. After this <a class="el" href="fuse__common_8h.html#a292dccc3c7b1799cb054efa2ba0c774b">fuse_set_signal_handlers()</a> may be called again.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">se</td><td>the same session as given in <a class="el" href="fuse__common_8h.html#a292dccc3c7b1799cb054efa2ba0c774b">fuse_set_signal_handlers()</a> </td></tr>
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<td class="memname">int fuse_set_signal_handlers </td>
<td>(</td>
<td class="paramtype">struct fuse_session *&#160;</td>
<td class="paramname"><em>se</em></td><td>)</td>
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<p>Exit session on HUP, TERM and INT signals and ignore PIPE signal</p>
<p>Stores session in a global variable. May only be called once per process until <a class="el" href="fuse__common_8h.html#aeb674bbc11074c4fe520b952d6bfdd30">fuse_remove_signal_handlers()</a> is called.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">se</td><td>the session to exit </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, -1 on failure </dd></dl>
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</div>
<a class="anchor" id="a1b6448c8529f9fac068a35ef7a279d4d"></a>
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<td class="memname">void fuse_unmount </td>
<td>(</td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>mountpoint</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
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<tr>
<td></td>
<td>)</td>
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<p>Umount a FUSE mountpoint</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mountpoint</td><td>the mount point path </td></tr>
<tr><td class="paramname">ch</td><td>the communication channel </td></tr>
</table>
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<td class="memname">int fuse_version </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get the version of the library</p>
<dl class="section return"><dt>Returns</dt><dd>the version </dd></dl>
</div>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__opt.html">fuse_opt</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__args.html">fuse_args</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:a371d830a8aedd9e3f96d9bb31876a8f1"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#a371d830a8aedd9e3f96d9bb31876a8f1">FUSE_OPT_KEY</a>(templ, key)&#160;&#160;&#160;{ templ, -1U, key }</td></tr>
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<tr class="memitem:a9bea40fe56b18be9aa110185ab7387ed"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#a9bea40fe56b18be9aa110185ab7387ed">FUSE_ARGS_INIT</a>(argc, argv)&#160;&#160;&#160;{ argc, argv, 0 }</td></tr>
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<tr class="memitem:a48cb1aea482de904a848651360117748"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#a48cb1aea482de904a848651360117748">FUSE_OPT_KEY_OPT</a>&#160;&#160;&#160;-1</td></tr>
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<tr class="memitem:a632b025441794a4e6fe59b7ab53bbfc4"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#a632b025441794a4e6fe59b7ab53bbfc4">FUSE_OPT_KEY_NONOPT</a>&#160;&#160;&#160;-2</td></tr>
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<tr class="memitem:a8533ff341f910c1bd05f10c8fcc35a04"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#a8533ff341f910c1bd05f10c8fcc35a04">FUSE_OPT_KEY_KEEP</a>&#160;&#160;&#160;-3</td></tr>
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<tr class="memitem:a6e97b6ce492f1baaaf0a4eb4970c9a2f"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#a6e97b6ce492f1baaaf0a4eb4970c9a2f">FUSE_OPT_KEY_DISCARD</a>&#160;&#160;&#160;-4</td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:a975525ccd73368c818ef2e3e917aeb33"><td class="memItemLeft" align="right" valign="top">typedef int(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#a975525ccd73368c818ef2e3e917aeb33">fuse_opt_proc_t</a> )(void *data, const char *arg, int key, struct <a class="el" href="structfuse__args.html">fuse_args</a> *outargs)</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a539ef1f571c34f516c60c4cbe2901c0e"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#a539ef1f571c34f516c60c4cbe2901c0e">fuse_opt_parse</a> (struct <a class="el" href="structfuse__args.html">fuse_args</a> *args, void *data, const struct <a class="el" href="structfuse__opt.html">fuse_opt</a> opts[], <a class="el" href="fuse__opt_8h.html#a975525ccd73368c818ef2e3e917aeb33">fuse_opt_proc_t</a> proc)</td></tr>
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<tr class="memitem:a51a00d087d08bef250a53b9e4979b1cd"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#a51a00d087d08bef250a53b9e4979b1cd">fuse_opt_add_opt_escaped</a> (char **opts, const char *opt)</td></tr>
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<tr class="memitem:a21602e6a0fff64fc9c7b642d12382094"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#a21602e6a0fff64fc9c7b642d12382094">fuse_opt_add_arg</a> (struct <a class="el" href="structfuse__args.html">fuse_args</a> *args, const char *arg)</td></tr>
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<tr class="memitem:a2cdf272429ab3869a5162976141b287d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#a2cdf272429ab3869a5162976141b287d">fuse_opt_free_args</a> (struct <a class="el" href="structfuse__args.html">fuse_args</a> *args)</td></tr>
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<tr class="memitem:af16c684bd2b10b7ac0ae299afa1e0e06"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="fuse__opt_8h.html#af16c684bd2b10b7ac0ae299afa1e0e06">fuse_opt_match</a> (const struct <a class="el" href="structfuse__opt.html">fuse_opt</a> opts[], const char *opt)</td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This file defines the option parsing interface of FUSE </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="a9bea40fe56b18be9aa110185ab7387ed"></a>
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<td class="memname">#define FUSE_ARGS_INIT</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">argc, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">argv&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>&#160;&#160;&#160;{ argc, argv, 0 }</td>
</tr>
</table>
</div><div class="memdoc">
<p>Initializer for 'struct <a class="el" href="structfuse__args.html">fuse_args</a>' </p>
</div>
</div>
<a class="anchor" id="aca35962e17d189ceb5447f8eea11bd33"></a>
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<td class="memname">#define FUSE_OPT_END&#160;&#160;&#160;{ NULL, 0, 0 }</td>
</tr>
</table>
</div><div class="memdoc">
<p>Last option. An array of 'struct <a class="el" href="structfuse__opt.html">fuse_opt</a>' must end with a NULL template value </p>
</div>
</div>
<a class="anchor" id="a371d830a8aedd9e3f96d9bb31876a8f1"></a>
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<td class="memname">#define FUSE_OPT_KEY</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">templ, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">key&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>&#160;&#160;&#160;{ templ, -1U, key }</td>
</tr>
</table>
</div><div class="memdoc">
<p>Key option. In case of a match, the processing function will be called with the specified key. </p>
</div>
</div>
<a class="anchor" id="a6e97b6ce492f1baaaf0a4eb4970c9a2f"></a>
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<td class="memname">#define FUSE_OPT_KEY_DISCARD&#160;&#160;&#160;-4</td>
</tr>
</table>
</div><div class="memdoc">
<p>Special key value for options to discard</p>
<p>Argument is not passed to processing function, but behave as if the processing function returned zero </p>
</div>
</div>
<a class="anchor" id="a8533ff341f910c1bd05f10c8fcc35a04"></a>
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<td class="memname">#define FUSE_OPT_KEY_KEEP&#160;&#160;&#160;-3</td>
</tr>
</table>
</div><div class="memdoc">
<p>Special key value for options to keep</p>
<p>Argument is not passed to processing function, but behave as if the processing function returned 1 </p>
</div>
</div>
<a class="anchor" id="a632b025441794a4e6fe59b7ab53bbfc4"></a>
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<td class="memname">#define FUSE_OPT_KEY_NONOPT&#160;&#160;&#160;-2</td>
</tr>
</table>
</div><div class="memdoc">
<p>Key value passed to the processing function for all non-options</p>
<p>Non-options are the arguments beginning with a character other than '-' or all arguments after the special '&ndash;' option </p>
</div>
</div>
<a class="anchor" id="a48cb1aea482de904a848651360117748"></a>
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<td class="memname">#define FUSE_OPT_KEY_OPT&#160;&#160;&#160;-1</td>
</tr>
</table>
</div><div class="memdoc">
<p>Key value passed to the processing function if an option did not match any template </p>
</div>
</div>
<h2 class="groupheader">Typedef Documentation</h2>
<a class="anchor" id="a975525ccd73368c818ef2e3e917aeb33"></a>
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<td class="memname">typedef int(* fuse_opt_proc_t)(void *data, const char *arg, int key, struct <a class="el" href="structfuse__args.html">fuse_args</a> *outargs)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Processing function</p>
<p>This function is called if</p><ul>
<li>option did not match any 'struct <a class="el" href="structfuse__opt.html">fuse_opt</a>'</li>
<li>argument is a non-option</li>
<li>option did match and offset was set to -1</li>
</ul>
<p>The 'arg' parameter will always contain the whole argument or option including the parameter if exists. A two-argument option ("-x foo") is always converted to single argument option of the form "-xfoo" before this function is called.</p>
<p>Options of the form '-ofoo' are passed to this function without the '-o' prefix.</p>
<p>The return value of this function determines whether this argument is to be inserted into the output argument vector, or discarded.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">data</td><td>is the user data passed to the <a class="el" href="fuse__opt_8h.html#a539ef1f571c34f516c60c4cbe2901c0e">fuse_opt_parse()</a> function </td></tr>
<tr><td class="paramname">arg</td><td>is the whole argument or option </td></tr>
<tr><td class="paramname">key</td><td>determines why the processing function was called </td></tr>
<tr><td class="paramname">outargs</td><td>the current output argument list </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>-1 on error, 0 if arg is to be discarded, 1 if arg should be kept </dd></dl>
</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="a21602e6a0fff64fc9c7b642d12382094"></a>
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<td class="memname">int fuse_opt_add_arg </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structfuse__args.html">fuse_args</a> *&#160;</td>
<td class="paramname"><em>args</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>arg</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Add an argument to a NULL terminated argument vector</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">args</td><td>is the structure containing the current argument list </td></tr>
<tr><td class="paramname">arg</td><td>is the new argument to add </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>-1 on allocation error, 0 on success </dd></dl>
</div>
</div>
<a class="anchor" id="aaae525d5e959c5394bc323be0c1d02b0"></a>
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<td class="memname">int fuse_opt_add_opt </td>
<td>(</td>
<td class="paramtype">char **&#160;</td>
<td class="paramname"><em>opts</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>opt</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Add an option to a comma separated option list</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">opts</td><td>is a pointer to an option list, may point to a NULL value </td></tr>
<tr><td class="paramname">opt</td><td>is the option to add </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>-1 on allocation error, 0 on success </dd></dl>
</div>
</div>
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<td class="memname">int fuse_opt_add_opt_escaped </td>
<td>(</td>
<td class="paramtype">char **&#160;</td>
<td class="paramname"><em>opts</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>opt</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Add an option, escaping commas, to a comma separated option list</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">opts</td><td>is a pointer to an option list, may point to a NULL value </td></tr>
<tr><td class="paramname">opt</td><td>is the option to add </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>-1 on allocation error, 0 on success </dd></dl>
</div>
</div>
<a class="anchor" id="a2cdf272429ab3869a5162976141b287d"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void fuse_opt_free_args </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structfuse__args.html">fuse_args</a> *&#160;</td>
<td class="paramname"><em>args</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Free the contents of argument list</p>
<p>The structure itself is not freed</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">args</td><td>is the structure containing the argument list </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="adb2922444d67f58e4233d21320386bc0"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int fuse_opt_insert_arg </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structfuse__args.html">fuse_args</a> *&#160;</td>
<td class="paramname"><em>args</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>pos</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>arg</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Add an argument at the specified position in a NULL terminated argument vector</p>
<p>Adds the argument to the N-th position. This is useful for adding options at the beginning of the array which must not come after the special '&ndash;' option.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">args</td><td>is the structure containing the current argument list </td></tr>
<tr><td class="paramname">pos</td><td>is the position at which to add the argument </td></tr>
<tr><td class="paramname">arg</td><td>is the new argument to add </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>-1 on allocation error, 0 on success </dd></dl>
</div>
</div>
<a class="anchor" id="af16c684bd2b10b7ac0ae299afa1e0e06"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int fuse_opt_match </td>
<td>(</td>
<td class="paramtype">const struct <a class="el" href="structfuse__opt.html">fuse_opt</a>&#160;</td>
<td class="paramname"><em>opts</em>[], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>opt</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Check if an option matches</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">opts</td><td>is the option description array </td></tr>
<tr><td class="paramname">opt</td><td>is the option to match </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 if a match is found, 0 if not </dd></dl>
</div>
</div>
<a class="anchor" id="a539ef1f571c34f516c60c4cbe2901c0e"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int fuse_opt_parse </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structfuse__args.html">fuse_args</a> *&#160;</td>
<td class="paramname"><em>args</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const struct <a class="el" href="structfuse__opt.html">fuse_opt</a>&#160;</td>
<td class="paramname"><em>opts</em>[], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="fuse__opt_8h.html#a975525ccd73368c818ef2e3e917aeb33">fuse_opt_proc_t</a>&#160;</td>
<td class="paramname"><em>proc</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Option parsing function</p>
<p>If 'args' was returned from a previous call to <a class="el" href="fuse__opt_8h.html#a539ef1f571c34f516c60c4cbe2901c0e">fuse_opt_parse()</a> or it was constructed from</p>
<p>A NULL 'args' is equivalent to an empty argument vector</p>
<p>A NULL 'opts' is equivalent to an 'opts' array containing a single end marker</p>
<p>A NULL 'proc' is equivalent to a processing function always returning '1'</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">args</td><td>is the input and output argument list </td></tr>
<tr><td class="paramname">data</td><td>is the user data </td></tr>
<tr><td class="paramname">opts</td><td>is the option description array </td></tr>
<tr><td class="paramname">proc</td><td>is the processing function </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>-1 on error, 0 on success </dd></dl>
</div>
</div>
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<li><a href="index.html"><span>Main&#160;Page</span></a></li>
<li><a href="annotated.html"><span>Data&#160;Structures</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
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<ul class="tablist">
<li><a href="files.html"><span>File&#160;List</span></a></li>
<li class="current"><a href="globals.html"><span>Globals</span></a></li>
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<li class="current"><a href="globals.html"><span>All</span></a></li>
<li><a href="globals_func.html"><span>Functions</span></a></li>
<li><a href="globals_type.html"><span>Typedefs</span></a></li>
<li><a href="globals_enum.html"><span>Enumerations</span></a></li>
<li><a href="globals_eval.html"><span>Enumerator</span></a></li>
<li><a href="globals_defs.html"><span>Macros</span></a></li>
</ul>
</div>
<div id="navrow4" class="tabs3">
<ul class="tablist">
<li class="current"><a href="#index_f"><span>f</span></a></li>
</ul>
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<div class="contents">
<div class="textblock">Here is a list of all documented functions, variables, defines, enums, and typedefs with links to the documentation:</div>
<h3><a class="anchor" id="index_f"></a>- f -</h3><ul>
<li>fuse_add_direntry()
: <a class="el" href="fuse__lowlevel_8h.html#ad1957bcc8ece8c90f16c42c4daf3053f">fuse_lowlevel.h</a>
</li>
<li>FUSE_ARGS_INIT
: <a class="el" href="fuse__opt_8h.html#a9bea40fe56b18be9aa110185ab7387ed">fuse_opt.h</a>
</li>
<li>fuse_buf_copy()
: <a class="el" href="fuse__common_8h.html#a9ca301390fb5e85b85153abb1891a3f7">fuse_common.h</a>
</li>
<li>fuse_buf_copy_flags
: <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18">fuse_common.h</a>
</li>
<li>FUSE_BUF_FD_RETRY
: <a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58af89b4b00a2d4a06d8458b320c2cb28cf">fuse_common.h</a>
</li>
<li>FUSE_BUF_FD_SEEK
: <a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58ad67d5c6075febad0594f06d46d02bfa9">fuse_common.h</a>
</li>
<li>fuse_buf_flags
: <a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58">fuse_common.h</a>
</li>
<li>FUSE_BUF_FORCE_SPLICE
: <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18a375767de945f5178e8949d284abf1f5b">fuse_common.h</a>
</li>
<li>FUSE_BUF_IS_FD
: <a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58affd5b3b7e9cdd5f89b3126eea96e033b">fuse_common.h</a>
</li>
<li>FUSE_BUF_NO_SPLICE
: <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18adcef8052c48f314d4d9f9f05a5b4f838">fuse_common.h</a>
</li>
<li>fuse_buf_size()
: <a class="el" href="fuse__common_8h.html#a4327f41b2fe1ca84151b407169bd86c0">fuse_common.h</a>
</li>
<li>FUSE_BUF_SPLICE_MOVE
: <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18af239e556066a5d73b3ff542216b157b9">fuse_common.h</a>
</li>
<li>FUSE_BUF_SPLICE_NONBLOCK
: <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18a32ec833f1eb4b5cd9283cf9d93021037">fuse_common.h</a>
</li>
<li>FUSE_CAP_ASYNC_READ
: <a class="el" href="fuse__common_8h.html#a4e1bacbb44d6dca9a82255c8069c3d69">fuse_common.h</a>
</li>
<li>fuse_chan_bufsize()
: <a class="el" href="fuse__lowlevel_8h.html#ab2018fab0f56f1b15f6e5fd9ff63641c">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_data()
: <a class="el" href="fuse__lowlevel_8h.html#a50696378a60c9b5daea8de2fbcf1dc5d">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_destroy()
: <a class="el" href="fuse__lowlevel_8h.html#a7a88655f900be214db61844337879fa5">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_fd()
: <a class="el" href="fuse__lowlevel_8h.html#aed5405bd1725a4da8610ce1a1fe49307">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_new()
: <a class="el" href="fuse__lowlevel_8h.html#a0a9a9cd6bffbd37ee1971b3dfe183140">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_recv()
: <a class="el" href="fuse__lowlevel_8h.html#afa1748ec47595b3ab7be93ad29e55fcb">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_send()
: <a class="el" href="fuse__lowlevel_8h.html#ad53f74694d7c8605d956d48ab04b55e9">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_session()
: <a class="el" href="fuse__lowlevel_8h.html#a0d0c57c5be8fe4884c10270fcaad4710">fuse_lowlevel.h</a>
</li>
<li>fuse_clean_cache()
: <a class="el" href="fuse_8h.html#a90f104e6d4e01480161a3300bddbecbe">fuse.h</a>
</li>
<li>fuse_daemonize()
: <a class="el" href="fuse__common_8h.html#af1857d2209952f49a762aff39f3cd8bd">fuse_common.h</a>
</li>
<li>fuse_destroy()
: <a class="el" href="fuse_8h.html#a0d47cac8a295efd5370d7af059e4d14f">fuse.h</a>
</li>
<li>fuse_exit()
: <a class="el" href="fuse_8h.html#a9024935b211288c1869dc7566895d739">fuse.h</a>
</li>
<li>fuse_exited()
: <a class="el" href="fuse_8h.html#a3035da06904362a9e924d77c2e460258">fuse.h</a>
</li>
<li>fuse_fill_dir_t
: <a class="el" href="fuse_8h.html#ae2a2054f9852fd6020c26a1bcc7f1042">fuse.h</a>
</li>
<li>fuse_fs_new()
: <a class="el" href="fuse_8h.html#ad4b0e6955b2fd720542c6c3262fb8761">fuse.h</a>
</li>
<li>fuse_get_context()
: <a class="el" href="fuse_8h.html#a9a0f2a6603cb1e21f5e4c1aec84a3bcc">fuse.h</a>
</li>
<li>fuse_get_session()
: <a class="el" href="fuse_8h.html#a03baa193b5bfcbe625afbc62e9b97e91">fuse.h</a>
</li>
<li>fuse_getgroups()
: <a class="el" href="fuse_8h.html#a04273db088e57d8242caa388193b6958">fuse.h</a>
</li>
<li>fuse_ino_t
: <a class="el" href="fuse__lowlevel_8h.html#ab419149c707451eaf61b75afb852e016">fuse_lowlevel.h</a>
</li>
<li>fuse_interrupt_func_t
: <a class="el" href="fuse__lowlevel_8h.html#a5bb8b555b1d9d8a38b8c6cac28d51f1e">fuse_lowlevel.h</a>
</li>
<li>fuse_interrupted()
: <a class="el" href="fuse_8h.html#a0514ca828e6a02a330dcf037292c8803">fuse.h</a>
</li>
<li>fuse_invalidate()
: <a class="el" href="fuse_8h.html#a390d7e520ea2be2471ffa366cbc1f37d">fuse.h</a>
</li>
<li>FUSE_IOCTL_COMPAT
: <a class="el" href="fuse__common_8h.html#ade38f8e8c463cd40af5bfeeebfa99486">fuse_common.h</a>
</li>
<li>fuse_loop()
: <a class="el" href="fuse_8h.html#a6ea805c47ccc960497dfd64e12081159">fuse.h</a>
</li>
<li>fuse_loop_mt()
: <a class="el" href="fuse_8h.html#a79387240dad1f77417fd178f4b9ef0a0">fuse.h</a>
</li>
<li>fuse_loop_mt_proc()
: <a class="el" href="fuse_8h.html#aadced4bb8ad64e622a2d0b9e6738c97b">fuse.h</a>
</li>
<li>fuse_lowlevel_new()
: <a class="el" href="fuse__lowlevel_8h.html#ab71e91777def283987cd8a504e926d01">fuse_lowlevel.h</a>
</li>
<li>fuse_lowlevel_notify_delete()
: <a class="el" href="fuse__lowlevel_8h.html#a94893b3eb83fe2a218e80e43089670a1">fuse_lowlevel.h</a>
</li>
<li>fuse_lowlevel_notify_inval_entry()
: <a class="el" href="fuse__lowlevel_8h.html#ac250195a1e88bb7c1d10340558b30c8f">fuse_lowlevel.h</a>
</li>
<li>fuse_lowlevel_notify_inval_inode()
: <a class="el" href="fuse__lowlevel_8h.html#a05b0e5326257af22062d90809801b730">fuse_lowlevel.h</a>
</li>
<li>fuse_lowlevel_notify_poll()
: <a class="el" href="fuse__lowlevel_8h.html#ab078685b1f480188031fc40aa2e2fbca">fuse_lowlevel.h</a>
</li>
<li>fuse_lowlevel_notify_retrieve()
: <a class="el" href="fuse__lowlevel_8h.html#a8b2a260132708b581b00e1066b43faa8">fuse_lowlevel.h</a>
</li>
<li>fuse_lowlevel_notify_store()
: <a class="el" href="fuse__lowlevel_8h.html#a4d12f831402f7f25de8bef2d2a82f402">fuse_lowlevel.h</a>
</li>
<li>fuse_main
: <a class="el" href="fuse_8h.html#a61755930843c427b79622eda0ad8f083">fuse.h</a>
</li>
<li>fuse_main_real()
: <a class="el" href="fuse_8h.html#a2098b9d60626bf749801d12f2d0d6fd3">fuse.h</a>
</li>
<li>FUSE_MAJOR_VERSION
: <a class="el" href="fuse__common_8h.html#a2779d57c512b7b948992858653e95f0e">fuse_common.h</a>
</li>
<li>FUSE_MINOR_VERSION
: <a class="el" href="fuse__common_8h.html#a8571aa4ec96e1685d31eeff07cb2f163">fuse_common.h</a>
</li>
<li>fuse_mount()
: <a class="el" href="fuse__common_8h.html#a30d394a6127b20455bf5a4899e56e759">fuse_common.h</a>
</li>
<li>fuse_new()
: <a class="el" href="fuse_8h.html#a5326844946defe4a50b3f4320786a0f4">fuse.h</a>
</li>
<li>fuse_opt_add_arg()
: <a class="el" href="fuse__opt_8h.html#a21602e6a0fff64fc9c7b642d12382094">fuse_opt.h</a>
</li>
<li>fuse_opt_add_opt()
: <a class="el" href="fuse__opt_8h.html#aaae525d5e959c5394bc323be0c1d02b0">fuse_opt.h</a>
</li>
<li>fuse_opt_add_opt_escaped()
: <a class="el" href="fuse__opt_8h.html#a51a00d087d08bef250a53b9e4979b1cd">fuse_opt.h</a>
</li>
<li>FUSE_OPT_END
: <a class="el" href="fuse__opt_8h.html#aca35962e17d189ceb5447f8eea11bd33">fuse_opt.h</a>
</li>
<li>fuse_opt_free_args()
: <a class="el" href="fuse__opt_8h.html#a2cdf272429ab3869a5162976141b287d">fuse_opt.h</a>
</li>
<li>fuse_opt_insert_arg()
: <a class="el" href="fuse__opt_8h.html#adb2922444d67f58e4233d21320386bc0">fuse_opt.h</a>
</li>
<li>FUSE_OPT_KEY
: <a class="el" href="fuse__opt_8h.html#a371d830a8aedd9e3f96d9bb31876a8f1">fuse_opt.h</a>
</li>
<li>FUSE_OPT_KEY_DISCARD
: <a class="el" href="fuse__opt_8h.html#a6e97b6ce492f1baaaf0a4eb4970c9a2f">fuse_opt.h</a>
</li>
<li>FUSE_OPT_KEY_KEEP
: <a class="el" href="fuse__opt_8h.html#a8533ff341f910c1bd05f10c8fcc35a04">fuse_opt.h</a>
</li>
<li>FUSE_OPT_KEY_NONOPT
: <a class="el" href="fuse__opt_8h.html#a632b025441794a4e6fe59b7ab53bbfc4">fuse_opt.h</a>
</li>
<li>FUSE_OPT_KEY_OPT
: <a class="el" href="fuse__opt_8h.html#a48cb1aea482de904a848651360117748">fuse_opt.h</a>
</li>
<li>fuse_opt_match()
: <a class="el" href="fuse__opt_8h.html#af16c684bd2b10b7ac0ae299afa1e0e06">fuse_opt.h</a>
</li>
<li>fuse_opt_parse()
: <a class="el" href="fuse__opt_8h.html#a539ef1f571c34f516c60c4cbe2901c0e">fuse_opt.h</a>
</li>
<li>fuse_opt_proc_t
: <a class="el" href="fuse__opt_8h.html#a975525ccd73368c818ef2e3e917aeb33">fuse_opt.h</a>
</li>
<li>fuse_parse_cmdline()
: <a class="el" href="fuse__common_8h.html#a971bb6dbde8b6d47dfd5c1fab8b30a1d">fuse_common.h</a>
</li>
<li>fuse_pollhandle_destroy()
: <a class="el" href="fuse__common_8h.html#adf5027f8a38b2efc03858efd7fdc756a">fuse_common.h</a>
</li>
<li>fuse_process_cmd()
: <a class="el" href="fuse_8h.html#a638b7477f87a2aca57ef0a5c4ca1d500">fuse.h</a>
</li>
<li>fuse_processor_t
: <a class="el" href="fuse_8h.html#ab27948e20743f4c153f6ba6d71ca7182">fuse.h</a>
</li>
<li>fuse_read_cmd()
: <a class="el" href="fuse_8h.html#aa5aaa31ed710ea1afe9467f10d523b21">fuse.h</a>
</li>
<li>fuse_register_module()
: <a class="el" href="fuse_8h.html#ad6380ea6c7cb4a4a4cf421d808ce2b66">fuse.h</a>
</li>
<li>FUSE_REGISTER_MODULE
: <a class="el" href="fuse_8h.html#af335784cf29289c7583f3312d98d2bcd">fuse.h</a>
</li>
<li>fuse_remove_signal_handlers()
: <a class="el" href="fuse__common_8h.html#aeb674bbc11074c4fe520b952d6bfdd30">fuse_common.h</a>
</li>
<li>fuse_reply_attr()
: <a class="el" href="fuse__lowlevel_8h.html#ad28378dc569019c32acdb4995d70be18">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_bmap()
: <a class="el" href="fuse__lowlevel_8h.html#a65431e8196e0533257acad767f7b074f">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_buf()
: <a class="el" href="fuse__lowlevel_8h.html#a300a88b63ab7c8ca92853a97486448c0">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_create()
: <a class="el" href="fuse__lowlevel_8h.html#abea78d22349198f8370d7cb91fbf05ed">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_data()
: <a class="el" href="fuse__lowlevel_8h.html#a1242694fe0fb6e253a88b57795987302">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_entry()
: <a class="el" href="fuse__lowlevel_8h.html#a672c45e126cd240f4bcd59bf9b7e3708">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_err()
: <a class="el" href="fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_ioctl()
: <a class="el" href="fuse__lowlevel_8h.html#adf7f34f470c04f276b7091ad3b3dcb31">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_ioctl_iov()
: <a class="el" href="fuse__lowlevel_8h.html#a37381eb84c39e5fe3af9f3ef507aeeb7">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_ioctl_retry()
: <a class="el" href="fuse__lowlevel_8h.html#a940683d07df12c24f56b4363aed90e4d">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_iov()
: <a class="el" href="fuse__lowlevel_8h.html#a5fbbf591a55f09c02cd54d34bdbfe0e9">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_lock()
: <a class="el" href="fuse__lowlevel_8h.html#a135eda9b7d36fb4eaae2de58526d4f85">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_none()
: <a class="el" href="fuse__lowlevel_8h.html#a85ae91390a6704dc26f8d80fed7d5678">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_open()
: <a class="el" href="fuse__lowlevel_8h.html#a170f8c6b953d70928e83bcecee43bfdc">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_poll()
: <a class="el" href="fuse__lowlevel_8h.html#a2172d260d34c76c25cd601870aee4220">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_readlink()
: <a class="el" href="fuse__lowlevel_8h.html#a5a5872d7f73f0bd593e00788a4c7bbb7">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_statfs()
: <a class="el" href="fuse__lowlevel_8h.html#aa1d95ec3ca674253baac3639ea10f0ff">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_write()
: <a class="el" href="fuse__lowlevel_8h.html#aa3cfa73f61d6ef461ab5a3fbf859eb97">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_xattr()
: <a class="el" href="fuse__lowlevel_8h.html#afed32e5d3e1f54d390103f79ebb8bd42">fuse_lowlevel.h</a>
</li>
<li>fuse_req_ctx()
: <a class="el" href="fuse__lowlevel_8h.html#ad1d1963190eb93ae5667d32d2b387ca1">fuse_lowlevel.h</a>
</li>
<li>fuse_req_getgroups()
: <a class="el" href="fuse__lowlevel_8h.html#a57f4dabcf044aafcdba6c4682b3a1869">fuse_lowlevel.h</a>
</li>
<li>fuse_req_interrupt_func()
: <a class="el" href="fuse__lowlevel_8h.html#ab3cdb9744f033e37a72984489343940f">fuse_lowlevel.h</a>
</li>
<li>fuse_req_interrupted()
: <a class="el" href="fuse__lowlevel_8h.html#a52674fc627647f33e63c74267f0f1f9d">fuse_lowlevel.h</a>
</li>
<li>fuse_req_t
: <a class="el" href="fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_lowlevel.h</a>
</li>
<li>fuse_req_userdata()
: <a class="el" href="fuse__lowlevel_8h.html#aab00273c65d124e44abcf2374f9c504b">fuse_lowlevel.h</a>
</li>
<li>FUSE_ROOT_ID
: <a class="el" href="fuse__lowlevel_8h.html#a14d7299559cf05272b838cfc6388ef91">fuse_lowlevel.h</a>
</li>
<li>fuse_session_add_chan()
: <a class="el" href="fuse__lowlevel_8h.html#adcc40a021ee1a21752e3c622f3d3692d">fuse_lowlevel.h</a>
</li>
<li>fuse_session_data()
: <a class="el" href="fuse__lowlevel_8h.html#ac58f69b8c0f7e9fbd45280fb1d68d9f5">fuse_lowlevel.h</a>
</li>
<li>fuse_session_destroy()
: <a class="el" href="fuse__lowlevel_8h.html#a08b5503c4e9656f9c4bc88331233cc65">fuse_lowlevel.h</a>
</li>
<li>fuse_session_exit()
: <a class="el" href="fuse__lowlevel_8h.html#a198429f3fbc23ef29ef9971271827690">fuse_lowlevel.h</a>
</li>
<li>fuse_session_exited()
: <a class="el" href="fuse__lowlevel_8h.html#a41b12193fa1520ff658d65679f4e513c">fuse_lowlevel.h</a>
</li>
<li>fuse_session_loop()
: <a class="el" href="fuse__lowlevel_8h.html#a5f1e538aa3287e251afbe985438c4249">fuse_lowlevel.h</a>
</li>
<li>fuse_session_loop_mt()
: <a class="el" href="fuse__lowlevel_8h.html#afeffdee79e361c96b10ce798c56ed2cc">fuse_lowlevel.h</a>
</li>
<li>fuse_session_new()
: <a class="el" href="fuse__lowlevel_8h.html#a28b7d09c6e87e3e375743c2ef6e06f0f">fuse_lowlevel.h</a>
</li>
<li>fuse_session_next_chan()
: <a class="el" href="fuse__lowlevel_8h.html#a8a6664baeee7a580928f959fd4968d5c">fuse_lowlevel.h</a>
</li>
<li>fuse_session_process()
: <a class="el" href="fuse__lowlevel_8h.html#a210cb96700171ccbb5fe84a42b4613d8">fuse_lowlevel.h</a>
</li>
<li>fuse_session_process_buf()
: <a class="el" href="fuse__lowlevel_8h.html#a58da9b49939ed7e60c906d99bbf7b21a">fuse_lowlevel.h</a>
</li>
<li>fuse_session_receive_buf()
: <a class="el" href="fuse__lowlevel_8h.html#a7f7f424f58729d08af8ab7be91d93478">fuse_lowlevel.h</a>
</li>
<li>fuse_session_remove_chan()
: <a class="el" href="fuse__lowlevel_8h.html#a93cb94614503b2249d15629c447dddb9">fuse_lowlevel.h</a>
</li>
<li>fuse_session_reset()
: <a class="el" href="fuse__lowlevel_8h.html#ab3d015de77ae0edeb3157321e7a5c434">fuse_lowlevel.h</a>
</li>
<li>fuse_set_getcontext_func()
: <a class="el" href="fuse_8h.html#adbd6a1fa417b704972554ed983e67b85">fuse.h</a>
</li>
<li>fuse_set_signal_handlers()
: <a class="el" href="fuse__common_8h.html#a292dccc3c7b1799cb054efa2ba0c774b">fuse_common.h</a>
</li>
<li>fuse_setup()
: <a class="el" href="fuse_8h.html#ab6dc1548ab6f04f048927dc09882563d">fuse.h</a>
</li>
<li>fuse_start_cleanup_thread()
: <a class="el" href="fuse_8h.html#a4b2246caec521ec4ac84093f8c4b616d">fuse.h</a>
</li>
<li>fuse_stop_cleanup_thread()
: <a class="el" href="fuse_8h.html#ad37fd69ba40d5c261f16e207e4a5b0ed">fuse.h</a>
</li>
<li>fuse_teardown()
: <a class="el" href="fuse_8h.html#a87c736a7e6ee86348a9fdf83f6635199">fuse.h</a>
</li>
<li>fuse_unmount()
: <a class="el" href="fuse__common_8h.html#a1b6448c8529f9fac068a35ef7a279d4d">fuse_common.h</a>
</li>
<li>fuse_version()
: <a class="el" href="fuse__common_8h.html#ae04b2f721003f5540c71be65396c53c8">fuse_common.h</a>
</li>
</ul>
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Sat Apr 23 2016 09:43:20 for fuse by &#160;<a href="http://www.doxygen.org/index.html">
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</a> 1.8.8
</small></address>
</body>
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106
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<li class="current"><a href="files.html"><span>Files</span></a></li>
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<div id="navrow2" class="tabs2">
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<div class="contents">
&#160;<ul>
<li>FUSE_ARGS_INIT
: <a class="el" href="fuse__opt_8h.html#a9bea40fe56b18be9aa110185ab7387ed">fuse_opt.h</a>
</li>
<li>FUSE_CAP_ASYNC_READ
: <a class="el" href="fuse__common_8h.html#a4e1bacbb44d6dca9a82255c8069c3d69">fuse_common.h</a>
</li>
<li>FUSE_IOCTL_COMPAT
: <a class="el" href="fuse__common_8h.html#ade38f8e8c463cd40af5bfeeebfa99486">fuse_common.h</a>
</li>
<li>fuse_main
: <a class="el" href="fuse_8h.html#a61755930843c427b79622eda0ad8f083">fuse.h</a>
</li>
<li>FUSE_MAJOR_VERSION
: <a class="el" href="fuse__common_8h.html#a2779d57c512b7b948992858653e95f0e">fuse_common.h</a>
</li>
<li>FUSE_MINOR_VERSION
: <a class="el" href="fuse__common_8h.html#a8571aa4ec96e1685d31eeff07cb2f163">fuse_common.h</a>
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<li>FUSE_OPT_END
: <a class="el" href="fuse__opt_8h.html#aca35962e17d189ceb5447f8eea11bd33">fuse_opt.h</a>
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<li>FUSE_OPT_KEY
: <a class="el" href="fuse__opt_8h.html#a371d830a8aedd9e3f96d9bb31876a8f1">fuse_opt.h</a>
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<li>FUSE_OPT_KEY_DISCARD
: <a class="el" href="fuse__opt_8h.html#a6e97b6ce492f1baaaf0a4eb4970c9a2f">fuse_opt.h</a>
</li>
<li>FUSE_OPT_KEY_KEEP
: <a class="el" href="fuse__opt_8h.html#a8533ff341f910c1bd05f10c8fcc35a04">fuse_opt.h</a>
</li>
<li>FUSE_OPT_KEY_NONOPT
: <a class="el" href="fuse__opt_8h.html#a632b025441794a4e6fe59b7ab53bbfc4">fuse_opt.h</a>
</li>
<li>FUSE_OPT_KEY_OPT
: <a class="el" href="fuse__opt_8h.html#a48cb1aea482de904a848651360117748">fuse_opt.h</a>
</li>
<li>FUSE_REGISTER_MODULE
: <a class="el" href="fuse_8h.html#af335784cf29289c7583f3312d98d2bcd">fuse.h</a>
</li>
<li>FUSE_ROOT_ID
: <a class="el" href="fuse__lowlevel_8h.html#a14d7299559cf05272b838cfc6388ef91">fuse_lowlevel.h</a>
</li>
</ul>
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Generated on Sat Apr 23 2016 09:43:20 for fuse by &#160;<a href="http://www.doxygen.org/index.html">
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</a> 1.8.8
</small></address>
</body>
</html>

70
libfuse/doc/html/globals_enum.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
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<div id="navrow1" class="tabs">
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<li class="current"><a href="files.html"><span>Files</span></a></li>
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<li><a href="globals.html"><span>All</span></a></li>
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<li><a href="globals_type.html"><span>Typedefs</span></a></li>
<li class="current"><a href="globals_enum.html"><span>Enumerations</span></a></li>
<li><a href="globals_eval.html"><span>Enumerator</span></a></li>
<li><a href="globals_defs.html"><span>Macros</span></a></li>
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<div class="contents">
&#160;<ul>
<li>fuse_buf_copy_flags
: <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18">fuse_common.h</a>
</li>
<li>fuse_buf_flags
: <a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58">fuse_common.h</a>
</li>
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</a> 1.8.8
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85
libfuse/doc/html/globals_eval.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<tbody>
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<div id="projectname">fuse
</div>
</td>
</tr>
</tbody>
</table>
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<!-- end header part -->
<!-- Generated by Doxygen 1.8.8 -->
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</ul>
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<ul class="tablist">
<li><a href="files.html"><span>File&#160;List</span></a></li>
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</ul>
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<div id="navrow3" class="tabs2">
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<li><a href="globals.html"><span>All</span></a></li>
<li><a href="globals_func.html"><span>Functions</span></a></li>
<li><a href="globals_type.html"><span>Typedefs</span></a></li>
<li><a href="globals_enum.html"><span>Enumerations</span></a></li>
<li class="current"><a href="globals_eval.html"><span>Enumerator</span></a></li>
<li><a href="globals_defs.html"><span>Macros</span></a></li>
</ul>
</div>
</div><!-- top -->
<div class="contents">
&#160;<ul>
<li>FUSE_BUF_FD_RETRY
: <a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58af89b4b00a2d4a06d8458b320c2cb28cf">fuse_common.h</a>
</li>
<li>FUSE_BUF_FD_SEEK
: <a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58ad67d5c6075febad0594f06d46d02bfa9">fuse_common.h</a>
</li>
<li>FUSE_BUF_FORCE_SPLICE
: <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18a375767de945f5178e8949d284abf1f5b">fuse_common.h</a>
</li>
<li>FUSE_BUF_IS_FD
: <a class="el" href="fuse__common_8h.html#a5e36b839c4dbf0439bd85b61c7213a58affd5b3b7e9cdd5f89b3126eea96e033b">fuse_common.h</a>
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<li>FUSE_BUF_NO_SPLICE
: <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18adcef8052c48f314d4d9f9f05a5b4f838">fuse_common.h</a>
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<li>FUSE_BUF_SPLICE_MOVE
: <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18af239e556066a5d73b3ff542216b157b9">fuse_common.h</a>
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: <a class="el" href="fuse__common_8h.html#aec0ad71a3e8c357ebe7e87cdecbdbe18a32ec833f1eb4b5cd9283cf9d93021037">fuse_common.h</a>
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&#160;
<h3><a class="anchor" id="index_f"></a>- f -</h3><ul>
<li>fuse_add_direntry()
: <a class="el" href="fuse__lowlevel_8h.html#ad1957bcc8ece8c90f16c42c4daf3053f">fuse_lowlevel.h</a>
</li>
<li>fuse_buf_copy()
: <a class="el" href="fuse__common_8h.html#a9ca301390fb5e85b85153abb1891a3f7">fuse_common.h</a>
</li>
<li>fuse_buf_size()
: <a class="el" href="fuse__common_8h.html#a4327f41b2fe1ca84151b407169bd86c0">fuse_common.h</a>
</li>
<li>fuse_chan_bufsize()
: <a class="el" href="fuse__lowlevel_8h.html#ab2018fab0f56f1b15f6e5fd9ff63641c">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_data()
: <a class="el" href="fuse__lowlevel_8h.html#a50696378a60c9b5daea8de2fbcf1dc5d">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_destroy()
: <a class="el" href="fuse__lowlevel_8h.html#a7a88655f900be214db61844337879fa5">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_fd()
: <a class="el" href="fuse__lowlevel_8h.html#aed5405bd1725a4da8610ce1a1fe49307">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_new()
: <a class="el" href="fuse__lowlevel_8h.html#a0a9a9cd6bffbd37ee1971b3dfe183140">fuse_lowlevel.h</a>
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<li>fuse_chan_recv()
: <a class="el" href="fuse__lowlevel_8h.html#afa1748ec47595b3ab7be93ad29e55fcb">fuse_lowlevel.h</a>
</li>
<li>fuse_chan_send()
: <a class="el" href="fuse__lowlevel_8h.html#ad53f74694d7c8605d956d48ab04b55e9">fuse_lowlevel.h</a>
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<li>fuse_chan_session()
: <a class="el" href="fuse__lowlevel_8h.html#a0d0c57c5be8fe4884c10270fcaad4710">fuse_lowlevel.h</a>
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<li>fuse_clean_cache()
: <a class="el" href="fuse_8h.html#a90f104e6d4e01480161a3300bddbecbe">fuse.h</a>
</li>
<li>fuse_daemonize()
: <a class="el" href="fuse__common_8h.html#af1857d2209952f49a762aff39f3cd8bd">fuse_common.h</a>
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<li>fuse_destroy()
: <a class="el" href="fuse_8h.html#a0d47cac8a295efd5370d7af059e4d14f">fuse.h</a>
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<li>fuse_exit()
: <a class="el" href="fuse_8h.html#a9024935b211288c1869dc7566895d739">fuse.h</a>
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<li>fuse_exited()
: <a class="el" href="fuse_8h.html#a3035da06904362a9e924d77c2e460258">fuse.h</a>
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: <a class="el" href="fuse_8h.html#ad4b0e6955b2fd720542c6c3262fb8761">fuse.h</a>
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: <a class="el" href="fuse_8h.html#a9a0f2a6603cb1e21f5e4c1aec84a3bcc">fuse.h</a>
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<li>fuse_get_session()
: <a class="el" href="fuse_8h.html#a03baa193b5bfcbe625afbc62e9b97e91">fuse.h</a>
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<li>fuse_getgroups()
: <a class="el" href="fuse_8h.html#a04273db088e57d8242caa388193b6958">fuse.h</a>
</li>
<li>fuse_interrupted()
: <a class="el" href="fuse_8h.html#a0514ca828e6a02a330dcf037292c8803">fuse.h</a>
</li>
<li>fuse_invalidate()
: <a class="el" href="fuse_8h.html#a390d7e520ea2be2471ffa366cbc1f37d">fuse.h</a>
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<li>fuse_loop()
: <a class="el" href="fuse_8h.html#a6ea805c47ccc960497dfd64e12081159">fuse.h</a>
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: <a class="el" href="fuse_8h.html#a79387240dad1f77417fd178f4b9ef0a0">fuse.h</a>
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<li>fuse_loop_mt_proc()
: <a class="el" href="fuse_8h.html#aadced4bb8ad64e622a2d0b9e6738c97b">fuse.h</a>
</li>
<li>fuse_lowlevel_new()
: <a class="el" href="fuse__lowlevel_8h.html#ab71e91777def283987cd8a504e926d01">fuse_lowlevel.h</a>
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<li>fuse_lowlevel_notify_delete()
: <a class="el" href="fuse__lowlevel_8h.html#a94893b3eb83fe2a218e80e43089670a1">fuse_lowlevel.h</a>
</li>
<li>fuse_lowlevel_notify_inval_entry()
: <a class="el" href="fuse__lowlevel_8h.html#ac250195a1e88bb7c1d10340558b30c8f">fuse_lowlevel.h</a>
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<li>fuse_lowlevel_notify_inval_inode()
: <a class="el" href="fuse__lowlevel_8h.html#a05b0e5326257af22062d90809801b730">fuse_lowlevel.h</a>
</li>
<li>fuse_lowlevel_notify_poll()
: <a class="el" href="fuse__lowlevel_8h.html#ab078685b1f480188031fc40aa2e2fbca">fuse_lowlevel.h</a>
</li>
<li>fuse_lowlevel_notify_retrieve()
: <a class="el" href="fuse__lowlevel_8h.html#a8b2a260132708b581b00e1066b43faa8">fuse_lowlevel.h</a>
</li>
<li>fuse_lowlevel_notify_store()
: <a class="el" href="fuse__lowlevel_8h.html#a4d12f831402f7f25de8bef2d2a82f402">fuse_lowlevel.h</a>
</li>
<li>fuse_main_real()
: <a class="el" href="fuse_8h.html#a2098b9d60626bf749801d12f2d0d6fd3">fuse.h</a>
</li>
<li>fuse_mount()
: <a class="el" href="fuse__common_8h.html#a30d394a6127b20455bf5a4899e56e759">fuse_common.h</a>
</li>
<li>fuse_new()
: <a class="el" href="fuse_8h.html#a5326844946defe4a50b3f4320786a0f4">fuse.h</a>
</li>
<li>fuse_opt_add_arg()
: <a class="el" href="fuse__opt_8h.html#a21602e6a0fff64fc9c7b642d12382094">fuse_opt.h</a>
</li>
<li>fuse_opt_add_opt()
: <a class="el" href="fuse__opt_8h.html#aaae525d5e959c5394bc323be0c1d02b0">fuse_opt.h</a>
</li>
<li>fuse_opt_add_opt_escaped()
: <a class="el" href="fuse__opt_8h.html#a51a00d087d08bef250a53b9e4979b1cd">fuse_opt.h</a>
</li>
<li>fuse_opt_free_args()
: <a class="el" href="fuse__opt_8h.html#a2cdf272429ab3869a5162976141b287d">fuse_opt.h</a>
</li>
<li>fuse_opt_insert_arg()
: <a class="el" href="fuse__opt_8h.html#adb2922444d67f58e4233d21320386bc0">fuse_opt.h</a>
</li>
<li>fuse_opt_match()
: <a class="el" href="fuse__opt_8h.html#af16c684bd2b10b7ac0ae299afa1e0e06">fuse_opt.h</a>
</li>
<li>fuse_opt_parse()
: <a class="el" href="fuse__opt_8h.html#a539ef1f571c34f516c60c4cbe2901c0e">fuse_opt.h</a>
</li>
<li>fuse_parse_cmdline()
: <a class="el" href="fuse__common_8h.html#a971bb6dbde8b6d47dfd5c1fab8b30a1d">fuse_common.h</a>
</li>
<li>fuse_pollhandle_destroy()
: <a class="el" href="fuse__common_8h.html#adf5027f8a38b2efc03858efd7fdc756a">fuse_common.h</a>
</li>
<li>fuse_process_cmd()
: <a class="el" href="fuse_8h.html#a638b7477f87a2aca57ef0a5c4ca1d500">fuse.h</a>
</li>
<li>fuse_read_cmd()
: <a class="el" href="fuse_8h.html#aa5aaa31ed710ea1afe9467f10d523b21">fuse.h</a>
</li>
<li>fuse_register_module()
: <a class="el" href="fuse_8h.html#ad6380ea6c7cb4a4a4cf421d808ce2b66">fuse.h</a>
</li>
<li>fuse_remove_signal_handlers()
: <a class="el" href="fuse__common_8h.html#aeb674bbc11074c4fe520b952d6bfdd30">fuse_common.h</a>
</li>
<li>fuse_reply_attr()
: <a class="el" href="fuse__lowlevel_8h.html#ad28378dc569019c32acdb4995d70be18">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_bmap()
: <a class="el" href="fuse__lowlevel_8h.html#a65431e8196e0533257acad767f7b074f">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_buf()
: <a class="el" href="fuse__lowlevel_8h.html#a300a88b63ab7c8ca92853a97486448c0">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_create()
: <a class="el" href="fuse__lowlevel_8h.html#abea78d22349198f8370d7cb91fbf05ed">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_data()
: <a class="el" href="fuse__lowlevel_8h.html#a1242694fe0fb6e253a88b57795987302">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_entry()
: <a class="el" href="fuse__lowlevel_8h.html#a672c45e126cd240f4bcd59bf9b7e3708">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_err()
: <a class="el" href="fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_ioctl()
: <a class="el" href="fuse__lowlevel_8h.html#adf7f34f470c04f276b7091ad3b3dcb31">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_ioctl_iov()
: <a class="el" href="fuse__lowlevel_8h.html#a37381eb84c39e5fe3af9f3ef507aeeb7">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_ioctl_retry()
: <a class="el" href="fuse__lowlevel_8h.html#a940683d07df12c24f56b4363aed90e4d">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_iov()
: <a class="el" href="fuse__lowlevel_8h.html#a5fbbf591a55f09c02cd54d34bdbfe0e9">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_lock()
: <a class="el" href="fuse__lowlevel_8h.html#a135eda9b7d36fb4eaae2de58526d4f85">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_none()
: <a class="el" href="fuse__lowlevel_8h.html#a85ae91390a6704dc26f8d80fed7d5678">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_open()
: <a class="el" href="fuse__lowlevel_8h.html#a170f8c6b953d70928e83bcecee43bfdc">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_poll()
: <a class="el" href="fuse__lowlevel_8h.html#a2172d260d34c76c25cd601870aee4220">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_readlink()
: <a class="el" href="fuse__lowlevel_8h.html#a5a5872d7f73f0bd593e00788a4c7bbb7">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_statfs()
: <a class="el" href="fuse__lowlevel_8h.html#aa1d95ec3ca674253baac3639ea10f0ff">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_write()
: <a class="el" href="fuse__lowlevel_8h.html#aa3cfa73f61d6ef461ab5a3fbf859eb97">fuse_lowlevel.h</a>
</li>
<li>fuse_reply_xattr()
: <a class="el" href="fuse__lowlevel_8h.html#afed32e5d3e1f54d390103f79ebb8bd42">fuse_lowlevel.h</a>
</li>
<li>fuse_req_ctx()
: <a class="el" href="fuse__lowlevel_8h.html#ad1d1963190eb93ae5667d32d2b387ca1">fuse_lowlevel.h</a>
</li>
<li>fuse_req_getgroups()
: <a class="el" href="fuse__lowlevel_8h.html#a57f4dabcf044aafcdba6c4682b3a1869">fuse_lowlevel.h</a>
</li>
<li>fuse_req_interrupt_func()
: <a class="el" href="fuse__lowlevel_8h.html#ab3cdb9744f033e37a72984489343940f">fuse_lowlevel.h</a>
</li>
<li>fuse_req_interrupted()
: <a class="el" href="fuse__lowlevel_8h.html#a52674fc627647f33e63c74267f0f1f9d">fuse_lowlevel.h</a>
</li>
<li>fuse_req_userdata()
: <a class="el" href="fuse__lowlevel_8h.html#aab00273c65d124e44abcf2374f9c504b">fuse_lowlevel.h</a>
</li>
<li>fuse_session_add_chan()
: <a class="el" href="fuse__lowlevel_8h.html#adcc40a021ee1a21752e3c622f3d3692d">fuse_lowlevel.h</a>
</li>
<li>fuse_session_data()
: <a class="el" href="fuse__lowlevel_8h.html#ac58f69b8c0f7e9fbd45280fb1d68d9f5">fuse_lowlevel.h</a>
</li>
<li>fuse_session_destroy()
: <a class="el" href="fuse__lowlevel_8h.html#a08b5503c4e9656f9c4bc88331233cc65">fuse_lowlevel.h</a>
</li>
<li>fuse_session_exit()
: <a class="el" href="fuse__lowlevel_8h.html#a198429f3fbc23ef29ef9971271827690">fuse_lowlevel.h</a>
</li>
<li>fuse_session_exited()
: <a class="el" href="fuse__lowlevel_8h.html#a41b12193fa1520ff658d65679f4e513c">fuse_lowlevel.h</a>
</li>
<li>fuse_session_loop()
: <a class="el" href="fuse__lowlevel_8h.html#a5f1e538aa3287e251afbe985438c4249">fuse_lowlevel.h</a>
</li>
<li>fuse_session_loop_mt()
: <a class="el" href="fuse__lowlevel_8h.html#afeffdee79e361c96b10ce798c56ed2cc">fuse_lowlevel.h</a>
</li>
<li>fuse_session_new()
: <a class="el" href="fuse__lowlevel_8h.html#a28b7d09c6e87e3e375743c2ef6e06f0f">fuse_lowlevel.h</a>
</li>
<li>fuse_session_next_chan()
: <a class="el" href="fuse__lowlevel_8h.html#a8a6664baeee7a580928f959fd4968d5c">fuse_lowlevel.h</a>
</li>
<li>fuse_session_process()
: <a class="el" href="fuse__lowlevel_8h.html#a210cb96700171ccbb5fe84a42b4613d8">fuse_lowlevel.h</a>
</li>
<li>fuse_session_process_buf()
: <a class="el" href="fuse__lowlevel_8h.html#a58da9b49939ed7e60c906d99bbf7b21a">fuse_lowlevel.h</a>
</li>
<li>fuse_session_receive_buf()
: <a class="el" href="fuse__lowlevel_8h.html#a7f7f424f58729d08af8ab7be91d93478">fuse_lowlevel.h</a>
</li>
<li>fuse_session_remove_chan()
: <a class="el" href="fuse__lowlevel_8h.html#a93cb94614503b2249d15629c447dddb9">fuse_lowlevel.h</a>
</li>
<li>fuse_session_reset()
: <a class="el" href="fuse__lowlevel_8h.html#ab3d015de77ae0edeb3157321e7a5c434">fuse_lowlevel.h</a>
</li>
<li>fuse_set_getcontext_func()
: <a class="el" href="fuse_8h.html#adbd6a1fa417b704972554ed983e67b85">fuse.h</a>
</li>
<li>fuse_set_signal_handlers()
: <a class="el" href="fuse__common_8h.html#a292dccc3c7b1799cb054efa2ba0c774b">fuse_common.h</a>
</li>
<li>fuse_setup()
: <a class="el" href="fuse_8h.html#ab6dc1548ab6f04f048927dc09882563d">fuse.h</a>
</li>
<li>fuse_start_cleanup_thread()
: <a class="el" href="fuse_8h.html#a4b2246caec521ec4ac84093f8c4b616d">fuse.h</a>
</li>
<li>fuse_stop_cleanup_thread()
: <a class="el" href="fuse_8h.html#ad37fd69ba40d5c261f16e207e4a5b0ed">fuse.h</a>
</li>
<li>fuse_teardown()
: <a class="el" href="fuse_8h.html#a87c736a7e6ee86348a9fdf83f6635199">fuse.h</a>
</li>
<li>fuse_unmount()
: <a class="el" href="fuse__common_8h.html#a1b6448c8529f9fac068a35ef7a279d4d">fuse_common.h</a>
</li>
<li>fuse_version()
: <a class="el" href="fuse__common_8h.html#ae04b2f721003f5540c71be65396c53c8">fuse_common.h</a>
</li>
</ul>
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<p>Argument vector. NULL terminated </p>
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<div class="textblock"><p>Single data buffer</p>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Data buffer vector</p>
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<p>Array of buffers </p>
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<p>Number of buffers in the array </p>
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<p>Index of current buffer within the array </p>
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<p>Current offset within the current buffer </p>
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<p><code>#include &lt;fuse_lowlevel.h&gt;</code></p>
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Data Fields</h2></td></tr>
<tr class="memitem:a622c80d319253941c6f71963261bff39"><td class="memItemLeft" align="right" valign="top">int(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__chan__ops.html#a622c80d319253941c6f71963261bff39">receive</a> )(struct fuse_chan **chp, char *buf, size_t size)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Channel operations</p>
<p>This is used in channel creation </p>
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<p>Destroy the channel</p>
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<p>Hook for receiving a raw request</p>
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<p>Hook for sending a raw reply</p>
<p>A return value of -ENOENT means, that the request was interrupted, and the reply was discarded</p>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Connection information, passed to the -&gt;init() method</p>
<p>Some of the elements are read-write, these can be changed to indicate the value requested by the filesystem. The requested value must usually be smaller than the indicated value. </p>
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<p>Is asynchronous read supported (read-write) </p>
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<p>Capability flags, that the kernel supports </p>
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<p>Kernel congestion threshold parameter </p>
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<p>Maximum number of backgrounded requests </p>
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<p>Maximum readahead </p>
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<p>Maximum size of the write buffer </p>
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<p>Major version of the protocol (read-only) </p>
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<p>Minor version of the protocol (read-only) </p>
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<p>For future use. </p>
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<p>Capability flags, that the filesystem wants to enable </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>include/<a class="el" href="fuse__common_8h.html">fuse_common.h</a></li>
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<div class="textblock"><p>Extra context that may be needed by some filesystems</p>
<p>The uid, gid and pid fields are not filled in case of a writepage operation. </p>
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<p>Pointer to the fuse object </p>
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<p>Group ID of the calling process </p>
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<p>Thread ID of the calling process </p>
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<p>Private filesystem data </p>
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<p>User ID of the calling process </p>
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<p>Umask of the calling process (introduced in version 2.8) </p>
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<div class="textblock"><p>Additional context associated with requests </p>
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<p>Group ID of the calling process </p>
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<p>Thread ID of the calling process </p>
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<p>User ID of the calling process </p>
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<p>Umask of the calling process (introduced in version 2.8) </p>
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<div class="textblock"><p>Directory entry parameters supplied to <a class="el" href="fuse__lowlevel_8h.html#a672c45e126cd240f4bcd59bf9b7e3708">fuse_reply_entry()</a> </p>
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<p>Inode attributes.</p>
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<p>Generation number for this entry.</p>
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<p>Unique inode number</p>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Information about open files</p>
<p>Changed in version 2.5 </p>
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<p>Can be filled in by open, to use direct I/O on this file. Introduced in version 2.4 </p>
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<p>File handle. May be filled in by filesystem in open(). Available in all other file operations </p>
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<p>Old file handle, don't use </p>
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<p>Open flags. Available in open() and release() </p>
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<p>Indicates a flush operation. Set in flush operation, also maybe set in highlevel lock operation and lowlevel release operation. Introduced in version 2.6 </p>
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<p>Can be filled in by open, to indicate, that cached file data need not be invalidated. Introduced in version 2.4 </p>
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<p>Lock owner id. Available in locking operations and flush </p>
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<p>Can be filled in by open, to indicate that the file is not seekable. Introduced in version 2.8 </p>
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<p>Padding. Do not use </p>
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<p>In case of a write operation indicates if this was caused by a writepage </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>include/<a class="el" href="fuse__common_8h.html">fuse_common.h</a></li>
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<p><code>#include &lt;fuse.h&gt;</code></p>
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Data Fields</h2></td></tr>
<tr class="memitem:abc7b2bc3480bbb94a4eb9c1d910a0385"><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__module.html#abc7b2bc3480bbb94a4eb9c1d910a0385">name</a></td></tr>
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<tr class="memitem:a433d1857217f025aaf561fb95ffadae5"><td class="memItemLeft" align="right" valign="top">struct fuse_fs *(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__module.html#a433d1857217f025aaf561fb95ffadae5">factory</a> )(struct <a class="el" href="structfuse__args.html">fuse_args</a> *args, struct fuse_fs *fs[])</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Filesystem module</p>
<p>Filesystem modules are registered with the <a class="el" href="fuse_8h.html#af335784cf29289c7583f3312d98d2bcd">FUSE_REGISTER_MODULE()</a> macro.</p>
<p>If the "-omodules=modname:..." option is present, filesystem objects are created and pushed onto the stack with the 'factory' function. </p>
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<p>Factory for creating filesystem objects</p>
<p>The function may use and remove options from 'args' that belong to this module.</p>
<p>For now the 'fs' vector always contains exactly one filesystem. This is the filesystem which will be below the newly created filesystem in the stack.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
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<dl class="section return"><dt>Returns</dt><dd>the new filesystem object </dd></dl>
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<p>Name of filesystem </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The file system operations:</p>
<p>Most of these should work very similarly to the well known UNIX file system operations. A major exception is that instead of returning an error in 'errno', the operation should return the negated error value (-errno) directly.</p>
<p>All methods are optional, but some are essential for a useful filesystem (e.g. getattr). Open, flush, release, fsync, opendir, releasedir, fsyncdir, access, create, ftruncate, fgetattr, lock, init and destroy are special purpose methods, without which a full featured filesystem can still be implemented.</p>
<p>Almost all operations take a path which can be of any length.</p>
<p>Changed in fuse 2.8.0 (regardless of API version) Previously, paths were limited to a length of PATH_MAX.</p>
<p>See <a href="http://fuse.sourceforge.net/wiki/">http://fuse.sourceforge.net/wiki/</a> for more information. There is also a snapshot of the relevant wiki pages in the doc/ folder. </p>
</div><h2 class="groupheader">Field Documentation</h2>
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<p>Check file access permissions</p>
<p>This will be called for the <a class="el" href="structfuse__operations.html#a2248db35e200265f7fb9a18348229858">access()</a> system call. If the 'default_permissions' mount option is given, this method is not called.</p>
<p>This method is not called under Linux kernel versions 2.4.x</p>
<p>Introduced in version 2.5 </p>
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<p>Map block index within file to block index within device</p>
<p>Note: This makes sense only for block device backed filesystems mounted with the 'blkdev' option</p>
<p>Introduced in version 2.6 </p>
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<p>Change the permission bits of a file </p>
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<p>Change the owner and group of a file </p>
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<td class="memname">int(* fuse_operations::create)(const char *, mode_t, struct <a class="el" href="structfuse__file__info.html">fuse_file_info</a> *)</td>
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<p>Create and open a file</p>
<p>If the file does not exist, first create it with the specified mode, and then open it.</p>
<p>If this method is not implemented or under Linux kernel versions earlier than 2.6.15, the <a class="el" href="structfuse__operations.html#a1465eb2268cec2bb5ed11cb09bbda42f">mknod()</a> and <a class="el" href="structfuse__operations.html#a14b98c3f7ab97cc2ef8f9b1d9dc0709d">open()</a> methods will be called instead.</p>
<p>Introduced in version 2.5 </p>
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<p>Clean up filesystem</p>
<p>Called on filesystem exit.</p>
<p>Introduced in version 2.3 </p>
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<p>Allocates space for an open file</p>
<p>This function ensures that required space is allocated for specified file. If this function returns success then any subsequent write request to specified range is guaranteed not to fail because of lack of space on the file system media.</p>
<p>Introduced in version 2.9.1 </p>
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<td class="memname">int(* fuse_operations::fgetattr)(const char *, struct stat *, struct <a class="el" href="structfuse__file__info.html">fuse_file_info</a> *)</td>
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<p>Get attributes from an open file</p>
<p>This method is called instead of the <a class="el" href="structfuse__operations.html#a7a4c5d8eaf7179d819618c0cf3f73724">getattr()</a> method if the file information is available.</p>
<p>Currently this is only called after the <a class="el" href="structfuse__operations.html#a97243e0f9268a96236bc3b6f2bacee17">create()</a> method if that is implemented (see above). Later it may be called for invocations of fstat() too.</p>
<p>Introduced in version 2.5 </p>
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<p>Flag indicating that the path need not be calculated for the following operations:</p>
<p>read, write, flush, release, fsync, readdir, releasedir, fsyncdir, ftruncate, fgetattr, lock, ioctl and poll</p>
<p>Closely related to flag_nullpath_ok, but if this flag is set then the path will not be calculaged even if the file wasn't unlinked. However the path can still be non-NULL if it needs to be calculated for some other reason. </p>
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<p>Flag indicating that the filesystem can accept a NULL path as the first argument for the following operations:</p>
<p>read, write, flush, release, fsync, readdir, releasedir, fsyncdir, ftruncate, fgetattr, lock, ioctl and poll</p>
<p>If this flag is set these operations continue to work on unlinked files even if "-ohard_remove" option was specified. </p>
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<p>Reserved flags, don't set </p>
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<p>Flag indicating that the filesystem accepts special UTIME_NOW and UTIME_OMIT values in its utimens operation. </p>
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<td class="memname">int(* fuse_operations::flock)(const char *, struct <a class="el" href="structfuse__file__info.html">fuse_file_info</a> *, int op)</td>
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<p>Perform BSD file locking operation</p>
<p>The op argument will be either LOCK_SH, LOCK_EX or LOCK_UN</p>
<p>Nonblocking requests will be indicated by ORing LOCK_NB to the above operations</p>
<p>For more information see the flock(2) manual page.</p>
<p>Additionally fi-&gt;owner will be set to a value unique to this open file. This same value will be supplied to -&gt;<a class="el" href="structfuse__operations.html#abac8718cdfc1ee273a44831a27393419">release()</a> when the file is released.</p>
<p>Note: if this method is not implemented, the kernel will still allow file locking to work locally. Hence it is only interesting for network filesystems and similar.</p>
<p>Introduced in version 2.9 </p>
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<p>Possibly flush cached data</p>
<p>BIG NOTE: This is not equivalent to <a class="el" href="structfuse__operations.html#a92bdd6f43ba390a54ac360541c56b528">fsync()</a>. It's not a request to sync dirty data.</p>
<p>Flush is called on each close() of a file descriptor. So if a filesystem wants to return write errors in close() and the file has cached dirty data, this is a good place to write back data and return any errors. Since many applications ignore close() errors this is not always useful.</p>
<p>NOTE: The <a class="el" href="structfuse__operations.html#ad4ec9c309072a92dd82ddb20efa4ab14">flush()</a> method may be called more than once for each <a class="el" href="structfuse__operations.html#a14b98c3f7ab97cc2ef8f9b1d9dc0709d">open()</a>. This happens if more than one file descriptor refers to an opened file due to dup(), dup2() or fork() calls. It is not possible to determine if a flush is final, so each flush should be treated equally. Multiple write-flush sequences are relatively rare, so this shouldn't be a problem.</p>
<p>Filesystems shouldn't assume that flush will always be called after some writes, or that if will be called at all.</p>
<p>Changed in version 2.2 </p>
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<p>Synchronize file contents</p>
<p>If the datasync parameter is non-zero, then only the user data should be flushed, not the meta data.</p>
<p>Changed in version 2.2 </p>
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<p>Synchronize directory contents</p>
<p>If the datasync parameter is non-zero, then only the user data should be flushed, not the meta data</p>
<p>Introduced in version 2.3 </p>
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<td class="memname">int(* fuse_operations::ftruncate)(const char *, off_t, struct <a class="el" href="structfuse__file__info.html">fuse_file_info</a> *)</td>
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<p>Change the size of an open file</p>
<p>This method is called instead of the <a class="el" href="structfuse__operations.html#a8efb50b9cd975ba8c4c450248caff6ed">truncate()</a> method if the truncation was invoked from an <a class="el" href="structfuse__operations.html#a1e492882859740f13cbf3344cf963c70">ftruncate()</a> system call.</p>
<p>If this method is not implemented or under Linux kernel versions earlier than 2.6.15, the <a class="el" href="structfuse__operations.html#a8efb50b9cd975ba8c4c450248caff6ed">truncate()</a> method will be called instead.</p>
<p>Introduced in version 2.5 </p>
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<p>Get file attributes.</p>
<p>Similar to stat(). The 'st_dev' and 'st_blksize' fields are ignored. The 'st_ino' field is ignored except if the 'use_ino' mount option is given. </p>
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<p>Get extended attributes </p>
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<td class="memname">void*(* fuse_operations::init)(struct <a class="el" href="structfuse__conn__info.html">fuse_conn_info</a> *conn)</td>
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<p>Initialize filesystem</p>
<p>The return value will passed in the private_data field of <a class="el" href="structfuse__context.html">fuse_context</a> to all file operations and as a parameter to the <a class="el" href="structfuse__operations.html#ac41d37ab860204fe4bd7612f9fb036c5">destroy()</a> method.</p>
<p>Introduced in version 2.3 Changed in version 2.6 </p>
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<p>Ioctl</p>
<p>flags will have FUSE_IOCTL_COMPAT set for 32bit ioctls in 64bit environment. The size and direction of data is determined by <em>IOC</em>*() decoding of cmd. For _IOC_NONE, data will be NULL, for _IOC_WRITE data is out area, for _IOC_READ in area and if both are set in/out area. In all non-NULL cases, the area is of _IOC_SIZE(cmd) bytes.</p>
<p>If flags has FUSE_IOCTL_DIR then the <a class="el" href="structfuse__file__info.html">fuse_file_info</a> refers to a directory file handle.</p>
<p>Introduced in version 2.8 </p>
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<p>Create a hard link to a file </p>
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<p>List extended attributes </p>
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<td class="memname">int(* fuse_operations::lock)(const char *, struct <a class="el" href="structfuse__file__info.html">fuse_file_info</a> *, int cmd, struct <a class="el" href="structfuse__operations.html#ad5968d566dab370974043fcf4271eb25">flock</a> *)</td>
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<p>Perform POSIX file locking operation</p>
<p>The cmd argument will be either F_GETLK, F_SETLK or F_SETLKW.</p>
<p>For the meaning of fields in 'struct flock' see the man page for fcntl(2). The l_whence field will always be set to SEEK_SET.</p>
<p>For checking lock ownership, the 'fuse_file_info-&gt;owner' argument must be used.</p>
<p>For F_GETLK operation, the library will first check currently held locks, and if a conflicting lock is found it will return information without calling this method. This ensures, that for local locks the l_pid field is correctly filled in. The results may not be accurate in case of race conditions and in the presence of hard links, but it's unlikely that an application would rely on accurate GETLK results in these cases. If a conflicting lock is not found, this method will be called, and the filesystem may fill out l_pid by a meaningful value, or it may leave this field zero.</p>
<p>For F_SETLK and F_SETLKW the l_pid field will be set to the pid of the process performing the locking operation.</p>
<p>Note: if this method is not implemented, the kernel will still allow file locking to work locally. Hence it is only interesting for network filesystems and similar.</p>
<p>Introduced in version 2.6 </p>
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<p>Create a directory</p>
<p>Note that the mode argument may not have the type specification bits set, i.e. S_ISDIR(mode) can be false. To obtain the correct directory type bits use mode|S_IFDIR </p>
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<p>Create a file node</p>
<p>This is called for creation of all non-directory, non-symlink nodes. If the filesystem defines a <a class="el" href="structfuse__operations.html#a97243e0f9268a96236bc3b6f2bacee17">create()</a> method, then for regular files that will be called instead. </p>
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<p>File open operation</p>
<p>No creation (O_CREAT, O_EXCL) and by default also no truncation (O_TRUNC) flags will be passed to <a class="el" href="structfuse__operations.html#a14b98c3f7ab97cc2ef8f9b1d9dc0709d">open()</a>. If an application specifies O_TRUNC, fuse first calls <a class="el" href="structfuse__operations.html#a8efb50b9cd975ba8c4c450248caff6ed">truncate()</a> and then <a class="el" href="structfuse__operations.html#a14b98c3f7ab97cc2ef8f9b1d9dc0709d">open()</a>. Only if 'atomic_o_trunc' has been specified and kernel version is 2.6.24 or later, O_TRUNC is passed on to open.</p>
<p>Unless the 'default_permissions' mount option is given, open should check if the operation is permitted for the given flags. Optionally open may also return an arbitrary filehandle in the <a class="el" href="structfuse__file__info.html">fuse_file_info</a> structure, which will be passed to all file operations.</p>
<p>Changed in version 2.2 </p>
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<p>Open directory</p>
<p>Unless the 'default_permissions' mount option is given, this method should check if opendir is permitted for this directory. Optionally opendir may also return an arbitrary filehandle in the <a class="el" href="structfuse__file__info.html">fuse_file_info</a> structure, which will be passed to readdir, closedir and fsyncdir.</p>
<p>Introduced in version 2.3 </p>
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<p>Poll for IO readiness events</p>
<p>Note: If ph is non-NULL, the client should notify when IO readiness events occur by calling fuse_notify_poll() with the specified ph.</p>
<p>Regardless of the number of times poll with a non-NULL ph is received, single notification is enough to clear all. Notifying more times incurs overhead but doesn't harm correctness.</p>
<p>The callee is responsible for destroying ph with <a class="el" href="fuse__common_8h.html#adf5027f8a38b2efc03858efd7fdc756a">fuse_pollhandle_destroy()</a> when no longer in use.</p>
<p>Introduced in version 2.8 </p>
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<p>Read data from an open file</p>
<p>Read should return exactly the number of bytes requested except on EOF or error, otherwise the rest of the data will be substituted with zeroes. An exception to this is when the 'direct_io' mount option is specified, in which case the return value of the read system call will reflect the return value of this operation.</p>
<p>Changed in version 2.2 </p>
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<p>Store data from an open file in a buffer</p>
<p>Similar to the <a class="el" href="structfuse__operations.html#a2a1c6b4ce1845de56863f8b7939501b5">read()</a> method, but data is stored and returned in a generic buffer.</p>
<p>No actual copying of data has to take place, the source file descriptor may simply be stored in the buffer for later data transfer.</p>
<p>The buffer must be allocated dynamically and stored at the location pointed to by bufp. If the buffer contains memory regions, they too must be allocated using malloc(). The allocated memory will be freed by the caller.</p>
<p>Introduced in version 2.9 </p>
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<p>Read directory</p>
<p>This supersedes the old getdir() interface. New applications should use this.</p>
<p>The filesystem may choose between two modes of operation:</p>
<p>1) The readdir implementation ignores the offset parameter, and passes zero to the filler function's offset. The filler function will not return '1' (unless an error happens), so the whole directory is read in a single readdir operation. This works just like the old getdir() method.</p>
<p>2) The readdir implementation keeps track of the offsets of the directory entries. It uses the offset parameter and always passes non-zero offset to the filler function. When the buffer is full (or an error happens) the filler function will return '1'.</p>
<p>Introduced in version 2.3 </p>
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<p>Read the target of a symbolic link</p>
<p>The buffer should be filled with a null terminated string. The buffer size argument includes the space for the terminating null character. If the linkname is too long to fit in the buffer, it should be truncated. The return value should be 0 for success. </p>
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<p>Release an open file</p>
<p>Release is called when there are no more references to an open file: all file descriptors are closed and all memory mappings are unmapped.</p>
<p>For every <a class="el" href="structfuse__operations.html#a14b98c3f7ab97cc2ef8f9b1d9dc0709d">open()</a> call there will be exactly one <a class="el" href="structfuse__operations.html#abac8718cdfc1ee273a44831a27393419">release()</a> call with the same flags and file descriptor. It is possible to have a file opened more than once, in which case only the last release will mean, that no more reads/writes will happen on the file. The return value of release is ignored.</p>
<p>Changed in version 2.2 </p>
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<p>Release directory</p>
<p>Introduced in version 2.3 </p>
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<p>Rename a file </p>
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<p>Remove a directory </p>
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<p>Set extended attributes </p>
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<p>Get file system statistics</p>
<p>The 'f_frsize', 'f_favail', 'f_fsid' and 'f_flag' fields are ignored</p>
<p>Replaced 'struct statfs' parameter with 'struct statvfs' in version 2.5 </p>
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<td class="memname">int(* fuse_operations::symlink)(const char *, const char *)</td>
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<p>Create a symbolic link </p>
</div>
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<div class="memitem">
<div class="memproto">
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<td class="memname">int(* fuse_operations::truncate)(const char *, off_t)</td>
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</div><div class="memdoc">
<p>Change the size of a file </p>
</div>
</div>
<a class="anchor" id="a8bf63301a9d6e94311fa10480993801e"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname">int(* fuse_operations::unlink)(const char *)</td>
</tr>
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<p>Remove a file </p>
</div>
</div>
<a class="anchor" id="acb7452acad1002d418409892b6e54c2e"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname">int(* fuse_operations::utime)(const char *, struct utimbuf *)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Change the access and/or modification times of a file</p>
<p>Deprecated, use <a class="el" href="structfuse__operations.html#a79955861cc5eb006954476607ef28944">utimens()</a> instead. </p>
</div>
</div>
<a class="anchor" id="a79955861cc5eb006954476607ef28944"></a>
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</tr>
</table>
</div><div class="memdoc">
<p>Change the access and modification times of a file with nanosecond resolution</p>
<p>This supersedes the old <a class="el" href="structfuse__operations.html#acb7452acad1002d418409892b6e54c2e">utime()</a> interface. New applications should use this.</p>
<p>See the utimensat(2) man page for details.</p>
<p>Introduced in version 2.6 </p>
</div>
</div>
<a class="anchor" id="a897d1ece4b8b04c92d97b97b2dbf9768"></a>
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</tr>
</table>
</div><div class="memdoc">
<p>Write data to an open file</p>
<p>Write should return exactly the number of bytes requested except on error. An exception to this is when the 'direct_io' mount option is specified (see read operation).</p>
<p>Changed in version 2.2 </p>
</div>
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</tr>
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<p>Write contents of buffer to an open file</p>
<p>Similar to the <a class="el" href="structfuse__operations.html#a897d1ece4b8b04c92d97b97b2dbf9768">write()</a> method, but data is supplied in a generic buffer. Use <a class="el" href="fuse__common_8h.html#a9ca301390fb5e85b85153abb1891a3f7">fuse_buf_copy()</a> to transfer data to the destination.</p>
<p>Introduced in version 2.9 </p>
</div>
</div>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li>include/<a class="el" href="fuse_8h.html">fuse.h</a></li>
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<div class="contents">
<p><code>#include &lt;fuse_opt.h&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr class="memitem:a215255be3ed5c0f6c3e0d5dcc96d7b12"><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__opt.html#a215255be3ed5c0f6c3e0d5dcc96d7b12">templ</a></td></tr>
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<tr class="memitem:a333dcd849a3bd54df06084a69b5a8d39"><td class="memItemLeft" align="right" valign="top">unsigned long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__opt.html#a333dcd849a3bd54df06084a69b5a8d39">offset</a></td></tr>
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<tr class="memitem:aeb76339e1ce6948ad94bd2d4d5d01e20"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__opt.html#aeb76339e1ce6948ad94bd2d4d5d01e20">value</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Option description</p>
<p>This structure describes a single option, and action associated with it, in case it matches.</p>
<p>More than one such match may occur, in which case the action for each match is executed.</p>
<p>There are three possible actions in case of a match:</p>
<p>i) An integer (int or unsigned) variable determined by 'offset' is set to 'value'</p>
<p>ii) The processing function is called, with 'value' as the key</p>
<p>iii) An integer (any) or string (char *) variable determined by 'offset' is set to the value of an option parameter</p>
<p>'offset' should normally be either set to</p>
<ul>
<li>'offsetof(struct foo, member)' actions i) and iii)</li>
<li>-1 action ii)</li>
</ul>
<p>The 'offsetof()' macro is defined in the &lt;stddef.h&gt; header.</p>
<p>The template determines which options match, and also have an effect on the action. Normally the action is either i) or ii), but if a format is present in the template, then action iii) is performed.</p>
<p>The types of templates are:</p>
<p>1) "-x", "-foo", "--foo", "--foo-bar", etc. These match only themselves. Invalid values are "--" and anything beginning with "-o"</p>
<p>2) "foo", "foo-bar", etc. These match "-ofoo", "-ofoo-bar" or the relevant option in a comma separated option list</p>
<p>3) "bar=", "--foo=", etc. These are variations of 1) and 2) which have a parameter</p>
<p>4) "bar=%s", "--foo=%lu", etc. Same matching as above but perform action iii).</p>
<p>5) "-x ", etc. Matches either "-xparam" or "-x param" as two separate arguments</p>
<p>6) "-x %s", etc. Combination of 4) and 5)</p>
<p>If the format is "%s", memory is allocated for the string unlike with scanf(). </p>
</div><h2 class="groupheader">Field Documentation</h2>
<a class="anchor" id="a333dcd849a3bd54df06084a69b5a8d39"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname">unsigned long fuse_opt::offset</td>
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<p>Offset of variable within 'data' parameter of <a class="el" href="fuse__opt_8h.html#a539ef1f571c34f516c60c4cbe2901c0e">fuse_opt_parse()</a> or -1 </p>
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<p>Matching template and optional parameter formatting </p>
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<p>Value to set the variable to, or to be passed as 'key' to the processing function. Ignored if template has a format </p>
</div>
</div>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li>include/<a class="el" href="fuse__opt_8h.html">fuse_opt.h</a></li>
</ul>
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<p><code>#include &lt;fuse_lowlevel.h&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr class="memitem:a8ed15bc86f9e32444cd0b80d605f227f"><td class="memItemLeft" align="right" valign="top">void(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__session__ops.html#a8ed15bc86f9e32444cd0b80d605f227f">process</a> )(void *data, const char *buf, size_t len, struct fuse_chan *ch)</td></tr>
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<tr class="memitem:afee317cbaa077d50fd19245924ddfff3"><td class="memItemLeft" align="right" valign="top">void(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfuse__session__ops.html#afee317cbaa077d50fd19245924ddfff3">destroy</a> )(void *data)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Session operations</p>
<p>This is used in session creation </p>
</div><h2 class="groupheader">Field Documentation</h2>
<a class="anchor" id="afee317cbaa077d50fd19245924ddfff3"></a>
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<p>Hook for cleaning up the channel on destroy (optional)</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">data</td><td>user data passed to <a class="el" href="fuse__lowlevel_8h.html#a28b7d09c6e87e3e375743c2ef6e06f0f">fuse_session_new()</a> </td></tr>
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<p>Hook for session exit and reset (optional)</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">data</td><td>user data passed to <a class="el" href="fuse__lowlevel_8h.html#a28b7d09c6e87e3e375743c2ef6e06f0f">fuse_session_new()</a> </td></tr>
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<p>Hook for querying the current exited status (optional)</p>
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<table class="params">
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<dl class="section return"><dt>Returns</dt><dd>1 if exited, 0 if not exited </dd></dl>
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<p>Hook to process a request (mandatory)</p>
<dl class="params"><dt>Parameters</dt><dd>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>include/<a class="el" href="fuse__lowlevel_8h.html">fuse_lowlevel.h</a></li>
</ul>
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Definitions
~~~~~~~~~~~
Userspace filesystem:
A filesystem in which data and metadata are provided by an ordinary
userspace process. The filesystem can be accessed normally through
the kernel interface.
Filesystem daemon:
The process(es) providing the data and metadata of the filesystem.
Non-privileged mount (or user mount):
A userspace filesystem mounted by a non-privileged (non-root) user.
The filesystem daemon is running with the privileges of the mounting
user. NOTE: this is not the same as mounts allowed with the "user"
option in /etc/fstab, which is not discussed here.
Filesystem connection:
A connection between the filesystem daemon and the kernel. The
connection exists until either the daemon dies, or the filesystem is
umounted. Note that detaching (or lazy umounting) the filesystem
does _not_ break the connection, in this case it will exist until
the last reference to the filesystem is released.
Mount owner:
The user who does the mounting.
User:
The user who is performing filesystem operations.
What is FUSE?
~~~~~~~~~~~~~
FUSE is a userspace filesystem framework. It consists of a kernel
module (fuse.ko), a userspace library (libfuse.*) and a mount utility
(fusermount).
One of the most important features of FUSE is allowing secure,
non-privileged mounts. This opens up new possibilities for the use of
filesystems. A good example is sshfs: a secure network filesystem
using the sftp protocol.
The userspace library and utilities are available from the FUSE
homepage:
http://fuse.sourceforge.net/
Filesystem type
~~~~~~~~~~~~~~~
The filesystem type given to mount(2) can be one of the following:
'fuse'
This is the usual way to mount a FUSE filesystem. The first
argument of the mount system call may contain an arbitrary string,
which is not interpreted by the kernel.
'fuseblk'
The filesystem is block device based. The first argument of the
mount system call is interpreted as the name of the device.
Mount options
~~~~~~~~~~~~~
'fd=N'
The file descriptor to use for communication between the userspace
filesystem and the kernel. The file descriptor must have been
obtained by opening the FUSE device ('/dev/fuse').
'rootmode=M'
The file mode of the filesystem's root in octal representation.
'user_id=N'
The numeric user id of the mount owner.
'group_id=N'
The numeric group id of the mount owner.
'default_permissions'
By default FUSE doesn't check file access permissions, the
filesystem is free to implement it's access policy or leave it to
the underlying file access mechanism (e.g. in case of network
filesystems). This option enables permission checking, restricting
access based on file mode. It is usually useful together with the
'allow_other' mount option.
'allow_other'
This option overrides the security measure restricting file access
to the user mounting the filesystem. This option is by default only
allowed to root, but this restriction can be removed with a
(userspace) configuration option.
'max_read=N'
With this option the maximum size of read operations can be set.
The default is infinite. Note that the size of read requests is
limited anyway to 32 pages (which is 128kbyte on i386).
'blksize=N'
Set the block size for the filesystem. The default is 512. This
option is only valid for 'fuseblk' type mounts.
Control filesystem
~~~~~~~~~~~~~~~~~~
There's a control filesystem for FUSE, which can be mounted by:
mount -t fusectl none /sys/fs/fuse/connections
Mounting it under the '/sys/fs/fuse/connections' directory makes it
backwards compatible with earlier versions.
Under the fuse control filesystem each connection has a directory
named by a unique number.
For each connection the following files exist within this directory:
'waiting'
The number of requests which are waiting to be transferred to
userspace or being processed by the filesystem daemon. If there is
no filesystem activity and 'waiting' is non-zero, then the
filesystem is hung or deadlocked.
'abort'
Writing anything into this file will abort the filesystem
connection. This means that all waiting requests will be aborted an
error returned for all aborted and new requests.
Only the owner of the mount may read or write these files.
Interrupting filesystem operations
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If a process issuing a FUSE filesystem request is interrupted, the
following will happen:
1) If the request is not yet sent to userspace AND the signal is
fatal (SIGKILL or unhandled fatal signal), then the request is
dequeued and returns immediately.
2) If the request is not yet sent to userspace AND the signal is not
fatal, then an 'interrupted' flag is set for the request. When
the request has been successfully transferred to userspace and
this flag is set, an INTERRUPT request is queued.
3) If the request is already sent to userspace, then an INTERRUPT
request is queued.
INTERRUPT requests take precedence over other requests, so the
userspace filesystem will receive queued INTERRUPTs before any others.
The userspace filesystem may ignore the INTERRUPT requests entirely,
or may honor them by sending a reply to the _original_ request, with
the error set to EINTR.
It is also possible that there's a race between processing the
original request and it's INTERRUPT request. There are two possibilities:
1) The INTERRUPT request is processed before the original request is
processed
2) The INTERRUPT request is processed after the original request has
been answered
If the filesystem cannot find the original request, it should wait for
some timeout and/or a number of new requests to arrive, after which it
should reply to the INTERRUPT request with an EAGAIN error. In case
1) the INTERRUPT request will be requeued. In case 2) the INTERRUPT
reply will be ignored.
Aborting a filesystem connection
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
It is possible to get into certain situations where the filesystem is
not responding. Reasons for this may be:
a) Broken userspace filesystem implementation
b) Network connection down
c) Accidental deadlock
d) Malicious deadlock
(For more on c) and d) see later sections)
In either of these cases it may be useful to abort the connection to
the filesystem. There are several ways to do this:
- Kill the filesystem daemon. Works in case of a) and b)
- Kill the filesystem daemon and all users of the filesystem. Works
in all cases except some malicious deadlocks
- Use forced umount (umount -f). Works in all cases but only if
filesystem is still attached (it hasn't been lazy unmounted)
- Abort filesystem through the FUSE control filesystem. Most
powerful method, always works.
How do non-privileged mounts work?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Since the mount() system call is a privileged operation, a helper
program (fusermount) is needed, which is installed setuid root.
The implication of providing non-privileged mounts is that the mount
owner must not be able to use this capability to compromise the
system. Obvious requirements arising from this are:
A) mount owner should not be able to get elevated privileges with the
help of the mounted filesystem
B) mount owner should not get illegitimate access to information from
other users' and the super user's processes
C) mount owner should not be able to induce undesired behavior in
other users' or the super user's processes
How are requirements fulfilled?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
A) The mount owner could gain elevated privileges by either:
1) creating a filesystem containing a device file, then opening
this device
2) creating a filesystem containing a suid or sgid application,
then executing this application
The solution is not to allow opening device files and ignore
setuid and setgid bits when executing programs. To ensure this
fusermount always adds "nosuid" and "nodev" to the mount options
for non-privileged mounts.
B) If another user is accessing files or directories in the
filesystem, the filesystem daemon serving requests can record the
exact sequence and timing of operations performed. This
information is otherwise inaccessible to the mount owner, so this
counts as an information leak.
The solution to this problem will be presented in point 2) of C).
C) There are several ways in which the mount owner can induce
undesired behavior in other users' processes, such as:
1) mounting a filesystem over a file or directory which the mount
owner could otherwise not be able to modify (or could only
make limited modifications).
This is solved in fusermount, by checking the access
permissions on the mountpoint and only allowing the mount if
the mount owner can do unlimited modification (has write
access to the mountpoint, and mountpoint is not a "sticky"
directory)
2) Even if 1) is solved the mount owner can change the behavior
of other users' processes.
i) It can slow down or indefinitely delay the execution of a
filesystem operation creating a DoS against the user or the
whole system. For example a suid application locking a
system file, and then accessing a file on the mount owner's
filesystem could be stopped, and thus causing the system
file to be locked forever.
ii) It can present files or directories of unlimited length, or
directory structures of unlimited depth, possibly causing a
system process to eat up diskspace, memory or other
resources, again causing DoS.
The solution to this as well as B) is not to allow processes
to access the filesystem, which could otherwise not be
monitored or manipulated by the mount owner. Since if the
mount owner can ptrace a process, it can do all of the above
without using a FUSE mount, the same criteria as used in
ptrace can be used to check if a process is allowed to access
the filesystem or not.
Note that the ptrace check is not strictly necessary to
prevent B/2/i, it is enough to check if mount owner has enough
privilege to send signal to the process accessing the
filesystem, since SIGSTOP can be used to get a similar effect.
I think these limitations are unacceptable?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If a sysadmin trusts the users enough, or can ensure through other
measures, that system processes will never enter non-privileged
mounts, it can relax the last limitation with a "user_allow_other"
config option. If this config option is set, the mounting user can
add the "allow_other" mount option which disables the check for other
users' processes.
Kernel - userspace interface
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The following diagram shows how a filesystem operation (in this
example unlink) is performed in FUSE.
NOTE: everything in this description is greatly simplified
| "rm /mnt/fuse/file" | FUSE filesystem daemon
| |
| | >sys_read()
| | >fuse_dev_read()
| | >request_wait()
| | [sleep on fc->waitq]
| |
| >sys_unlink() |
| >fuse_unlink() |
| [get request from |
| fc->unused_list] |
| >request_send() |
| [queue req on fc->pending] |
| [wake up fc->waitq] | [woken up]
| >request_wait_answer() |
| [sleep on req->waitq] |
| | <request_wait()
| | [remove req from fc->pending]
| | [copy req to read buffer]
| | [add req to fc->processing]
| | <fuse_dev_read()
| | <sys_read()
| |
| | [perform unlink]
| |
| | >sys_write()
| | >fuse_dev_write()
| | [look up req in fc->processing]
| | [remove from fc->processing]
| | [copy write buffer to req]
| [woken up] | [wake up req->waitq]
| | <fuse_dev_write()
| | <sys_write()
| <request_wait_answer() |
| <request_send() |
| [add request to |
| fc->unused_list] |
| <fuse_unlink() |
| <sys_unlink() |
There are a couple of ways in which to deadlock a FUSE filesystem.
Since we are talking about unprivileged userspace programs,
something must be done about these.
Scenario 1 - Simple deadlock
-----------------------------
| "rm /mnt/fuse/file" | FUSE filesystem daemon
| |
| >sys_unlink("/mnt/fuse/file") |
| [acquire inode semaphore |
| for "file"] |
| >fuse_unlink() |
| [sleep on req->waitq] |
| | <sys_read()
| | >sys_unlink("/mnt/fuse/file")
| | [acquire inode semaphore
| | for "file"]
| | *DEADLOCK*
The solution for this is to allow the filesystem to be aborted.
Scenario 2 - Tricky deadlock
----------------------------
This one needs a carefully crafted filesystem. It's a variation on
the above, only the call back to the filesystem is not explicit,
but is caused by a pagefault.
| Kamikaze filesystem thread 1 | Kamikaze filesystem thread 2
| |
| [fd = open("/mnt/fuse/file")] | [request served normally]
| [mmap fd to 'addr'] |
| [close fd] | [FLUSH triggers 'magic' flag]
| [read a byte from addr] |
| >do_page_fault() |
| [find or create page] |
| [lock page] |
| >fuse_readpage() |
| [queue READ request] |
| [sleep on req->waitq] |
| | [read request to buffer]
| | [create reply header before addr]
| | >sys_write(addr - headerlength)
| | >fuse_dev_write()
| | [look up req in fc->processing]
| | [remove from fc->processing]
| | [copy write buffer to req]
| | >do_page_fault()
| | [find or create page]
| | [lock page]
| | * DEADLOCK *
Solution is basically the same as above.
An additional problem is that while the write buffer is being copied
to the request, the request must not be interrupted/aborted. This is
because the destination address of the copy may not be valid after the
request has returned.
This is solved with doing the copy atomically, and allowing abort
while the page(s) belonging to the write buffer are faulted with
get_user_pages(). The 'req->locked' flag indicates when the copy is
taking place, and abort is delayed until this flag is unset.

161
libfuse/doc/mount.fuse.8

@ -1,161 +0,0 @@
.TH fuse "8"
.SH NAME
fuse \- format and options for the fuse file systems
.SH DESCRIPTION
FUSE (Filesystem in Userspace) is a simple interface for userspace programs to export a virtual filesystem to the Linux kernel. FUSE also aims to provide a secure method for non privileged users to create and mount their own filesystem implementations.
.SH CONFIGURATION
Some options regarding mount policy can be set in the file \fI/etc/fuse.conf\fP. Currently these options are:
.TP
\fBmount_max = NNN\fP
Set the maximum number of FUSE mounts allowed to non-root users. The default is 1000.
.TP
\fBuser_allow_other\fP
Allow non-root users to specify the \fBallow_other\fP or \fBallow_root\fP mount options (see below).
.SH OPTIONS
Most of the generic mount options described in \fBmount\fP are supported (\fBro\fP, \fBrw\fP, \fBsuid\fP, \fBnosuid\fP, \fBdev\fP, \fBnodev\fP, \fBexec\fP, \fBnoexec\fP, \fBatime\fP, \fBnoatime\fP, \fBsync\fP, \fBasync\fP, \fBdirsync\fP). Filesystems are mounted with \fBnodev,nosuid\fP by default, which can only be overridden by a privileged user.
.SS "General mount options:"
These are FUSE specific mount options that can be specified for all filesystems:
.TP
\fBdefault_permissions\fP
By default FUSE doesn't check file access permissions, the filesystem is free to implement it's access policy or leave it to the underlying file access mechanism (e.g. in case of network filesystems). This option enables permission checking, restricting access based on file mode. This is option is usually useful together with the \fBallow_other\fP mount option.
.TP
\fBallow_other\fP
This option overrides the security measure restricting file access to the user mounting the filesystem. So all users (including root) can access the files. This option is by default only allowed to root, but this restriction can be removed with a configuration option described in the previous section.
.TP
\fBallow_root\fP
This option is similar to \fBallow_other\fP but file access is limited to the user mounting the filesystem and root. This option and \fBallow_other\fP are mutually exclusive.
.TP
\fBkernel_cache\fP
This option disables flushing the cache of the file contents on every \fBopen\fP(2). This should only be enabled on filesystems, where the file data is never changed externally (not through the mounted FUSE filesystem). Thus it is not suitable for network filesystems and other \fIintermediate\fP filesystems.
\fBNOTE\fP: if this option is not specified (and neither \fBdirect_io\fP) data is still cached after the \fBopen\fP(2), so a \fBread\fP(2) system call will not always initiate a read operation.
.TP
\fBauto_cache\fP
This option enables automatic flushing of the data cache on \fBopen\fP(2). The cache will only be flushed if the modification time or the size of the file has changed.
.TP
\fBlarge_read\fP
Issue large read requests. This can improve performance for some filesystems, but can also degrade performance. This option is only useful on 2.4.X kernels, as on 2.6 kernels requests size is automatically determined for optimum performance.
.TP
\fBdirect_io\fP
This option disables the use of page cache (file content cache) in the kernel for this filesystem. This has several affects:
.IP 1.
Each \fBread\fP(2) or \fBwrite\fP(2) system call will initiate one or more read or write operations, data will not be cached in the kernel.
.IP 2.
The return value of the read() and write() system calls will correspond to the return values of the read and write operations. This is useful for example if the file size is not known in advance (before reading it).
.TP
\fBmax_read=N\fP
With this option the maximum size of read operations can be set. The default is infinite. Note that the size of read requests is limited anyway to 32 pages (which is 128kbyte on i386).
.TP
\fBmax_readahead=N\fN
Set the maximum number of bytes to read-ahead. The default is determined by the kernel. On linux-2.6.22 or earlier it's 131072 (128kbytes)
.TP
\fBmax_write=N\fP
Set the maximum number of bytes in a single write operation. The default is 128kbytes. Note, that due to various limitations, the size of write requests can be much smaller (4kbytes). This limitation will be removed in the future.
.TP
\fBasync_read\fP
Perform reads asynchronously. This is the default
.TP
\fBsync_read\fP
Perform all reads (even read-ahead) synchronously.
.TP
\fBhard_remove\fP
The default behavior is that if an open file is deleted, the file is renamed to a hidden file (\fB.fuse_hiddenXXX\fP), and only removed when the file is finally released. This relieves the filesystem implementation of having to deal with this problem. This option disables the hiding behavior, and files are removed immediately in an unlink operation (or in a rename operation which overwrites an existing file).
It is recommended that you not use the hard_remove option. When hard_remove is set, the following libc functions fail on unlinked files (returning errno of \fBENOENT\fP): \fBread\fP(2), \fBwrite\fP(2), \fBfsync\fP(2), \fBclose\fP(2), \fBf*xattr\fP(2), \fBftruncate\fP(2), \fBfstat\fP(2), \fBfchmod\fP(2), \fBfchown\fP(2)
.TP
\fBdebug\fP
Turns on debug information printing by the library.
.TP
\fBfsname=NAME\fP
Sets the filesystem source (first field in \fI/etc/mtab\fP). The default is the mount program name.
.TP
\fBsubtype=TYPE\fP
Sets the filesystem type (third field in \fI/etc/mtab\fP). The default is the mount program name. If the kernel suppports it, \fI/etc/mtab\fP and \fI/proc/mounts\fP will show the filesystem type as \fBfuse.TYPE\fP
If the kernel doesn't support subtypes, the source filed will be \fBTYPE#NAME\fP, or if \fBfsname\fP option is not specified, just \fBTYPE\fP.
.TP
\fBuse_ino\fP
Honor the \fIst_ino\fP field in kernel functions \fBgetattr()\fP and \fBfill_dir()\fP. This value is used to fill in the
\fIst_ino\fP field in the \fBstat\fP(2), \fBlstat\fP(2), \fBfstat\fP(2) functions and the \fId_ino\fP field in the \fBreaddir\fP(2) function. The filesystem does not have to guarantee uniqueness, however some applications rely on this value being unique for the whole filesystem.
.TP
\fBreaddir_ino\fP
If \fBuse_ino\fP option is not given, still try to fill in the \fId_ino\fP field in \fBreaddir\fP(2). If the name was previously looked up, and is still in the cache, the inode number found there will be used. Otherwise it will be set to \fB-1\fP. If \fBuse_ino\fP option is given, this option is ignored.
.TP
\fBnonempty\fP
Allows mounts over a non-empty file or directory. By default these mounts are rejected to prevent accidental covering up of data, which could for example prevent automatic backup.
.TP
\fBumask=M\fP
Override the permission bits in \fIst_mode\fP set by the filesystem. The resulting permission bits are the ones missing from the given umask value. The value is given in octal representation.
.TP
\fBuid=N\fP
Override the \fIst_uid\fP field set by the filesystem (N is numeric).
.TP
\fBgid=N\fP
Override the \fIst_gid\fP field set by the filesystem (N is numeric).
.TP
\fBblkdev\fP
Mount a filesystem backed by a block device. This is a privileged option. The device must be specified with the \fBfsname=NAME\fP option.
.TP
\fBentry_timeout=T\fP
The timeout in seconds for which name lookups will be cached. The default is 1.0 second. For all the timeout options, it is possible to give fractions of a second as well (e.g. \fBentry_timeout=2.8\fP)
.TP
\fBnegative_timeout=T\fP
The timeout in seconds for which a negative lookup will be cached. This means, that if file did not exist (lookup retuned \fBENOENT\fP), the lookup will only be redone after the timeout, and the file/directory will be assumed to not exist until then. The default is 0.0 second, meaning that caching negative lookups are disabled.
.TP
\fBattr_timeout=T\fP
The timeout in seconds for which file/directory attributes are cached. The default is 1.0 second.
.TP
\fBac_attr_timeout=T\fP
The timeout in seconds for which file attributes are cached for the purpose of checking if \fBauto_cache\fP should flush the file data on open. The default is the value of \fBattr_timeout\fP
.TP
\fBintr\fP
Allow requests to be interrupted. Turning on this option may result in unexpected behavior, if the filesystem does not support request interruption.
.TP
\fBintr_signal=NUM\fP
Specify which signal number to send to the filesystem when a request is interrupted. The default is hardcoded to USR1.
.TP
\fBmodules=M1[:M2...]\fP
Add modules to the filesystem stack. Modules are pushed in the order they are specified, with the original filesystem being on the bottom of the stack.
.SH FUSE MODULES (STACKING)
Modules are filesystem stacking support to high level API. Filesystem modules can be built into libfuse or loaded from shared object
.SS "iconv"
Perform file name character set conversion. Options are:
.TP
\fBfrom_code=CHARSET\fP
Character set to convert from (see \fBiconv -l\fP for a list of possible values). Default is \fBUTF-8\fP.
.TP
\fBto_code=CHARSET\fP
Character set to convert to. Default is determined by the current locale.
.SS "subdir"
Prepend a given directory to each path. Options are:
.TP
\fBsubdir=DIR\fP
Directory to prepend to all paths. This option is \fImandatory\fP.
.TP
\fBrellinks\fP
Transform absolute symlinks into relative
.TP
\fBnorellinks\fP
Do not transform absolute symlinks into relative. This is the default.
.SH SECURITY
The fusermount program is installed set-user-gid to fuse. This is done to allow users from fuse group to mount
their own filesystem implementations.
There must however be some limitations, in order to prevent Bad User from
doing nasty things. Currently those limitations are:
.IP 1.
The user can only mount on a mountpoint, for which it has write permission
.IP 2.
The mountpoint is not a sticky directory which isn't owned by the user (like \fI/tmp\fP usually is)
.IP 3.
No other user (including root) can access the contents of the mounted filesystem.
.SH NOTE
FUSE filesystems are unmounted using the \fBfusermount\fP(1) command (\fBfusermount -u mountpoint\fP).
.SH "AUTHORS"
.LP
The main author of FUSE is Miklos Szeredi <mszeredi@inf.bme.hu>.
.LP
This man page was written by Bastien Roucaries <roucaries.bastien+debian@gmail.com> for the
Debian GNU/Linux distribution (but it may be used by others) from README file.
.SH SEE ALSO
fusermount(1)
mount(8)

28
libfuse/doc/ulockmgr_server.1

@ -1,28 +0,0 @@
.TH ULOCKMGR_SERVER 1 2011\-10\-23 2.8.6 "Filesystem in Userspace (FUSE)"
.SH NAME
\fBulockmgr_server\fR \- Lock Manager Server for FUSE filesystems
.SH SYNOPSIS
\fBulockmgr_server\fR
.SH DESCRIPTION
Filesystem in Userspace (FUSE) is a simple interface for userspace programs to export a virtual filesystem to the Linux kernel. It also aims to provide a secure method for non privileged users to create and mount their own filesystem implementations.
.PP
\fBulockmgr_server\fR is the Userspace Lock Manager Server for FUSE filesystems.
.SH OPTIONS
\fBulockmgr_server\fR has no options.
.SH SEE ALSO
\fIfusermount\fR(1),
\fImount\fR(8),
\fImount.fuse\fR(8).
.SH HOMEPAGE
More information about ulockmgr_server and the FUSE project can be found at <\fIhttp://fuse.sourceforge.net/\fR>.
.SH AUTHOR
FUSE was written by Miklos Szeredi <\fImiklos@szeredi.hu\fR>.
.PP
This manual page was written by Daniel Baumann <\fIdaniel.baumann@progress\-technologies.net\fR>.

17
libfuse/ecfd/LICENSE

@ -0,0 +1,17 @@
/*
ISC License
Copyright (c) 2018, Antonio SJ Musumeci <trapexit@spawn.link>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

16
libfuse/ecfd/README.md

@ -0,0 +1,16 @@
# ecfd: embeddable C feature discovery
This is a simple script and set of tests to help with what would traditionally be the `configure` step of most C/C++. It is intended to be simple to be embedded into a project and only depends on the C compiler and /bin/sh.
## USAGE
First copy `ecfd` into your project. Next simply call the build script which will run the tests and output a `config.` style file to `stdout`. Compile errors will output to `stderr` which can be used to understand why they aren't working.
```
$ ./ecfd/build > include/config.h
```
## TESTS
Each test is in a single module. The build script will try to compile each module and on success will execute the program. If anything is printed to `stdout` it will be appended to the `#define` printed to the build script's `stdout`. If the compilation fails nothing will be printed. Look at the tests directory for examples.

32
libfuse/ecfd/build

@ -0,0 +1,32 @@
#!/bin/sh
PWD=$(pwd)
BASEPATH="${PWD}/${0%/*}"
CC=${CC:-cc}
OUTPUT="/dev/null"
echo "#ifndef CONFIG_H_INCLUDED"
echo "#define CONFIG_H_INCLUDED"
echo
IFS=
for file in "${BASEPATH}/tests/"*.c
do
binary="${file%.c}"
basename=$(basename ${binary})
${CC} -o "${binary}" "${file}" 1>&2
if [ $? -eq 0 ]; then
STDOUT=$(${binary})
if [ "${STDOUT}" != "" ]; then
echo "#define ${basename} ${STDOUT}"
else
echo "#define ${basename}"
fi
rm -f "${binary}"
fi
done
echo
echo "#endif"

10
libfuse/ecfd/tests/HAVE_FORK.c

@ -0,0 +1,10 @@
#include <sys/types.h>
#include <unistd.h>
int
main(void)
{
(void)fork;
return 0;
}

11
libfuse/ecfd/tests/HAVE_SPLICE.c

@ -0,0 +1,11 @@
#define _GNU_SOURCE
#include <fcntl.h>
int
main(int argc,
char *argv[])
{
(void)splice;
return 0;
}

14
libfuse/ecfd/tests/HAVE_STRUCT_STAT_ST_ATIM.c

@ -0,0 +1,14 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
int
main(int argc,
char *argv[])
{
struct stat st;
(void)st.st_atim;
return 0;
}

11
libfuse/ecfd/tests/HAVE_UTIMENSAT.c

@ -0,0 +1,11 @@
#include <fcntl.h>
#include <sys/stat.h>
int
main(int argc,
char *argv[])
{
(void)utimensat;
return 0;
}

12
libfuse/ecfd/tests/HAVE_VMSPLICE.c

@ -0,0 +1,12 @@
#define _GNU_SOURCE
#include <fcntl.h>
#include <sys/uio.h>
int
main(int argc,
char *argv[])
{
(void)vmsplice;
return 0;
}

4
libfuse/ecfd/tests/static_assert.h

@ -0,0 +1,4 @@
#pragma once
#define STATIC_ASSERT(condition) \
((void)sizeof(char[1 - 2*!(condition)]))

17
libfuse/example/Makefile.am

@ -1,17 +0,0 @@
## Process this file with automake to produce Makefile.in
AM_CPPFLAGS = -I$(top_srcdir)/include -D_FILE_OFFSET_BITS=64 -D_REENTRANT
noinst_HEADERS = fioc.h
noinst_PROGRAMS = fusexmp fusexmp_fh null hello hello_ll fioc fioclient \
fsel fselclient cusexmp
LDADD = ../lib/libfuse.la
fusexmp_fh_LDADD = ../lib/libfuse.la ../lib/libulockmgr.la
fioclient_CPPFLAGS =
fioclient_LDFLAGS =
fioclient_LDADD =
fselclient_CPPFLAGS =
fselclient_LDFLAGS =
fselclient_LDADD =

294
libfuse/example/cusexmp.c

@ -1,294 +0,0 @@
/*
CUSE example: Character device in Userspace
Copyright (C) 2008-2009 SUSE Linux Products GmbH
Copyright (C) 2008-2009 Tejun Heo <tj@kernel.org>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
gcc -Wall cusexmp.c `pkg-config fuse --cflags --libs` -o cusexmp
*/
#define FUSE_USE_VERSION 29
#include <cuse_lowlevel.h>
#include <fuse_opt.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include "fioc.h"
static void *cusexmp_buf;
static size_t cusexmp_size;
static const char *usage =
"usage: cusexmp [options]\n"
"\n"
"options:\n"
" --help|-h print this help message\n"
" --maj=MAJ|-M MAJ device major number\n"
" --min=MIN|-m MIN device minor number\n"
" --name=NAME|-n NAME device name (mandatory)\n"
"\n";
static int cusexmp_resize(size_t new_size)
{
void *new_buf;
if (new_size == cusexmp_size)
return 0;
new_buf = realloc(cusexmp_buf, new_size);
if (!new_buf && new_size)
return -ENOMEM;
if (new_size > cusexmp_size)
memset(new_buf + cusexmp_size, 0, new_size - cusexmp_size);
cusexmp_buf = new_buf;
cusexmp_size = new_size;
return 0;
}
static int cusexmp_expand(size_t new_size)
{
if (new_size > cusexmp_size)
return cusexmp_resize(new_size);
return 0;
}
static void cusexmp_open(fuse_req_t req, struct fuse_file_info *fi)
{
fuse_reply_open(req, fi);
}
static void cusexmp_read(fuse_req_t req, size_t size, off_t off,
struct fuse_file_info *fi)
{
(void)fi;
if (off >= cusexmp_size)
off = cusexmp_size;
if (size > cusexmp_size - off)
size = cusexmp_size - off;
fuse_reply_buf(req, cusexmp_buf + off, size);
}
static void cusexmp_write(fuse_req_t req, const char *buf, size_t size,
off_t off, struct fuse_file_info *fi)
{
(void)fi;
if (cusexmp_expand(off + size)) {
fuse_reply_err(req, ENOMEM);
return;
}
memcpy(cusexmp_buf + off, buf, size);
fuse_reply_write(req, size);
}
static void fioc_do_rw(fuse_req_t req, void *addr, const void *in_buf,
size_t in_bufsz, size_t out_bufsz, int is_read)
{
const struct fioc_rw_arg *arg;
struct iovec in_iov[2], out_iov[3], iov[3];
size_t cur_size;
/* read in arg */
in_iov[0].iov_base = addr;
in_iov[0].iov_len = sizeof(*arg);
if (!in_bufsz) {
fuse_reply_ioctl_retry(req, in_iov, 1, NULL, 0);
return;
}
arg = in_buf;
in_buf += sizeof(*arg);
in_bufsz -= sizeof(*arg);
/* prepare size outputs */
out_iov[0].iov_base =
addr + (unsigned long)&(((struct fioc_rw_arg *)0)->prev_size);
out_iov[0].iov_len = sizeof(arg->prev_size);
out_iov[1].iov_base =
addr + (unsigned long)&(((struct fioc_rw_arg *)0)->new_size);
out_iov[1].iov_len = sizeof(arg->new_size);
/* prepare client buf */
if (is_read) {
out_iov[2].iov_base = arg->buf;
out_iov[2].iov_len = arg->size;
if (!out_bufsz) {
fuse_reply_ioctl_retry(req, in_iov, 1, out_iov, 3);
return;
}
} else {
in_iov[1].iov_base = arg->buf;
in_iov[1].iov_len = arg->size;
if (arg->size && !in_bufsz) {
fuse_reply_ioctl_retry(req, in_iov, 2, out_iov, 2);
return;
}
}
/* we're all set */
cur_size = cusexmp_size;
iov[0].iov_base = &cur_size;
iov[0].iov_len = sizeof(cur_size);
iov[1].iov_base = &cusexmp_size;
iov[1].iov_len = sizeof(cusexmp_size);
if (is_read) {
size_t off = arg->offset;
size_t size = arg->size;
if (off >= cusexmp_size)
off = cusexmp_size;
if (size > cusexmp_size - off)
size = cusexmp_size - off;
iov[2].iov_base = cusexmp_buf + off;
iov[2].iov_len = size;
fuse_reply_ioctl_iov(req, size, iov, 3);
} else {
if (cusexmp_expand(arg->offset + in_bufsz)) {
fuse_reply_err(req, ENOMEM);
return;
}
memcpy(cusexmp_buf + arg->offset, in_buf, in_bufsz);
fuse_reply_ioctl_iov(req, in_bufsz, iov, 2);
}
}
static void cusexmp_ioctl(fuse_req_t req, int cmd, void *arg,
struct fuse_file_info *fi, unsigned flags,
const void *in_buf, size_t in_bufsz, size_t out_bufsz)
{
int is_read = 0;
(void)fi;
if (flags & FUSE_IOCTL_COMPAT) {
fuse_reply_err(req, ENOSYS);
return;
}
switch (cmd) {
case FIOC_GET_SIZE:
if (!out_bufsz) {
struct iovec iov = { arg, sizeof(size_t) };
fuse_reply_ioctl_retry(req, NULL, 0, &iov, 1);
} else
fuse_reply_ioctl(req, 0, &cusexmp_size,
sizeof(cusexmp_size));
break;
case FIOC_SET_SIZE:
if (!in_bufsz) {
struct iovec iov = { arg, sizeof(size_t) };
fuse_reply_ioctl_retry(req, &iov, 1, NULL, 0);
} else {
cusexmp_resize(*(size_t *)in_buf);
fuse_reply_ioctl(req, 0, NULL, 0);
}
break;
case FIOC_READ:
is_read = 1;
case FIOC_WRITE:
fioc_do_rw(req, arg, in_buf, in_bufsz, out_bufsz, is_read);
break;
default:
fuse_reply_err(req, EINVAL);
}
}
struct cusexmp_param {
unsigned major;
unsigned minor;
char *dev_name;
int is_help;
};
#define CUSEXMP_OPT(t, p) { t, offsetof(struct cusexmp_param, p), 1 }
static const struct fuse_opt cusexmp_opts[] = {
CUSEXMP_OPT("-M %u", major),
CUSEXMP_OPT("--maj=%u", major),
CUSEXMP_OPT("-m %u", minor),
CUSEXMP_OPT("--min=%u", minor),
CUSEXMP_OPT("-n %s", dev_name),
CUSEXMP_OPT("--name=%s", dev_name),
FUSE_OPT_KEY("-h", 0),
FUSE_OPT_KEY("--help", 0),
FUSE_OPT_END
};
static int cusexmp_process_arg(void *data, const char *arg, int key,
struct fuse_args *outargs)
{
struct cusexmp_param *param = data;
(void)outargs;
(void)arg;
switch (key) {
case 0:
param->is_help = 1;
fprintf(stderr, "%s", usage);
return fuse_opt_add_arg(outargs, "-ho");
default:
return 1;
}
}
static const struct cuse_lowlevel_ops cusexmp_clop = {
.open = cusexmp_open,
.read = cusexmp_read,
.write = cusexmp_write,
.ioctl = cusexmp_ioctl,
};
int main(int argc, char **argv)
{
struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
struct cusexmp_param param = { 0, 0, NULL, 0 };
char dev_name[128] = "DEVNAME=";
const char *dev_info_argv[] = { dev_name };
struct cuse_info ci;
if (fuse_opt_parse(&args, &param, cusexmp_opts, cusexmp_process_arg)) {
printf("failed to parse option\n");
return 1;
}
if (!param.is_help) {
if (!param.dev_name) {
fprintf(stderr, "Error: device name missing\n");
return 1;
}
strncat(dev_name, param.dev_name, sizeof(dev_name) - 9);
}
memset(&ci, 0, sizeof(ci));
ci.dev_major = param.major;
ci.dev_minor = param.minor;
ci.dev_info_argc = 1;
ci.dev_info_argv = dev_info_argv;
ci.flags = CUSE_UNRESTRICTED_IOCTL;
return cuse_lowlevel_main(args.argc, args.argv, &ci, &cusexmp_clop,
NULL);
}

211
libfuse/example/fioc.c

@ -1,211 +0,0 @@
/*
FUSE fioc: FUSE ioctl example
Copyright (C) 2008 SUSE Linux Products GmbH
Copyright (C) 2008 Tejun Heo <teheo@suse.de>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
gcc -Wall fioc.c `pkg-config fuse --cflags --libs` -o fioc
*/
#define FUSE_USE_VERSION 26
#include <fuse.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include <errno.h>
#include "fioc.h"
#define FIOC_NAME "fioc"
enum {
FIOC_NONE,
FIOC_ROOT,
FIOC_FILE,
};
static void *fioc_buf;
static size_t fioc_size;
static int fioc_resize(size_t new_size)
{
void *new_buf;
if (new_size == fioc_size)
return 0;
new_buf = realloc(fioc_buf, new_size);
if (!new_buf && new_size)
return -ENOMEM;
if (new_size > fioc_size)
memset(new_buf + fioc_size, 0, new_size - fioc_size);
fioc_buf = new_buf;
fioc_size = new_size;
return 0;
}
static int fioc_expand(size_t new_size)
{
if (new_size > fioc_size)
return fioc_resize(new_size);
return 0;
}
static int fioc_file_type(const char *path)
{
if (strcmp(path, "/") == 0)
return FIOC_ROOT;
if (strcmp(path, "/" FIOC_NAME) == 0)
return FIOC_FILE;
return FIOC_NONE;
}
static int fioc_getattr(const char *path, struct stat *stbuf)
{
stbuf->st_uid = getuid();
stbuf->st_gid = getgid();
stbuf->st_atime = stbuf->st_mtime = time(NULL);
switch (fioc_file_type(path)) {
case FIOC_ROOT:
stbuf->st_mode = S_IFDIR | 0755;
stbuf->st_nlink = 2;
break;
case FIOC_FILE:
stbuf->st_mode = S_IFREG | 0644;
stbuf->st_nlink = 1;
stbuf->st_size = fioc_size;
break;
case FIOC_NONE:
return -ENOENT;
}
return 0;
}
static int fioc_open(const char *path, struct fuse_file_info *fi)
{
(void) fi;
if (fioc_file_type(path) != FIOC_NONE)
return 0;
return -ENOENT;
}
static int fioc_do_read(char *buf, size_t size, off_t offset)
{
if (offset >= fioc_size)
return 0;
if (size > fioc_size - offset)
size = fioc_size - offset;
memcpy(buf, fioc_buf + offset, size);
return size;
}
static int fioc_read(const char *path, char *buf, size_t size,
off_t offset, struct fuse_file_info *fi)
{
(void) fi;
if (fioc_file_type(path) != FIOC_FILE)
return -EINVAL;
return fioc_do_read(buf, size, offset);
}
static int fioc_do_write(const char *buf, size_t size, off_t offset)
{
if (fioc_expand(offset + size))
return -ENOMEM;
memcpy(fioc_buf + offset, buf, size);
return size;
}
static int fioc_write(const char *path, const char *buf, size_t size,
off_t offset, struct fuse_file_info *fi)
{
(void) fi;
if (fioc_file_type(path) != FIOC_FILE)
return -EINVAL;
return fioc_do_write(buf, size, offset);
}
static int fioc_truncate(const char *path, off_t size)
{
if (fioc_file_type(path) != FIOC_FILE)
return -EINVAL;
return fioc_resize(size);
}
static int fioc_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
(void) fi;
(void) offset;
if (fioc_file_type(path) != FIOC_ROOT)
return -ENOENT;
filler(buf, ".", NULL, 0);
filler(buf, "..", NULL, 0);
filler(buf, FIOC_NAME, NULL, 0);
return 0;
}
static int fioc_ioctl(const char *path, int cmd, void *arg,
struct fuse_file_info *fi, unsigned int flags, void *data)
{
(void) arg;
(void) fi;
(void) flags;
if (fioc_file_type(path) != FIOC_FILE)
return -EINVAL;
if (flags & FUSE_IOCTL_COMPAT)
return -ENOSYS;
switch (cmd) {
case FIOC_GET_SIZE:
*(size_t *)data = fioc_size;
return 0;
case FIOC_SET_SIZE:
fioc_resize(*(size_t *)data);
return 0;
}
return -EINVAL;
}
static struct fuse_operations fioc_oper = {
.getattr = fioc_getattr,
.readdir = fioc_readdir,
.truncate = fioc_truncate,
.open = fioc_open,
.read = fioc_read,
.write = fioc_write,
.ioctl = fioc_ioctl,
};
int main(int argc, char *argv[])
{
return fuse_main(argc, argv, &fioc_oper, NULL);
}

32
libfuse/example/fioc.h

@ -1,32 +0,0 @@
/*
FUSE-ioctl: ioctl support for FUSE
Copyright (C) 2008 SUSE Linux Products GmbH
Copyright (C) 2008 Tejun Heo <teheo@suse.de>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
*/
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/ioctl.h>
enum {
FIOC_GET_SIZE = _IOR('E', 0, size_t),
FIOC_SET_SIZE = _IOW('E', 1, size_t),
/*
* The following two ioctls don't follow usual encoding rules
* and transfer variable amount of data.
*/
FIOC_READ = _IO('E', 2),
FIOC_WRITE = _IO('E', 3),
};
struct fioc_rw_arg {
off_t offset;
void *buf;
size_t size;
size_t prev_size; /* out param for previous total size */
size_t new_size; /* out param for new total size */
};

122
libfuse/example/fioclient.c

@ -1,122 +0,0 @@
/*
FUSE fioclient: FUSE ioctl example client
Copyright (C) 2008 SUSE Linux Products GmbH
Copyright (C) 2008 Tejun Heo <teheo@suse.de>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
gcc -Wall fioclient.c -o fioclient
*/
#include <sys/types.h>
#include <sys/fcntl.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include "fioc.h"
const char *usage =
"Usage: fioclient FIOC_FILE COMMAND\n"
"\n"
"COMMANDS\n"
" s [SIZE] : get size if SIZE is omitted, set size otherwise\n"
" r SIZE [OFF] : read SIZE bytes @ OFF (dfl 0) and output to stdout\n"
" w SIZE [OFF] : write SIZE bytes @ OFF (dfl 0) from stdin\n"
"\n";
static int do_rw(int fd, int is_read, size_t size, off_t offset,
size_t *prev_size, size_t *new_size)
{
struct fioc_rw_arg arg = { .offset = offset };
ssize_t ret;
arg.buf = calloc(1, size);
if (!arg.buf) {
fprintf(stderr, "failed to allocated %zu bytes\n", size);
return -1;
}
if (is_read) {
arg.size = size;
ret = ioctl(fd, FIOC_READ, &arg);
if (ret >= 0)
fwrite(arg.buf, 1, ret, stdout);
} else {
arg.size = fread(arg.buf, 1, size, stdin);
fprintf(stderr, "Writing %zu bytes\n", arg.size);
ret = ioctl(fd, FIOC_WRITE, &arg);
}
if (ret >= 0) {
*prev_size = arg.prev_size;
*new_size = arg.new_size;
} else
perror("ioctl");
free(arg.buf);
return ret;
}
int main(int argc, char **argv)
{
size_t param[2] = { };
size_t size, prev_size = 0, new_size = 0;
char cmd;
int fd, i, rc;
if (argc < 3)
goto usage;
fd = open(argv[1], O_RDWR);
if (fd < 0) {
perror("open");
return 1;
}
cmd = tolower(argv[2][0]);
argc -= 3;
argv += 3;
for (i = 0; i < argc; i++) {
char *endp;
param[i] = strtoul(argv[i], &endp, 0);
if (endp == argv[i] || *endp != '\0')
goto usage;
}
switch (cmd) {
case 's':
if (!argc) {
if (ioctl(fd, FIOC_GET_SIZE, &size)) {
perror("ioctl");
return 1;
}
printf("%zu\n", size);
} else {
size = param[0];
if (ioctl(fd, FIOC_SET_SIZE, &size)) {
perror("ioctl");
return 1;
}
}
return 0;
case 'r':
case 'w':
rc = do_rw(fd, cmd == 'r', param[0], param[1],
&prev_size, &new_size);
if (rc < 0)
return 1;
fprintf(stderr, "transferred %d bytes (%zu -> %zu)\n",
rc, prev_size, new_size);
return 0;
}
usage:
fprintf(stderr, "%s", usage);
return 1;
}

278
libfuse/example/fsel.c

@ -1,278 +0,0 @@
/*
FUSE fsel: FUSE select example
Copyright (C) 2008 SUSE Linux Products GmbH
Copyright (C) 2008 Tejun Heo <teheo@suse.de>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
gcc -Wall fsel.c `pkg-config fuse --cflags --libs` -o fsel
*/
#define FUSE_USE_VERSION 29
#include <fuse.h>
#include <unistd.h>
#include <ctype.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <time.h>
#include <pthread.h>
#include <poll.h>
/*
* fsel_open_mask is used to limit the number of opens to 1 per file.
* This is to use file index (0-F) as fh as poll support requires
* unique fh per open file. Lifting this would require proper open
* file management.
*/
static unsigned fsel_open_mask;
static const char fsel_hex_map[] = "0123456789ABCDEF";
static struct fuse *fsel_fuse; /* needed for poll notification */
#define FSEL_CNT_MAX 10 /* each file can store upto 10 chars */
#define FSEL_FILES 16
static pthread_mutex_t fsel_mutex; /* protects notify_mask and cnt array */
static unsigned fsel_poll_notify_mask; /* poll notification scheduled? */
static struct fuse_pollhandle *fsel_poll_handle[FSEL_FILES]; /* poll notify handles */
static unsigned fsel_cnt[FSEL_FILES]; /* nbytes stored in each file */
static int fsel_path_index(const char *path)
{
char ch = path[1];
if (strlen(path) != 2 || path[0] != '/' || !isxdigit(ch) || islower(ch))
return -1;
return ch <= '9' ? ch - '0' : ch - 'A' + 10;
}
static int fsel_getattr(const char *path, struct stat *stbuf)
{
int idx;
memset(stbuf, 0, sizeof(struct stat));
if (strcmp(path, "/") == 0) {
stbuf->st_mode = S_IFDIR | 0555;
stbuf->st_nlink = 2;
return 0;
}
idx = fsel_path_index(path);
if (idx < 0)
return -ENOENT;
stbuf->st_mode = S_IFREG | 0444;
stbuf->st_nlink = 1;
stbuf->st_size = fsel_cnt[idx];
return 0;
}
static int fsel_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
char name[2] = { };
int i;
(void) offset;
(void) fi;
if (strcmp(path, "/") != 0)
return -ENOENT;
for (i = 0; i < FSEL_FILES; i++) {
name[0] = fsel_hex_map[i];
filler(buf, name, NULL, 0);
}
return 0;
}
static int fsel_open(const char *path, struct fuse_file_info *fi)
{
int idx = fsel_path_index(path);
if (idx < 0)
return -ENOENT;
if ((fi->flags & 3) != O_RDONLY)
return -EACCES;
if (fsel_open_mask & (1 << idx))
return -EBUSY;
fsel_open_mask |= (1 << idx);
/*
* fsel files are nonseekable somewhat pipe-like files which
* gets filled up periodically by producer thread and consumed
* on read. Tell FUSE as such.
*/
fi->fh = idx;
fi->direct_io = 1;
fi->nonseekable = 1;
return 0;
}
static int fsel_release(const char *path, struct fuse_file_info *fi)
{
int idx = fi->fh;
(void) path;
fsel_open_mask &= ~(1 << idx);
return 0;
}
static int fsel_read(const char *path, char *buf, size_t size, off_t offset,
struct fuse_file_info *fi)
{
int idx = fi->fh;
(void) path;
(void) offset;
pthread_mutex_lock(&fsel_mutex);
if (fsel_cnt[idx] < size)
size = fsel_cnt[idx];
printf("READ %X transferred=%zu cnt=%u\n", idx, size, fsel_cnt[idx]);
fsel_cnt[idx] -= size;
pthread_mutex_unlock(&fsel_mutex);
memset(buf, fsel_hex_map[idx], size);
return size;
}
static int fsel_poll(const char *path, struct fuse_file_info *fi,
struct fuse_pollhandle *ph, unsigned *reventsp)
{
static unsigned polled_zero;
int idx = fi->fh;
(void) path;
/*
* Poll notification requires pointer to struct fuse which
* can't be obtained when using fuse_main(). As notification
* happens only after poll is called, fill it here from
* fuse_context.
*/
if (!fsel_fuse) {
struct fuse_context *cxt = fuse_get_context();
if (cxt)
fsel_fuse = cxt->fuse;
}
pthread_mutex_lock(&fsel_mutex);
if (ph != NULL) {
struct fuse_pollhandle *oldph = fsel_poll_handle[idx];
if (oldph)
fuse_pollhandle_destroy(oldph);
fsel_poll_notify_mask |= (1 << idx);
fsel_poll_handle[idx] = ph;
}
if (fsel_cnt[idx]) {
*reventsp |= POLLIN;
printf("POLL %X cnt=%u polled_zero=%u\n",
idx, fsel_cnt[idx], polled_zero);
polled_zero = 0;
} else
polled_zero++;
pthread_mutex_unlock(&fsel_mutex);
return 0;
}
static struct fuse_operations fsel_oper = {
.getattr = fsel_getattr,
.readdir = fsel_readdir,
.open = fsel_open,
.release = fsel_release,
.read = fsel_read,
.poll = fsel_poll,
};
static void *fsel_producer(void *data)
{
const struct timespec interval = { 0, 250000000 };
unsigned idx = 0, nr = 1;
(void) data;
while (1) {
int i, t;
pthread_mutex_lock(&fsel_mutex);
/*
* This is the main producer loop which is executed
* ever 500ms. On each iteration, it fills one byte
* to 1, 2 or 4 files and sends poll notification if
* requested.
*/
for (i = 0, t = idx; i < nr;
i++, t = (t + FSEL_FILES / nr) % FSEL_FILES) {
if (fsel_cnt[t] == FSEL_CNT_MAX)
continue;
fsel_cnt[t]++;
if (fsel_fuse && (fsel_poll_notify_mask & (1 << t))) {
struct fuse_pollhandle *ph;
printf("NOTIFY %X\n", t);
ph = fsel_poll_handle[t];
fuse_notify_poll(ph);
fuse_pollhandle_destroy(ph);
fsel_poll_notify_mask &= ~(1 << t);
fsel_poll_handle[t] = NULL;
}
}
idx = (idx + 1) % FSEL_FILES;
if (idx == 0)
nr = (nr * 2) % 7; /* cycle through 1, 2 and 4 */
pthread_mutex_unlock(&fsel_mutex);
nanosleep(&interval, NULL);
}
return NULL;
}
int main(int argc, char *argv[])
{
pthread_t producer;
pthread_attr_t attr;
int ret;
errno = pthread_mutex_init(&fsel_mutex, NULL);
if (errno) {
perror("pthread_mutex_init");
return 1;
}
errno = pthread_attr_init(&attr);
if (errno) {
perror("pthread_attr_init");
return 1;
}
errno = pthread_create(&producer, &attr, fsel_producer, NULL);
if (errno) {
perror("pthread_create");
return 1;
}
ret = fuse_main(argc, argv, &fsel_oper, NULL);
pthread_cancel(producer);
pthread_join(producer, NULL);
return ret;
}

72
libfuse/example/fselclient.c

@ -1,72 +0,0 @@
/*
FUSE fselclient: FUSE select example client
Copyright (C) 2008 SUSE Linux Products GmbH
Copyright (C) 2008 Tejun Heo <teheo@suse.de>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
gcc -Wall fselclient.c -o fselclient
*/
#include <sys/select.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#define FSEL_FILES 16
int main(void)
{
static const char hex_map[FSEL_FILES] = "0123456789ABCDEF";
int fds[FSEL_FILES];
int i, nfds;
for (i = 0; i < FSEL_FILES; i++) {
char name[] = { hex_map[i], '\0' };
fds[i] = open(name, O_RDONLY);
if (fds[i] < 0) {
perror("open");
return 1;
}
}
nfds = fds[FSEL_FILES - 1] + 1;
while (1) {
static char buf[4096];
fd_set rfds;
int rc;
FD_ZERO(&rfds);
for (i = 0; i < FSEL_FILES; i++)
FD_SET(fds[i], &rfds);
rc = select(nfds, &rfds, NULL, NULL, NULL);
if (rc < 0) {
perror("select");
return 1;
}
for (i = 0; i < FSEL_FILES; i++) {
if (!FD_ISSET(fds[i], &rfds)) {
printf("_: ");
continue;
}
printf("%X:", i);
rc = read(fds[i], buf, sizeof(buf));
if (rc < 0) {
perror("read");
return 1;
}
printf("%02d ", rc);
}
printf("\n");
}
}

412
libfuse/example/fusexmp.c

@ -1,412 +0,0 @@
/*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
Copyright (C) 2011 Sebastian Pipping <sebastian@pipping.org>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
gcc -Wall fusexmp.c `pkg-config fuse --cflags --libs` -o fusexmp
*/
#define FUSE_USE_VERSION 26
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef linux
/* For pread()/pwrite()/utimensat() */
#define _XOPEN_SOURCE 700
#endif
#include <fuse.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <dirent.h>
#include <errno.h>
#include <sys/time.h>
#ifdef HAVE_SETXATTR
#include <sys/xattr.h>
#endif
static int xmp_getattr(const char *path, struct stat *stbuf)
{
int res;
res = lstat(path, stbuf);
if (res == -1)
return -errno;
return 0;
}
static int xmp_access(const char *path, int mask)
{
int res;
res = access(path, mask);
if (res == -1)
return -errno;
return 0;
}
static int xmp_readlink(const char *path, char *buf, size_t size)
{
int res;
res = readlink(path, buf, size - 1);
if (res == -1)
return -errno;
buf[res] = '\0';
return 0;
}
static int xmp_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
DIR *dp;
struct dirent *de;
(void) offset;
(void) fi;
dp = opendir(path);
if (dp == NULL)
return -errno;
while ((de = readdir(dp)) != NULL) {
struct stat st;
memset(&st, 0, sizeof(st));
st.st_ino = de->d_ino;
st.st_mode = de->d_type << 12;
if (filler(buf, de->d_name, &st, 0))
break;
}
closedir(dp);
return 0;
}
static int xmp_mknod(const char *path, mode_t mode, dev_t rdev)
{
int res;
/* On Linux this could just be 'mknod(path, mode, rdev)' but this
is more portable */
if (S_ISREG(mode)) {
res = open(path, O_CREAT | O_EXCL | O_WRONLY, mode);
if (res >= 0)
res = close(res);
} else if (S_ISFIFO(mode))
res = mkfifo(path, mode);
else
res = mknod(path, mode, rdev);
if (res == -1)
return -errno;
return 0;
}
static int xmp_mkdir(const char *path, mode_t mode)
{
int res;
res = mkdir(path, mode);
if (res == -1)
return -errno;
return 0;
}
static int xmp_unlink(const char *path)
{
int res;
res = unlink(path);
if (res == -1)
return -errno;
return 0;
}
static int xmp_rmdir(const char *path)
{
int res;
res = rmdir(path);
if (res == -1)
return -errno;
return 0;
}
static int xmp_symlink(const char *from, const char *to)
{
int res;
res = symlink(from, to);
if (res == -1)
return -errno;
return 0;
}
static int xmp_rename(const char *from, const char *to)
{
int res;
res = rename(from, to);
if (res == -1)
return -errno;
return 0;
}
static int xmp_link(const char *from, const char *to)
{
int res;
res = link(from, to);
if (res == -1)
return -errno;
return 0;
}
static int xmp_chmod(const char *path, mode_t mode)
{
int res;
res = chmod(path, mode);
if (res == -1)
return -errno;
return 0;
}
static int xmp_chown(const char *path, uid_t uid, gid_t gid)
{
int res;
res = lchown(path, uid, gid);
if (res == -1)
return -errno;
return 0;
}
static int xmp_truncate(const char *path, off_t size)
{
int res;
res = truncate(path, size);
if (res == -1)
return -errno;
return 0;
}
#ifdef HAVE_UTIMENSAT
static int xmp_utimens(const char *path, const struct timespec ts[2])
{
int res;
/* don't use utime/utimes since they follow symlinks */
res = utimensat(0, path, ts, AT_SYMLINK_NOFOLLOW);
if (res == -1)
return -errno;
return 0;
}
#endif
static int xmp_open(const char *path, struct fuse_file_info *fi)
{
int res;
res = open(path, fi->flags);
if (res == -1)
return -errno;
close(res);
return 0;
}
static int xmp_read(const char *path, char *buf, size_t size, off_t offset,
struct fuse_file_info *fi)
{
int fd;
int res;
(void) fi;
fd = open(path, O_RDONLY);
if (fd == -1)
return -errno;
res = pread(fd, buf, size, offset);
if (res == -1)
res = -errno;
close(fd);
return res;
}
static int xmp_write(const char *path, const char *buf, size_t size,
off_t offset, struct fuse_file_info *fi)
{
int fd;
int res;
(void) fi;
fd = open(path, O_WRONLY);
if (fd == -1)
return -errno;
res = pwrite(fd, buf, size, offset);
if (res == -1)
res = -errno;
close(fd);
return res;
}
static int xmp_statfs(const char *path, struct statvfs *stbuf)
{
int res;
res = statvfs(path, stbuf);
if (res == -1)
return -errno;
return 0;
}
static int xmp_release(const char *path, struct fuse_file_info *fi)
{
/* Just a stub. This method is optional and can safely be left
unimplemented */
(void) path;
(void) fi;
return 0;
}
static int xmp_fsync(const char *path, int isdatasync,
struct fuse_file_info *fi)
{
/* Just a stub. This method is optional and can safely be left
unimplemented */
(void) path;
(void) isdatasync;
(void) fi;
return 0;
}
#ifdef HAVE_POSIX_FALLOCATE
static int xmp_fallocate(const char *path, int mode,
off_t offset, off_t length, struct fuse_file_info *fi)
{
int fd;
int res;
(void) fi;
if (mode)
return -EOPNOTSUPP;
fd = open(path, O_WRONLY);
if (fd == -1)
return -errno;
res = -posix_fallocate(fd, offset, length);
close(fd);
return res;
}
#endif
#ifdef HAVE_SETXATTR
/* xattr operations are optional and can safely be left unimplemented */
static int xmp_setxattr(const char *path, const char *name, const char *value,
size_t size, int flags)
{
int res = lsetxattr(path, name, value, size, flags);
if (res == -1)
return -errno;
return 0;
}
static int xmp_getxattr(const char *path, const char *name, char *value,
size_t size)
{
int res = lgetxattr(path, name, value, size);
if (res == -1)
return -errno;
return res;
}
static int xmp_listxattr(const char *path, char *list, size_t size)
{
int res = llistxattr(path, list, size);
if (res == -1)
return -errno;
return res;
}
static int xmp_removexattr(const char *path, const char *name)
{
int res = lremovexattr(path, name);
if (res == -1)
return -errno;
return 0;
}
#endif /* HAVE_SETXATTR */
static struct fuse_operations xmp_oper = {
.getattr = xmp_getattr,
.access = xmp_access,
.readlink = xmp_readlink,
.readdir = xmp_readdir,
.mknod = xmp_mknod,
.mkdir = xmp_mkdir,
.symlink = xmp_symlink,
.unlink = xmp_unlink,
.rmdir = xmp_rmdir,
.rename = xmp_rename,
.link = xmp_link,
.chmod = xmp_chmod,
.chown = xmp_chown,
.truncate = xmp_truncate,
#ifdef HAVE_UTIMENSAT
.utimens = xmp_utimens,
#endif
.open = xmp_open,
.read = xmp_read,
.write = xmp_write,
.statfs = xmp_statfs,
.release = xmp_release,
.fsync = xmp_fsync,
#ifdef HAVE_POSIX_FALLOCATE
.fallocate = xmp_fallocate,
#endif
#ifdef HAVE_SETXATTR
.setxattr = xmp_setxattr,
.getxattr = xmp_getxattr,
.listxattr = xmp_listxattr,
.removexattr = xmp_removexattr,
#endif
};
int main(int argc, char *argv[])
{
umask(0);
return fuse_main(argc, argv, &xmp_oper, NULL);
}

567
libfuse/example/fusexmp_fh.c

@ -1,567 +0,0 @@
/*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
Copyright (C) 2011 Sebastian Pipping <sebastian@pipping.org>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
gcc -Wall fusexmp_fh.c `pkg-config fuse --cflags --libs` -lulockmgr -o fusexmp_fh
*/
#define FUSE_USE_VERSION 26
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <fuse.h>
#include <ulockmgr.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <dirent.h>
#include <errno.h>
#include <sys/time.h>
#ifdef HAVE_SETXATTR
#include <sys/xattr.h>
#endif
#include <sys/file.h> /* flock(2) */
static int xmp_getattr(const char *path, struct stat *stbuf)
{
int res;
res = lstat(path, stbuf);
if (res == -1)
return -errno;
return 0;
}
static int xmp_fgetattr(const char *path, struct stat *stbuf,
struct fuse_file_info *fi)
{
int res;
(void) path;
res = fstat(fi->fh, stbuf);
if (res == -1)
return -errno;
return 0;
}
static int xmp_access(const char *path, int mask)
{
int res;
res = access(path, mask);
if (res == -1)
return -errno;
return 0;
}
static int xmp_readlink(const char *path, char *buf, size_t size)
{
int res;
res = readlink(path, buf, size - 1);
if (res == -1)
return -errno;
buf[res] = '\0';
return 0;
}
struct xmp_dirp {
DIR *dp;
struct dirent *entry;
off_t offset;
};
static int xmp_opendir(const char *path, struct fuse_file_info *fi)
{
int res;
struct xmp_dirp *d = malloc(sizeof(struct xmp_dirp));
if (d == NULL)
return -ENOMEM;
d->dp = opendir(path);
if (d->dp == NULL) {
res = -errno;
free(d);
return res;
}
d->offset = 0;
d->entry = NULL;
fi->fh = (unsigned long) d;
return 0;
}
static inline struct xmp_dirp *get_dirp(struct fuse_file_info *fi)
{
return (struct xmp_dirp *) (uintptr_t) fi->fh;
}
static int xmp_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
struct xmp_dirp *d = get_dirp(fi);
(void) path;
if (offset != d->offset) {
seekdir(d->dp, offset);
d->entry = NULL;
d->offset = offset;
}
while (1) {
struct stat st;
off_t nextoff;
if (!d->entry) {
d->entry = readdir(d->dp);
if (!d->entry)
break;
}
memset(&st, 0, sizeof(st));
st.st_ino = d->entry->d_ino;
st.st_mode = d->entry->d_type << 12;
nextoff = telldir(d->dp);
if (filler(buf, d->entry->d_name, &st, nextoff))
break;
d->entry = NULL;
d->offset = nextoff;
}
return 0;
}
static int xmp_releasedir(const char *path, struct fuse_file_info *fi)
{
struct xmp_dirp *d = get_dirp(fi);
(void) path;
closedir(d->dp);
free(d);
return 0;
}
static int xmp_mknod(const char *path, mode_t mode, dev_t rdev)
{
int res;
if (S_ISFIFO(mode))
res = mkfifo(path, mode);
else
res = mknod(path, mode, rdev);
if (res == -1)
return -errno;
return 0;
}
static int xmp_mkdir(const char *path, mode_t mode)
{
int res;
res = mkdir(path, mode);
if (res == -1)
return -errno;
return 0;
}
static int xmp_unlink(const char *path)
{
int res;
res = unlink(path);
if (res == -1)
return -errno;
return 0;
}
static int xmp_rmdir(const char *path)
{
int res;
res = rmdir(path);
if (res == -1)
return -errno;
return 0;
}
static int xmp_symlink(const char *from, const char *to)
{
int res;
res = symlink(from, to);
if (res == -1)
return -errno;
return 0;
}
static int xmp_rename(const char *from, const char *to)
{
int res;
res = rename(from, to);
if (res == -1)
return -errno;
return 0;
}
static int xmp_link(const char *from, const char *to)
{
int res;
res = link(from, to);
if (res == -1)
return -errno;
return 0;
}
static int xmp_chmod(const char *path, mode_t mode)
{
int res;
res = chmod(path, mode);
if (res == -1)
return -errno;
return 0;
}
static int xmp_chown(const char *path, uid_t uid, gid_t gid)
{
int res;
res = lchown(path, uid, gid);
if (res == -1)
return -errno;
return 0;
}
static int xmp_truncate(const char *path, off_t size)
{
int res;
res = truncate(path, size);
if (res == -1)
return -errno;
return 0;
}
static int xmp_ftruncate(const char *path, off_t size,
struct fuse_file_info *fi)
{
int res;
(void) path;
res = ftruncate(fi->fh, size);
if (res == -1)
return -errno;
return 0;
}
#ifdef HAVE_UTIMENSAT
static int xmp_utimens(const char *path, const struct timespec ts[2])
{
int res;
/* don't use utime/utimes since they follow symlinks */
res = utimensat(0, path, ts, AT_SYMLINK_NOFOLLOW);
if (res == -1)
return -errno;
return 0;
}
#endif
static int xmp_create(const char *path, mode_t mode, struct fuse_file_info *fi)
{
int fd;
fd = open(path, fi->flags, mode);
if (fd == -1)
return -errno;
fi->fh = fd;
return 0;
}
static int xmp_open(const char *path, struct fuse_file_info *fi)
{
int fd;
fd = open(path, fi->flags);
if (fd == -1)
return -errno;
fi->fh = fd;
return 0;
}
static int xmp_read(const char *path, char *buf, size_t size, off_t offset,
struct fuse_file_info *fi)
{
int res;
(void) path;
res = pread(fi->fh, buf, size, offset);
if (res == -1)
res = -errno;
return res;
}
static int xmp_read_buf(const char *path, struct fuse_bufvec **bufp,
size_t size, off_t offset, struct fuse_file_info *fi)
{
struct fuse_bufvec *src;
(void) path;
src = malloc(sizeof(struct fuse_bufvec));
if (src == NULL)
return -ENOMEM;
*src = FUSE_BUFVEC_INIT(size);
src->buf[0].flags = FUSE_BUF_IS_FD | FUSE_BUF_FD_SEEK;
src->buf[0].fd = fi->fh;
src->buf[0].pos = offset;
*bufp = src;
return 0;
}
static int xmp_write(const char *path, const char *buf, size_t size,
off_t offset, struct fuse_file_info *fi)
{
int res;
(void) path;
res = pwrite(fi->fh, buf, size, offset);
if (res == -1)
res = -errno;
return res;
}
static int xmp_write_buf(const char *path, struct fuse_bufvec *buf,
off_t offset, struct fuse_file_info *fi)
{
struct fuse_bufvec dst = FUSE_BUFVEC_INIT(fuse_buf_size(buf));
(void) path;
dst.buf[0].flags = FUSE_BUF_IS_FD | FUSE_BUF_FD_SEEK;
dst.buf[0].fd = fi->fh;
dst.buf[0].pos = offset;
return fuse_buf_copy(&dst, buf, FUSE_BUF_SPLICE_NONBLOCK);
}
static int xmp_statfs(const char *path, struct statvfs *stbuf)
{
int res;
res = statvfs(path, stbuf);
if (res == -1)
return -errno;
return 0;
}
static int xmp_flush(const char *path, struct fuse_file_info *fi)
{
int res;
(void) path;
/* This is called from every close on an open file, so call the
close on the underlying filesystem. But since flush may be
called multiple times for an open file, this must not really
close the file. This is important if used on a network
filesystem like NFS which flush the data/metadata on close() */
res = close(dup(fi->fh));
if (res == -1)
return -errno;
return 0;
}
static int xmp_release(const char *path, struct fuse_file_info *fi)
{
(void) path;
close(fi->fh);
return 0;
}
static int xmp_fsync(const char *path, int isdatasync,
struct fuse_file_info *fi)
{
int res;
(void) path;
#ifndef HAVE_FDATASYNC
(void) isdatasync;
#else
if (isdatasync)
res = fdatasync(fi->fh);
else
#endif
res = fsync(fi->fh);
if (res == -1)
return -errno;
return 0;
}
#ifdef HAVE_POSIX_FALLOCATE
static int xmp_fallocate(const char *path, int mode,
off_t offset, off_t length, struct fuse_file_info *fi)
{
(void) path;
if (mode)
return -EOPNOTSUPP;
return -posix_fallocate(fi->fh, offset, length);
}
#endif
#ifdef HAVE_SETXATTR
/* xattr operations are optional and can safely be left unimplemented */
static int xmp_setxattr(const char *path, const char *name, const char *value,
size_t size, int flags)
{
int res = lsetxattr(path, name, value, size, flags);
if (res == -1)
return -errno;
return 0;
}
static int xmp_getxattr(const char *path, const char *name, char *value,
size_t size)
{
int res = lgetxattr(path, name, value, size);
if (res == -1)
return -errno;
return res;
}
static int xmp_listxattr(const char *path, char *list, size_t size)
{
int res = llistxattr(path, list, size);
if (res == -1)
return -errno;
return res;
}
static int xmp_removexattr(const char *path, const char *name)
{
int res = lremovexattr(path, name);
if (res == -1)
return -errno;
return 0;
}
#endif /* HAVE_SETXATTR */
static int xmp_lock(const char *path, struct fuse_file_info *fi, int cmd,
struct flock *lock)
{
(void) path;
return ulockmgr_op(fi->fh, cmd, lock, &fi->lock_owner,
sizeof(fi->lock_owner));
}
static int xmp_flock(const char *path, struct fuse_file_info *fi, int op)
{
int res;
(void) path;
res = flock(fi->fh, op);
if (res == -1)
return -errno;
return 0;
}
static struct fuse_operations xmp_oper = {
.getattr = xmp_getattr,
.fgetattr = xmp_fgetattr,
.access = xmp_access,
.readlink = xmp_readlink,
.opendir = xmp_opendir,
.readdir = xmp_readdir,
.releasedir = xmp_releasedir,
.mknod = xmp_mknod,
.mkdir = xmp_mkdir,
.symlink = xmp_symlink,
.unlink = xmp_unlink,
.rmdir = xmp_rmdir,
.rename = xmp_rename,
.link = xmp_link,
.chmod = xmp_chmod,
.chown = xmp_chown,
.truncate = xmp_truncate,
.ftruncate = xmp_ftruncate,
#ifdef HAVE_UTIMENSAT
.utimens = xmp_utimens,
#endif
.create = xmp_create,
.open = xmp_open,
.read = xmp_read,
.read_buf = xmp_read_buf,
.write = xmp_write,
.write_buf = xmp_write_buf,
.statfs = xmp_statfs,
.flush = xmp_flush,
.release = xmp_release,
.fsync = xmp_fsync,
#ifdef HAVE_POSIX_FALLOCATE
.fallocate = xmp_fallocate,
#endif
#ifdef HAVE_SETXATTR
.setxattr = xmp_setxattr,
.getxattr = xmp_getxattr,
.listxattr = xmp_listxattr,
.removexattr = xmp_removexattr,
#endif
.lock = xmp_lock,
.flock = xmp_flock,
.flag_nullpath_ok = 1,
#if HAVE_UTIMENSAT
.flag_utime_omit_ok = 1,
#endif
};
int main(int argc, char *argv[])
{
umask(0);
return fuse_main(argc, argv, &xmp_oper, NULL);
}

96
libfuse/example/hello.c

@ -1,96 +0,0 @@
/*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
gcc -Wall hello.c `pkg-config fuse --cflags --libs` -o hello
*/
#define FUSE_USE_VERSION 26
#include <fuse.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
static const char *hello_str = "Hello World!\n";
static const char *hello_path = "/hello";
static int hello_getattr(const char *path, struct stat *stbuf)
{
int res = 0;
memset(stbuf, 0, sizeof(struct stat));
if (strcmp(path, "/") == 0) {
stbuf->st_mode = S_IFDIR | 0755;
stbuf->st_nlink = 2;
} else if (strcmp(path, hello_path) == 0) {
stbuf->st_mode = S_IFREG | 0444;
stbuf->st_nlink = 1;
stbuf->st_size = strlen(hello_str);
} else
res = -ENOENT;
return res;
}
static int hello_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
(void) offset;
(void) fi;
if (strcmp(path, "/") != 0)
return -ENOENT;
filler(buf, ".", NULL, 0);
filler(buf, "..", NULL, 0);
filler(buf, hello_path + 1, NULL, 0);
return 0;
}
static int hello_open(const char *path, struct fuse_file_info *fi)
{
if (strcmp(path, hello_path) != 0)
return -ENOENT;
if ((fi->flags & 3) != O_RDONLY)
return -EACCES;
return 0;
}
static int hello_read(const char *path, char *buf, size_t size, off_t offset,
struct fuse_file_info *fi)
{
size_t len;
(void) fi;
if(strcmp(path, hello_path) != 0)
return -ENOENT;
len = strlen(hello_str);
if (offset < len) {
if (offset + size > len)
size = len - offset;
memcpy(buf, hello_str + offset, size);
} else
size = 0;
return size;
}
static struct fuse_operations hello_oper = {
.getattr = hello_getattr,
.readdir = hello_readdir,
.open = hello_open,
.read = hello_read,
};
int main(int argc, char *argv[])
{
return fuse_main(argc, argv, &hello_oper, NULL);
}

181
libfuse/example/hello_ll.c

@ -1,181 +0,0 @@
/*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
gcc -Wall hello_ll.c `pkg-config fuse --cflags --libs` -o hello_ll
*/
#define FUSE_USE_VERSION 26
#include <fuse_lowlevel.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <assert.h>
static const char *hello_str = "Hello World!\n";
static const char *hello_name = "hello";
static int hello_stat(fuse_ino_t ino, struct stat *stbuf)
{
stbuf->st_ino = ino;
switch (ino) {
case 1:
stbuf->st_mode = S_IFDIR | 0755;
stbuf->st_nlink = 2;
break;
case 2:
stbuf->st_mode = S_IFREG | 0444;
stbuf->st_nlink = 1;
stbuf->st_size = strlen(hello_str);
break;
default:
return -1;
}
return 0;
}
static void hello_ll_getattr(fuse_req_t req, fuse_ino_t ino,
struct fuse_file_info *fi)
{
struct stat stbuf;
(void) fi;
memset(&stbuf, 0, sizeof(stbuf));
if (hello_stat(ino, &stbuf) == -1)
fuse_reply_err(req, ENOENT);
else
fuse_reply_attr(req, &stbuf, 1.0);
}
static void hello_ll_lookup(fuse_req_t req, fuse_ino_t parent, const char *name)
{
struct fuse_entry_param e;
if (parent != 1 || strcmp(name, hello_name) != 0)
fuse_reply_err(req, ENOENT);
else {
memset(&e, 0, sizeof(e));
e.ino = 2;
e.attr_timeout = 1.0;
e.entry_timeout = 1.0;
hello_stat(e.ino, &e.attr);
fuse_reply_entry(req, &e);
}
}
struct dirbuf {
char *p;
size_t size;
};
static void dirbuf_add(fuse_req_t req, struct dirbuf *b, const char *name,
fuse_ino_t ino)
{
struct stat stbuf;
size_t oldsize = b->size;
b->size += fuse_add_direntry(req, NULL, 0, name, NULL, 0);
b->p = (char *) realloc(b->p, b->size);
memset(&stbuf, 0, sizeof(stbuf));
stbuf.st_ino = ino;
fuse_add_direntry(req, b->p + oldsize, b->size - oldsize, name, &stbuf,
b->size);
}
#define min(x, y) ((x) < (y) ? (x) : (y))
static int reply_buf_limited(fuse_req_t req, const char *buf, size_t bufsize,
off_t off, size_t maxsize)
{
if (off < bufsize)
return fuse_reply_buf(req, buf + off,
min(bufsize - off, maxsize));
else
return fuse_reply_buf(req, NULL, 0);
}
static void hello_ll_readdir(fuse_req_t req, fuse_ino_t ino, size_t size,
off_t off, struct fuse_file_info *fi)
{
(void) fi;
if (ino != 1)
fuse_reply_err(req, ENOTDIR);
else {
struct dirbuf b;
memset(&b, 0, sizeof(b));
dirbuf_add(req, &b, ".", 1);
dirbuf_add(req, &b, "..", 1);
dirbuf_add(req, &b, hello_name, 2);
reply_buf_limited(req, b.p, b.size, off, size);
free(b.p);
}
}
static void hello_ll_open(fuse_req_t req, fuse_ino_t ino,
struct fuse_file_info *fi)
{
if (ino != 2)
fuse_reply_err(req, EISDIR);
else if ((fi->flags & 3) != O_RDONLY)
fuse_reply_err(req, EACCES);
else
fuse_reply_open(req, fi);
}
static void hello_ll_read(fuse_req_t req, fuse_ino_t ino, size_t size,
off_t off, struct fuse_file_info *fi)
{
(void) fi;
assert(ino == 2);
reply_buf_limited(req, hello_str, strlen(hello_str), off, size);
}
static struct fuse_lowlevel_ops hello_ll_oper = {
.lookup = hello_ll_lookup,
.getattr = hello_ll_getattr,
.readdir = hello_ll_readdir,
.open = hello_ll_open,
.read = hello_ll_read,
};
int main(int argc, char *argv[])
{
struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
struct fuse_chan *ch;
char *mountpoint;
int err = -1;
if (fuse_parse_cmdline(&args, &mountpoint, NULL, NULL) != -1 &&
(ch = fuse_mount(mountpoint, &args)) != NULL) {
struct fuse_session *se;
se = fuse_lowlevel_new(&args, &hello_ll_oper,
sizeof(hello_ll_oper), NULL);
if (se != NULL) {
if (fuse_set_signal_handlers(se) != -1) {
fuse_session_add_chan(se, ch);
err = fuse_session_loop(se);
fuse_remove_signal_handlers(se);
fuse_session_remove_chan(ch);
}
fuse_session_destroy(se);
}
fuse_unmount(mountpoint, ch);
}
fuse_opt_free_args(&args);
return err ? 1 : 0;
}

95
libfuse/example/null.c

@ -1,95 +0,0 @@
/*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
gcc -Wall null.c `pkg-config fuse --cflags --libs` -o null
*/
#define FUSE_USE_VERSION 26
#include <fuse.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include <errno.h>
static int null_getattr(const char *path, struct stat *stbuf)
{
if(strcmp(path, "/") != 0)
return -ENOENT;
stbuf->st_mode = S_IFREG | 0644;
stbuf->st_nlink = 1;
stbuf->st_uid = getuid();
stbuf->st_gid = getgid();
stbuf->st_size = (1ULL << 32); /* 4G */
stbuf->st_blocks = 0;
stbuf->st_atime = stbuf->st_mtime = stbuf->st_ctime = time(NULL);
return 0;
}
static int null_truncate(const char *path, off_t size)
{
(void) size;
if(strcmp(path, "/") != 0)
return -ENOENT;
return 0;
}
static int null_open(const char *path, struct fuse_file_info *fi)
{
(void) fi;
if(strcmp(path, "/") != 0)
return -ENOENT;
return 0;
}
static int null_read(const char *path, char *buf, size_t size,
off_t offset, struct fuse_file_info *fi)
{
(void) buf;
(void) offset;
(void) fi;
if(strcmp(path, "/") != 0)
return -ENOENT;
if (offset >= (1ULL << 32))
return 0;
return size;
}
static int null_write(const char *path, const char *buf, size_t size,
off_t offset, struct fuse_file_info *fi)
{
(void) buf;
(void) offset;
(void) fi;
if(strcmp(path, "/") != 0)
return -ENOENT;
return size;
}
static struct fuse_operations null_oper = {
.getattr = null_getattr,
.truncate = null_truncate,
.open = null_open,
.read = null_read,
.write = null_write,
};
int main(int argc, char *argv[])
{
return fuse_main(argc, argv, &null_oper, NULL);
}

656
libfuse/lib/mount.c

@ -1,644 +1,24 @@
/* /*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
ISC License
This program can be distributed under the terms of the GNU LGPLv2.
See the file COPYING.LIB.
*/
#include "config.h"
#include "fuse_i.h"
#include "fuse_misc.h"
#include "fuse_opt.h"
#include "fuse_common_compat.h"
#include "mount_util.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stddef.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/poll.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/wait.h>
#include <sys/mount.h>
#ifdef __NetBSD__
#include <perfuse.h>
#define MS_RDONLY MNT_RDONLY
#define MS_NOSUID MNT_NOSUID
#define MS_NODEV MNT_NODEV
#define MS_NOEXEC MNT_NOEXEC
#define MS_SYNCHRONOUS MNT_SYNCHRONOUS
#define MS_NOATIME MNT_NOATIME
#define umount2(mnt, flags) unmount(mnt, (flags == 2) ? MNT_FORCE : 0)
#endif
#define FUSERMOUNT_PROG "fusermount"
#define FUSE_COMMFD_ENV "_FUSE_COMMFD"
#ifndef HAVE_FORK
#define fork() vfork()
#endif
#ifndef MS_DIRSYNC
#define MS_DIRSYNC 128
#endif
enum {
KEY_KERN_FLAG,
KEY_KERN_OPT,
KEY_FUSERMOUNT_OPT,
KEY_SUBTYPE_OPT,
KEY_MTAB_OPT,
KEY_ALLOW_ROOT,
KEY_RO,
KEY_HELP,
KEY_VERSION,
};
struct mount_opts {
int allow_other;
int allow_root;
int ishelp;
int flags;
int nonempty;
int auto_unmount;
int blkdev;
char *fsname;
char *subtype;
char *subtype_opt;
char *mtab_opts;
char *fusermount_opts;
char *kernel_opts;
};
#define FUSE_MOUNT_OPT(t, p) { t, offsetof(struct mount_opts, p), 1 }
static const struct fuse_opt fuse_mount_opts[] = {
FUSE_MOUNT_OPT("allow_other", allow_other),
FUSE_MOUNT_OPT("allow_root", allow_root),
FUSE_MOUNT_OPT("nonempty", nonempty),
FUSE_MOUNT_OPT("blkdev", blkdev),
FUSE_MOUNT_OPT("auto_unmount", auto_unmount),
FUSE_MOUNT_OPT("fsname=%s", fsname),
FUSE_MOUNT_OPT("subtype=%s", subtype),
FUSE_OPT_KEY("allow_other", KEY_KERN_OPT),
FUSE_OPT_KEY("allow_root", KEY_ALLOW_ROOT),
FUSE_OPT_KEY("nonempty", KEY_FUSERMOUNT_OPT),
FUSE_OPT_KEY("auto_unmount", KEY_FUSERMOUNT_OPT),
FUSE_OPT_KEY("blkdev", KEY_FUSERMOUNT_OPT),
FUSE_OPT_KEY("fsname=", KEY_FUSERMOUNT_OPT),
FUSE_OPT_KEY("subtype=", KEY_SUBTYPE_OPT),
FUSE_OPT_KEY("large_read", KEY_KERN_OPT),
FUSE_OPT_KEY("blksize=", KEY_KERN_OPT),
FUSE_OPT_KEY("default_permissions", KEY_KERN_OPT),
FUSE_OPT_KEY("context=", KEY_KERN_OPT),
FUSE_OPT_KEY("fscontext=", KEY_KERN_OPT),
FUSE_OPT_KEY("defcontext=", KEY_KERN_OPT),
FUSE_OPT_KEY("rootcontext=", KEY_KERN_OPT),
FUSE_OPT_KEY("max_read=", KEY_KERN_OPT),
FUSE_OPT_KEY("max_read=", FUSE_OPT_KEY_KEEP),
FUSE_OPT_KEY("user=", KEY_MTAB_OPT),
FUSE_OPT_KEY("-r", KEY_RO),
FUSE_OPT_KEY("ro", KEY_KERN_FLAG),
FUSE_OPT_KEY("rw", KEY_KERN_FLAG),
FUSE_OPT_KEY("suid", KEY_KERN_FLAG),
FUSE_OPT_KEY("nosuid", KEY_KERN_FLAG),
FUSE_OPT_KEY("dev", KEY_KERN_FLAG),
FUSE_OPT_KEY("nodev", KEY_KERN_FLAG),
FUSE_OPT_KEY("exec", KEY_KERN_FLAG),
FUSE_OPT_KEY("noexec", KEY_KERN_FLAG),
FUSE_OPT_KEY("async", KEY_KERN_FLAG),
FUSE_OPT_KEY("sync", KEY_KERN_FLAG),
FUSE_OPT_KEY("dirsync", KEY_KERN_FLAG),
FUSE_OPT_KEY("atime", KEY_KERN_FLAG),
FUSE_OPT_KEY("noatime", KEY_KERN_FLAG),
FUSE_OPT_KEY("-h", KEY_HELP),
FUSE_OPT_KEY("--help", KEY_HELP),
FUSE_OPT_KEY("-V", KEY_VERSION),
FUSE_OPT_KEY("--version", KEY_VERSION),
FUSE_OPT_END
};
static void mount_help(void)
{
fprintf(stderr,
" -o allow_other allow access to other users\n"
" -o allow_root allow access to root\n"
" -o auto_unmount auto unmount on process termination\n"
" -o nonempty allow mounts over non-empty file/dir\n"
" -o default_permissions enable permission checking by kernel\n"
" -o fsname=NAME set filesystem name\n"
" -o subtype=NAME set filesystem type\n"
" -o large_read issue large read requests (2.4 only)\n"
" -o max_read=N set maximum size of read requests\n"
"\n");
}
static void exec_fusermount(const char *argv[])
{
execv(FUSERMOUNT_DIR "/" FUSERMOUNT_PROG, (char **) argv);
execvp(FUSERMOUNT_PROG, (char **) argv);
}
static void mount_version(void)
{
int pid = fork();
if (!pid) {
const char *argv[] = { FUSERMOUNT_PROG, "--version", NULL };
exec_fusermount(argv);
_exit(1);
} else if (pid != -1)
waitpid(pid, NULL, 0);
}
struct mount_flags {
const char *opt;
unsigned long flag;
int on;
};
static const struct mount_flags mount_flags[] = {
{"rw", MS_RDONLY, 0},
{"ro", MS_RDONLY, 1},
{"suid", MS_NOSUID, 0},
{"nosuid", MS_NOSUID, 1},
{"dev", MS_NODEV, 0},
{"nodev", MS_NODEV, 1},
{"exec", MS_NOEXEC, 0},
{"noexec", MS_NOEXEC, 1},
{"async", MS_SYNCHRONOUS, 0},
{"sync", MS_SYNCHRONOUS, 1},
{"atime", MS_NOATIME, 0},
{"noatime", MS_NOATIME, 1},
#ifndef __NetBSD__
{"dirsync", MS_DIRSYNC, 1},
#endif
{NULL, 0, 0}
};
static void set_mount_flag(const char *s, int *flags)
{
int i;
for (i = 0; mount_flags[i].opt != NULL; i++) {
const char *opt = mount_flags[i].opt;
if (strcmp(opt, s) == 0) {
if (mount_flags[i].on)
*flags |= mount_flags[i].flag;
else
*flags &= ~mount_flags[i].flag;
return;
}
}
fprintf(stderr, "fuse: internal error, can't find mount flag\n");
abort();
}
static int fuse_mount_opt_proc(void *data, const char *arg, int key,
struct fuse_args *outargs)
{
struct mount_opts *mo = data;
switch (key) {
case KEY_ALLOW_ROOT:
if (fuse_opt_add_opt(&mo->kernel_opts, "allow_other") == -1 ||
fuse_opt_add_arg(outargs, "-oallow_root") == -1)
return -1;
return 0;
case KEY_RO:
arg = "ro";
/* fall through */
case KEY_KERN_FLAG:
set_mount_flag(arg, &mo->flags);
return 0;
case KEY_KERN_OPT:
return fuse_opt_add_opt(&mo->kernel_opts, arg);
case KEY_FUSERMOUNT_OPT:
return fuse_opt_add_opt_escaped(&mo->fusermount_opts, arg);
case KEY_SUBTYPE_OPT:
return fuse_opt_add_opt(&mo->subtype_opt, arg);
case KEY_MTAB_OPT:
return fuse_opt_add_opt(&mo->mtab_opts, arg);
case KEY_HELP:
mount_help();
mo->ishelp = 1;
break;
case KEY_VERSION:
mount_version();
mo->ishelp = 1;
break;
}
return 1;
}
/* return value:
* >= 0 => fd
* -1 => error
*/
static int receive_fd(int fd)
{
struct msghdr msg;
struct iovec iov;
char buf[1];
int rv;
size_t ccmsg[CMSG_SPACE(sizeof(int)) / sizeof(size_t)];
struct cmsghdr *cmsg;
iov.iov_base = buf;
iov.iov_len = 1;
memset(&msg, 0, sizeof(msg));
msg.msg_name = 0;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
/* old BSD implementations should use msg_accrights instead of
* msg_control; the interface is different. */
msg.msg_control = ccmsg;
msg.msg_controllen = sizeof(ccmsg);
while(((rv = recvmsg(fd, &msg, 0)) == -1) && errno == EINTR);
if (rv == -1) {
perror("recvmsg");
return -1;
}
if(!rv) {
/* EOF */
return -1;
}
cmsg = CMSG_FIRSTHDR(&msg);
if (cmsg->cmsg_type != SCM_RIGHTS) {
fprintf(stderr, "got control message of unknown type %d\n",
cmsg->cmsg_type);
return -1;
}
return *(int*)CMSG_DATA(cmsg);
}
void fuse_kern_unmount(const char *mountpoint, int fd)
{
int res;
int pid;
if (!mountpoint)
return;
if (fd != -1) {
struct pollfd pfd;
pfd.fd = fd;
pfd.events = 0;
res = poll(&pfd, 1, 0);
/* Need to close file descriptor, otherwise synchronous umount
would recurse into filesystem, and deadlock.
Caller expects fuse_kern_unmount to close the fd, so close it
anyway. */
close(fd);
/* If file poll returns POLLERR on the device file descriptor,
then the filesystem is already unmounted */
if (res == 1 && (pfd.revents & POLLERR))
return;
}
if (geteuid() == 0) {
fuse_mnt_umount("fuse", mountpoint, mountpoint, 1);
return;
}
Copyright (c) 2019, Antonio SJ Musumeci <trapexit@spawn.link>
res = umount2(mountpoint, 2);
if (res == 0)
return;
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
pid = fork();
if(pid == -1)
return;
if(pid == 0) {
const char *argv[] = { FUSERMOUNT_PROG, "-u", "-q", "-z",
"--", mountpoint, NULL };
exec_fusermount(argv);
_exit(1);
}
waitpid(pid, NULL, 0);
}
void fuse_unmount_compat22(const char *mountpoint)
{
fuse_kern_unmount(mountpoint, -1);
}
static int fuse_mount_fusermount(const char *mountpoint, struct mount_opts *mo,
const char *opts, int quiet)
{
int fds[2], pid;
int res;
int rv;
if (!mountpoint) {
fprintf(stderr, "fuse: missing mountpoint parameter\n");
return -1;
}
res = socketpair(PF_UNIX, SOCK_STREAM, 0, fds);
if(res == -1) {
perror("fuse: socketpair() failed");
return -1;
}
pid = fork();
if(pid == -1) {
perror("fuse: fork() failed");
close(fds[0]);
close(fds[1]);
return -1;
}
if(pid == 0) {
char env[10];
const char *argv[32];
int a = 0;
if (quiet) {
int fd = open("/dev/null", O_RDONLY);
if (fd != -1) {
dup2(fd, 1);
dup2(fd, 2);
}
}
argv[a++] = FUSERMOUNT_PROG;
if (opts) {
argv[a++] = "-o";
argv[a++] = opts;
}
argv[a++] = "--";
argv[a++] = mountpoint;
argv[a++] = NULL;
close(fds[1]);
fcntl(fds[0], F_SETFD, 0);
snprintf(env, sizeof(env), "%i", fds[0]);
setenv(FUSE_COMMFD_ENV, env, 1);
exec_fusermount(argv);
perror("fuse: failed to exec fusermount");
_exit(1);
}
close(fds[0]);
rv = receive_fd(fds[1]);
if (!mo->auto_unmount) {
/* with auto_unmount option fusermount will not exit until
this socket is closed */
close(fds[1]);
waitpid(pid, NULL, 0); /* bury zombie */
}
return rv;
}
int fuse_mount_compat22(const char *mountpoint, const char *opts)
{
struct mount_opts mo;
memset(&mo, 0, sizeof(mo));
mo.flags = MS_NOSUID | MS_NODEV;
return fuse_mount_fusermount(mountpoint, &mo, opts, 0);
}
static int fuse_mount_sys(const char *mnt, struct mount_opts *mo,
const char *mnt_opts)
{
char tmp[128];
const char *devname = "/dev/fuse";
char *source = NULL;
char *type = NULL;
struct stat stbuf;
int fd;
int res;
if (!mnt) {
fprintf(stderr, "fuse: missing mountpoint parameter\n");
return -1;
}
res = stat(mnt, &stbuf);
if (res == -1) {
fprintf(stderr ,"fuse: failed to access mountpoint %s: %s\n",
mnt, strerror(errno));
return -1;
}
if (!mo->nonempty) {
res = fuse_mnt_check_empty("fuse", mnt, stbuf.st_mode,
stbuf.st_size);
if (res == -1)
return -1;
}
if (mo->auto_unmount) {
/* Tell the caller to fallback to fusermount because
auto-unmount does not work otherwise. */
return -2;
}
fd = open(devname, O_RDWR);
if (fd == -1) {
if (errno == ENODEV || errno == ENOENT)
fprintf(stderr, "fuse: device not found, try 'modprobe fuse' first\n");
else
fprintf(stderr, "fuse: failed to open %s: %s\n",
devname, strerror(errno));
return -1;
}
snprintf(tmp, sizeof(tmp), "fd=%i,rootmode=%o,user_id=%u,group_id=%u",
fd, stbuf.st_mode & S_IFMT, getuid(), getgid());
res = fuse_opt_add_opt(&mo->kernel_opts, tmp);
if (res == -1)
goto out_close;
source = malloc((mo->fsname ? strlen(mo->fsname) : 0) +
(mo->subtype ? strlen(mo->subtype) : 0) +
strlen(devname) + 32);
type = malloc((mo->subtype ? strlen(mo->subtype) : 0) + 32);
if (!type || !source) {
fprintf(stderr, "fuse: failed to allocate memory\n");
goto out_close;
}
strcpy(type, mo->blkdev ? "fuseblk" : "fuse");
if (mo->subtype) {
strcat(type, ".");
strcat(type, mo->subtype);
}
strcpy(source,
mo->fsname ? mo->fsname : (mo->subtype ? mo->subtype : devname));
res = mount(source, mnt, type, mo->flags, mo->kernel_opts);
if (res == -1 && errno == ENODEV && mo->subtype) {
/* Probably missing subtype support */
strcpy(type, mo->blkdev ? "fuseblk" : "fuse");
if (mo->fsname) {
if (!mo->blkdev)
sprintf(source, "%s#%s", mo->subtype,
mo->fsname);
} else {
strcpy(source, type);
}
res = mount(source, mnt, type, mo->flags, mo->kernel_opts);
}
if (res == -1) {
/*
* Maybe kernel doesn't support unprivileged mounts, in this
* case try falling back to fusermount
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/ */
if (errno == EPERM) {
res = -2;
} else {
int errno_save = errno;
if (mo->blkdev && errno == ENODEV &&
!fuse_mnt_check_fuseblk())
fprintf(stderr,
"fuse: 'fuseblk' support missing\n");
else
fprintf(stderr, "fuse: mount failed: %s\n",
strerror(errno_save));
}
goto out_close;
}
#ifndef __NetBSD__
#ifndef IGNORE_MTAB
if (geteuid() == 0) {
char *newmnt = fuse_mnt_resolve_path("fuse", mnt);
res = -1;
if (!newmnt)
goto out_umount;
res = fuse_mnt_add_mount("fuse", source, newmnt, type,
mnt_opts);
free(newmnt);
if (res == -1)
goto out_umount;
}
#endif /* IGNORE_MTAB */
#endif /* __NetBSD__ */
free(type);
free(source);
return fd;
out_umount:
umount2(mnt, 2); /* lazy umount */
out_close:
free(type);
free(source);
close(fd);
return res;
}
static int get_mnt_flag_opts(char **mnt_optsp, int flags)
{
int i;
if (!(flags & MS_RDONLY) && fuse_opt_add_opt(mnt_optsp, "rw") == -1)
return -1;
for (i = 0; mount_flags[i].opt != NULL; i++) {
if (mount_flags[i].on && (flags & mount_flags[i].flag) &&
fuse_opt_add_opt(mnt_optsp, mount_flags[i].opt) == -1)
return -1;
}
return 0;
}
int fuse_kern_mount(const char *mountpoint, struct fuse_args *args)
{
struct mount_opts mo;
int res = -1;
char *mnt_opts = NULL;
memset(&mo, 0, sizeof(mo));
mo.flags = MS_NOSUID | MS_NODEV;
if (args &&
fuse_opt_parse(args, &mo, fuse_mount_opts, fuse_mount_opt_proc) == -1)
return -1;
if (mo.allow_other && mo.allow_root) {
fprintf(stderr, "fuse: 'allow_other' and 'allow_root' options are mutually exclusive\n");
goto out;
}
res = 0;
if (mo.ishelp)
goto out;
res = -1;
if (get_mnt_flag_opts(&mnt_opts, mo.flags) == -1)
goto out;
if (mo.kernel_opts && fuse_opt_add_opt(&mnt_opts, mo.kernel_opts) == -1)
goto out;
if (mo.mtab_opts && fuse_opt_add_opt(&mnt_opts, mo.mtab_opts) == -1)
goto out;
res = fuse_mount_sys(mountpoint, &mo, mnt_opts);
if (res == -2) {
if (mo.fusermount_opts &&
fuse_opt_add_opt(&mnt_opts, mo.fusermount_opts) == -1)
goto out;
if (mo.subtype) {
char *tmp_opts = NULL;
res = -1;
if (fuse_opt_add_opt(&tmp_opts, mnt_opts) == -1 ||
fuse_opt_add_opt(&tmp_opts, mo.subtype_opt) == -1) {
free(tmp_opts);
goto out;
}
res = fuse_mount_fusermount(mountpoint, &mo, tmp_opts, 1);
free(tmp_opts);
if (res == -1)
res = fuse_mount_fusermount(mountpoint, &mo,
mnt_opts, 0);
} else {
res = fuse_mount_fusermount(mountpoint, &mo, mnt_opts, 0);
}
}
out:
free(mnt_opts);
free(mo.fsname);
free(mo.subtype);
free(mo.fusermount_opts);
free(mo.subtype_opt);
free(mo.kernel_opts);
free(mo.mtab_opts);
return res;
}
FUSE_SYMVER(".symver fuse_mount_compat22,fuse_mount@FUSE_2.2");
FUSE_SYMVER(".symver fuse_unmount_compat22,fuse_unmount@FUSE_2.2");
#if defined __FreeBSD__ || __NetBSD__ || __OpenBSD__ || __DragonFly__
# include "mount_bsd.c"
#else
# include "mount_generic.c"
# include "mount_util.c"
#endif

644
libfuse/lib/mount_generic.c

@ -0,0 +1,644 @@
/*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU LGPLv2.
See the file COPYING.LIB.
*/
#include "config.h"
#include "fuse_i.h"
#include "fuse_misc.h"
#include "fuse_opt.h"
#include "fuse_common_compat.h"
#include "mount_util.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stddef.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/poll.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/wait.h>
#include <sys/mount.h>
#ifdef __NetBSD__
#include <perfuse.h>
#define MS_RDONLY MNT_RDONLY
#define MS_NOSUID MNT_NOSUID
#define MS_NODEV MNT_NODEV
#define MS_NOEXEC MNT_NOEXEC
#define MS_SYNCHRONOUS MNT_SYNCHRONOUS
#define MS_NOATIME MNT_NOATIME
#define umount2(mnt, flags) unmount(mnt, (flags == 2) ? MNT_FORCE : 0)
#endif
#define FUSERMOUNT_PROG "fusermount"
#define FUSE_COMMFD_ENV "_FUSE_COMMFD"
#ifndef HAVE_FORK
#define fork() vfork()
#endif
#ifndef MS_DIRSYNC
#define MS_DIRSYNC 128
#endif
enum {
KEY_KERN_FLAG,
KEY_KERN_OPT,
KEY_FUSERMOUNT_OPT,
KEY_SUBTYPE_OPT,
KEY_MTAB_OPT,
KEY_ALLOW_ROOT,
KEY_RO,
KEY_HELP,
KEY_VERSION,
};
struct mount_opts {
int allow_other;
int allow_root;
int ishelp;
int flags;
int nonempty;
int auto_unmount;
int blkdev;
char *fsname;
char *subtype;
char *subtype_opt;
char *mtab_opts;
char *fusermount_opts;
char *kernel_opts;
};
#define FUSE_MOUNT_OPT(t, p) { t, offsetof(struct mount_opts, p), 1 }
static const struct fuse_opt fuse_mount_opts[] = {
FUSE_MOUNT_OPT("allow_other", allow_other),
FUSE_MOUNT_OPT("allow_root", allow_root),
FUSE_MOUNT_OPT("nonempty", nonempty),
FUSE_MOUNT_OPT("blkdev", blkdev),
FUSE_MOUNT_OPT("auto_unmount", auto_unmount),
FUSE_MOUNT_OPT("fsname=%s", fsname),
FUSE_MOUNT_OPT("subtype=%s", subtype),
FUSE_OPT_KEY("allow_other", KEY_KERN_OPT),
FUSE_OPT_KEY("allow_root", KEY_ALLOW_ROOT),
FUSE_OPT_KEY("nonempty", KEY_FUSERMOUNT_OPT),
FUSE_OPT_KEY("auto_unmount", KEY_FUSERMOUNT_OPT),
FUSE_OPT_KEY("blkdev", KEY_FUSERMOUNT_OPT),
FUSE_OPT_KEY("fsname=", KEY_FUSERMOUNT_OPT),
FUSE_OPT_KEY("subtype=", KEY_SUBTYPE_OPT),
FUSE_OPT_KEY("large_read", KEY_KERN_OPT),
FUSE_OPT_KEY("blksize=", KEY_KERN_OPT),
FUSE_OPT_KEY("default_permissions", KEY_KERN_OPT),
FUSE_OPT_KEY("context=", KEY_KERN_OPT),
FUSE_OPT_KEY("fscontext=", KEY_KERN_OPT),
FUSE_OPT_KEY("defcontext=", KEY_KERN_OPT),
FUSE_OPT_KEY("rootcontext=", KEY_KERN_OPT),
FUSE_OPT_KEY("max_read=", KEY_KERN_OPT),
FUSE_OPT_KEY("max_read=", FUSE_OPT_KEY_KEEP),
FUSE_OPT_KEY("user=", KEY_MTAB_OPT),
FUSE_OPT_KEY("-r", KEY_RO),
FUSE_OPT_KEY("ro", KEY_KERN_FLAG),
FUSE_OPT_KEY("rw", KEY_KERN_FLAG),
FUSE_OPT_KEY("suid", KEY_KERN_FLAG),
FUSE_OPT_KEY("nosuid", KEY_KERN_FLAG),
FUSE_OPT_KEY("dev", KEY_KERN_FLAG),
FUSE_OPT_KEY("nodev", KEY_KERN_FLAG),
FUSE_OPT_KEY("exec", KEY_KERN_FLAG),
FUSE_OPT_KEY("noexec", KEY_KERN_FLAG),
FUSE_OPT_KEY("async", KEY_KERN_FLAG),
FUSE_OPT_KEY("sync", KEY_KERN_FLAG),
FUSE_OPT_KEY("dirsync", KEY_KERN_FLAG),
FUSE_OPT_KEY("atime", KEY_KERN_FLAG),
FUSE_OPT_KEY("noatime", KEY_KERN_FLAG),
FUSE_OPT_KEY("-h", KEY_HELP),
FUSE_OPT_KEY("--help", KEY_HELP),
FUSE_OPT_KEY("-V", KEY_VERSION),
FUSE_OPT_KEY("--version", KEY_VERSION),
FUSE_OPT_END
};
static void mount_help(void)
{
fprintf(stderr,
" -o allow_other allow access to other users\n"
" -o allow_root allow access to root\n"
" -o auto_unmount auto unmount on process termination\n"
" -o nonempty allow mounts over non-empty file/dir\n"
" -o default_permissions enable permission checking by kernel\n"
" -o fsname=NAME set filesystem name\n"
" -o subtype=NAME set filesystem type\n"
" -o large_read issue large read requests (2.4 only)\n"
" -o max_read=N set maximum size of read requests\n"
"\n");
}
static void exec_fusermount(const char *argv[])
{
execv(FUSERMOUNT_DIR "/" FUSERMOUNT_PROG, (char **) argv);
execvp(FUSERMOUNT_PROG, (char **) argv);
}
static void mount_version(void)
{
int pid = fork();
if (!pid) {
const char *argv[] = { FUSERMOUNT_PROG, "--version", NULL };
exec_fusermount(argv);
_exit(1);
} else if (pid != -1)
waitpid(pid, NULL, 0);
}
struct mount_flags {
const char *opt;
unsigned long flag;
int on;
};
static const struct mount_flags mount_flags[] = {
{"rw", MS_RDONLY, 0},
{"ro", MS_RDONLY, 1},
{"suid", MS_NOSUID, 0},
{"nosuid", MS_NOSUID, 1},
{"dev", MS_NODEV, 0},
{"nodev", MS_NODEV, 1},
{"exec", MS_NOEXEC, 0},
{"noexec", MS_NOEXEC, 1},
{"async", MS_SYNCHRONOUS, 0},
{"sync", MS_SYNCHRONOUS, 1},
{"atime", MS_NOATIME, 0},
{"noatime", MS_NOATIME, 1},
#ifndef __NetBSD__
{"dirsync", MS_DIRSYNC, 1},
#endif
{NULL, 0, 0}
};
static void set_mount_flag(const char *s, int *flags)
{
int i;
for (i = 0; mount_flags[i].opt != NULL; i++) {
const char *opt = mount_flags[i].opt;
if (strcmp(opt, s) == 0) {
if (mount_flags[i].on)
*flags |= mount_flags[i].flag;
else
*flags &= ~mount_flags[i].flag;
return;
}
}
fprintf(stderr, "fuse: internal error, can't find mount flag\n");
abort();
}
static int fuse_mount_opt_proc(void *data, const char *arg, int key,
struct fuse_args *outargs)
{
struct mount_opts *mo = data;
switch (key) {
case KEY_ALLOW_ROOT:
if (fuse_opt_add_opt(&mo->kernel_opts, "allow_other") == -1 ||
fuse_opt_add_arg(outargs, "-oallow_root") == -1)
return -1;
return 0;
case KEY_RO:
arg = "ro";
/* fall through */
case KEY_KERN_FLAG:
set_mount_flag(arg, &mo->flags);
return 0;
case KEY_KERN_OPT:
return fuse_opt_add_opt(&mo->kernel_opts, arg);
case KEY_FUSERMOUNT_OPT:
return fuse_opt_add_opt_escaped(&mo->fusermount_opts, arg);
case KEY_SUBTYPE_OPT:
return fuse_opt_add_opt(&mo->subtype_opt, arg);
case KEY_MTAB_OPT:
return fuse_opt_add_opt(&mo->mtab_opts, arg);
case KEY_HELP:
mount_help();
mo->ishelp = 1;
break;
case KEY_VERSION:
mount_version();
mo->ishelp = 1;
break;
}
return 1;
}
/* return value:
* >= 0 => fd
* -1 => error
*/
static int receive_fd(int fd)
{
struct msghdr msg;
struct iovec iov;
char buf[1];
int rv;
size_t ccmsg[CMSG_SPACE(sizeof(int)) / sizeof(size_t)];
struct cmsghdr *cmsg;
iov.iov_base = buf;
iov.iov_len = 1;
memset(&msg, 0, sizeof(msg));
msg.msg_name = 0;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
/* old BSD implementations should use msg_accrights instead of
* msg_control; the interface is different. */
msg.msg_control = ccmsg;
msg.msg_controllen = sizeof(ccmsg);
while(((rv = recvmsg(fd, &msg, 0)) == -1) && errno == EINTR);
if (rv == -1) {
perror("recvmsg");
return -1;
}
if(!rv) {
/* EOF */
return -1;
}
cmsg = CMSG_FIRSTHDR(&msg);
if (cmsg->cmsg_type != SCM_RIGHTS) {
fprintf(stderr, "got control message of unknown type %d\n",
cmsg->cmsg_type);
return -1;
}
return *(int*)CMSG_DATA(cmsg);
}
void fuse_kern_unmount(const char *mountpoint, int fd)
{
int res;
int pid;
if (!mountpoint)
return;
if (fd != -1) {
struct pollfd pfd;
pfd.fd = fd;
pfd.events = 0;
res = poll(&pfd, 1, 0);
/* Need to close file descriptor, otherwise synchronous umount
would recurse into filesystem, and deadlock.
Caller expects fuse_kern_unmount to close the fd, so close it
anyway. */
close(fd);
/* If file poll returns POLLERR on the device file descriptor,
then the filesystem is already unmounted */
if (res == 1 && (pfd.revents & POLLERR))
return;
}
if (geteuid() == 0) {
fuse_mnt_umount("fuse", mountpoint, mountpoint, 1);
return;
}
res = umount2(mountpoint, 2);
if (res == 0)
return;
pid = fork();
if(pid == -1)
return;
if(pid == 0) {
const char *argv[] = { FUSERMOUNT_PROG, "-u", "-q", "-z",
"--", mountpoint, NULL };
exec_fusermount(argv);
_exit(1);
}
waitpid(pid, NULL, 0);
}
void fuse_unmount_compat22(const char *mountpoint)
{
fuse_kern_unmount(mountpoint, -1);
}
static int fuse_mount_fusermount(const char *mountpoint, struct mount_opts *mo,
const char *opts, int quiet)
{
int fds[2], pid;
int res;
int rv;
if (!mountpoint) {
fprintf(stderr, "fuse: missing mountpoint parameter\n");
return -1;
}
res = socketpair(PF_UNIX, SOCK_STREAM, 0, fds);
if(res == -1) {
perror("fuse: socketpair() failed");
return -1;
}
pid = fork();
if(pid == -1) {
perror("fuse: fork() failed");
close(fds[0]);
close(fds[1]);
return -1;
}
if(pid == 0) {
char env[10];
const char *argv[32];
int a = 0;
if (quiet) {
int fd = open("/dev/null", O_RDONLY);
if (fd != -1) {
dup2(fd, 1);
dup2(fd, 2);
}
}
argv[a++] = FUSERMOUNT_PROG;
if (opts) {
argv[a++] = "-o";
argv[a++] = opts;
}
argv[a++] = "--";
argv[a++] = mountpoint;
argv[a++] = NULL;
close(fds[1]);
fcntl(fds[0], F_SETFD, 0);
snprintf(env, sizeof(env), "%i", fds[0]);
setenv(FUSE_COMMFD_ENV, env, 1);
exec_fusermount(argv);
perror("fuse: failed to exec fusermount");
_exit(1);
}
close(fds[0]);
rv = receive_fd(fds[1]);
if (!mo->auto_unmount) {
/* with auto_unmount option fusermount will not exit until
this socket is closed */
close(fds[1]);
waitpid(pid, NULL, 0); /* bury zombie */
}
return rv;
}
int fuse_mount_compat22(const char *mountpoint, const char *opts)
{
struct mount_opts mo;
memset(&mo, 0, sizeof(mo));
mo.flags = MS_NOSUID | MS_NODEV;
return fuse_mount_fusermount(mountpoint, &mo, opts, 0);
}
static int fuse_mount_sys(const char *mnt, struct mount_opts *mo,
const char *mnt_opts)
{
char tmp[128];
const char *devname = "/dev/fuse";
char *source = NULL;
char *type = NULL;
struct stat stbuf;
int fd;
int res;
if (!mnt) {
fprintf(stderr, "fuse: missing mountpoint parameter\n");
return -1;
}
res = stat(mnt, &stbuf);
if (res == -1) {
fprintf(stderr ,"fuse: failed to access mountpoint %s: %s\n",
mnt, strerror(errno));
return -1;
}
if (!mo->nonempty) {
res = fuse_mnt_check_empty("fuse", mnt, stbuf.st_mode,
stbuf.st_size);
if (res == -1)
return -1;
}
if (mo->auto_unmount) {
/* Tell the caller to fallback to fusermount because
auto-unmount does not work otherwise. */
return -2;
}
fd = open(devname, O_RDWR);
if (fd == -1) {
if (errno == ENODEV || errno == ENOENT)
fprintf(stderr, "fuse: device not found, try 'modprobe fuse' first\n");
else
fprintf(stderr, "fuse: failed to open %s: %s\n",
devname, strerror(errno));
return -1;
}
snprintf(tmp, sizeof(tmp), "fd=%i,rootmode=%o,user_id=%u,group_id=%u",
fd, stbuf.st_mode & S_IFMT, getuid(), getgid());
res = fuse_opt_add_opt(&mo->kernel_opts, tmp);
if (res == -1)
goto out_close;
source = malloc((mo->fsname ? strlen(mo->fsname) : 0) +
(mo->subtype ? strlen(mo->subtype) : 0) +
strlen(devname) + 32);
type = malloc((mo->subtype ? strlen(mo->subtype) : 0) + 32);
if (!type || !source) {
fprintf(stderr, "fuse: failed to allocate memory\n");
goto out_close;
}
strcpy(type, mo->blkdev ? "fuseblk" : "fuse");
if (mo->subtype) {
strcat(type, ".");
strcat(type, mo->subtype);
}
strcpy(source,
mo->fsname ? mo->fsname : (mo->subtype ? mo->subtype : devname));
res = mount(source, mnt, type, mo->flags, mo->kernel_opts);
if (res == -1 && errno == ENODEV && mo->subtype) {
/* Probably missing subtype support */
strcpy(type, mo->blkdev ? "fuseblk" : "fuse");
if (mo->fsname) {
if (!mo->blkdev)
sprintf(source, "%s#%s", mo->subtype,
mo->fsname);
} else {
strcpy(source, type);
}
res = mount(source, mnt, type, mo->flags, mo->kernel_opts);
}
if (res == -1) {
/*
* Maybe kernel doesn't support unprivileged mounts, in this
* case try falling back to fusermount
*/
if (errno == EPERM) {
res = -2;
} else {
int errno_save = errno;
if (mo->blkdev && errno == ENODEV &&
!fuse_mnt_check_fuseblk())
fprintf(stderr,
"fuse: 'fuseblk' support missing\n");
else
fprintf(stderr, "fuse: mount failed: %s\n",
strerror(errno_save));
}
goto out_close;
}
#ifndef __NetBSD__
#ifndef IGNORE_MTAB
if (geteuid() == 0) {
char *newmnt = fuse_mnt_resolve_path("fuse", mnt);
res = -1;
if (!newmnt)
goto out_umount;
res = fuse_mnt_add_mount("fuse", source, newmnt, type,
mnt_opts);
free(newmnt);
if (res == -1)
goto out_umount;
}
#endif /* IGNORE_MTAB */
#endif /* __NetBSD__ */
free(type);
free(source);
return fd;
out_umount:
umount2(mnt, 2); /* lazy umount */
out_close:
free(type);
free(source);
close(fd);
return res;
}
static int get_mnt_flag_opts(char **mnt_optsp, int flags)
{
int i;
if (!(flags & MS_RDONLY) && fuse_opt_add_opt(mnt_optsp, "rw") == -1)
return -1;
for (i = 0; mount_flags[i].opt != NULL; i++) {
if (mount_flags[i].on && (flags & mount_flags[i].flag) &&
fuse_opt_add_opt(mnt_optsp, mount_flags[i].opt) == -1)
return -1;
}
return 0;
}
int fuse_kern_mount(const char *mountpoint, struct fuse_args *args)
{
struct mount_opts mo;
int res = -1;
char *mnt_opts = NULL;
memset(&mo, 0, sizeof(mo));
mo.flags = MS_NOSUID | MS_NODEV;
if (args &&
fuse_opt_parse(args, &mo, fuse_mount_opts, fuse_mount_opt_proc) == -1)
return -1;
if (mo.allow_other && mo.allow_root) {
fprintf(stderr, "fuse: 'allow_other' and 'allow_root' options are mutually exclusive\n");
goto out;
}
res = 0;
if (mo.ishelp)
goto out;
res = -1;
if (get_mnt_flag_opts(&mnt_opts, mo.flags) == -1)
goto out;
if (mo.kernel_opts && fuse_opt_add_opt(&mnt_opts, mo.kernel_opts) == -1)
goto out;
if (mo.mtab_opts && fuse_opt_add_opt(&mnt_opts, mo.mtab_opts) == -1)
goto out;
res = fuse_mount_sys(mountpoint, &mo, mnt_opts);
if (res == -2) {
if (mo.fusermount_opts &&
fuse_opt_add_opt(&mnt_opts, mo.fusermount_opts) == -1)
goto out;
if (mo.subtype) {
char *tmp_opts = NULL;
res = -1;
if (fuse_opt_add_opt(&tmp_opts, mnt_opts) == -1 ||
fuse_opt_add_opt(&tmp_opts, mo.subtype_opt) == -1) {
free(tmp_opts);
goto out;
}
res = fuse_mount_fusermount(mountpoint, &mo, tmp_opts, 1);
free(tmp_opts);
if (res == -1)
res = fuse_mount_fusermount(mountpoint, &mo,
mnt_opts, 0);
} else {
res = fuse_mount_fusermount(mountpoint, &mo, mnt_opts, 0);
}
}
out:
free(mnt_opts);
free(mo.fsname);
free(mo.subtype);
free(mo.fusermount_opts);
free(mo.subtype_opt);
free(mo.kernel_opts);
free(mo.mtab_opts);
return res;
}
FUSE_SYMVER(".symver fuse_mount_compat22,fuse_mount@FUSE_2.2");
FUSE_SYMVER(".symver fuse_unmount_compat22,fuse_unmount@FUSE_2.2");

12
src/fuse_ioctl.cpp

@ -76,7 +76,7 @@ namespace l
static static
int int
ioctl(const int fd_, ioctl(const int fd_,
const int cmd_,
const uint32_t cmd_,
void *data_, void *data_,
uint32_t *out_bufsz_) uint32_t *out_bufsz_)
{ {
@ -94,9 +94,7 @@ namespace l
break; break;
} }
rv = ((_IOC_DIR(cmd_) == _IOC_NONE) ?
fs::ioctl(fd_,cmd_) :
fs::ioctl(fd_,cmd_,data_));
rv = fs::ioctl(fd_,cmd_,data_);
return ((rv == -1) ? -errno : rv); return ((rv == -1) ? -errno : rv);
} }
@ -104,7 +102,7 @@ namespace l
static static
int int
ioctl_file(fuse_file_info *ffi_, ioctl_file(fuse_file_info *ffi_,
const int cmd_,
const uint32_t cmd_,
void *data_, void *data_,
uint32_t *out_bufsz_) uint32_t *out_bufsz_)
{ {
@ -124,7 +122,7 @@ namespace l
const Branches &branches_, const Branches &branches_,
const uint64_t minfreespace_, const uint64_t minfreespace_,
const char *fusepath_, const char *fusepath_,
const int cmd_,
const uint32_t cmd_,
void *data_, void *data_,
uint32_t *out_bufsz_) uint32_t *out_bufsz_)
{ {
@ -154,7 +152,7 @@ namespace l
static static
int int
ioctl_dir(fuse_file_info *ffi_, ioctl_dir(fuse_file_info *ffi_,
const int cmd_,
const uint32_t cmd_,
void *data_, void *data_,
uint32_t *out_bufsz_) uint32_t *out_bufsz_)
{ {

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