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Merge pull request #313 from trapexit/fadvise

abstract posix_fadvise
pull/315/head
Antonio SJ Musumeci 8 years ago
committed by GitHub
parent
commit
51858114b2
  1. 5
      src/fs_clonefile.cpp
  2. 23
      src/fs_fadvise.cpp
  3. 53
      src/fs_fadvise.hpp
  4. 29
      src/fs_fadvise_posix.icpp
  5. 29
      src/fs_fadvise_unsupported.icpp

5
src/fs_clonefile.cpp

@ -25,6 +25,7 @@
#include <vector>
#include "fs_attr.hpp"
#include "fs_fadvise.hpp"
#include "fs_fallocate.hpp"
#include "fs_sendfile.hpp"
#include "fs_time.hpp"
@ -109,8 +110,8 @@ namespace fs
{
int rv;
::posix_fadvise(fdin,0,count,POSIX_FADV_WILLNEED);
::posix_fadvise(fdin,0,count,POSIX_FADV_SEQUENTIAL);
fs::fadvise(fdin,0,count,POSIX_FADV_WILLNEED);
fs::fadvise(fdin,0,count,POSIX_FADV_SEQUENTIAL);
fs::fallocate(fdout,0,0,count);

23
src/fs_fadvise.cpp

@ -0,0 +1,23 @@
/*
Copyright (c) 2016, 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.
*/
#include <fcntl.h>
#if _XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L
# include "fs_fadvise_posix.icpp"
#else
# include "fs_fadvise_unsupported.icpp"
#endif

53
src/fs_fadvise.hpp

@ -0,0 +1,53 @@
/*
Copyright (c) 2016, 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.
*/
#ifndef __FS_FADVISE_HPP__
#define __FS_FADVISE_HPP__
#ifndef POSIX_FADV_NORMAL
# define POSIX_FADV_NORMAL 0
#endif
#ifndef POSIX_FADV_RANDOM
# define POSIX_FADV_NORMAL 1
#endif
#ifndef POSIX_FADV_SEQUENTIAL
# define POSIX_FADV_SEQUENTIAL 2
#endif
#ifndef POSIX_FADV_WILLNEED
# define POSIX_FADV_WILLNEED 3
#endif
#ifndef POSIX_FADV_DONTNEED
# define POSIX_FADV_DONTNEED 4
#endif
#ifndef POSIX_FADV_NOREUSE
# define POSIX_FADV_NOREUSE 5
#endif
namespace fs
{
int
fadvise(const int fd,
const off_t offset,
const off_t len,
const int advice);
}
#endif // __FS_FADVISE_HPP__

29
src/fs_fadvise_posix.icpp

@ -0,0 +1,29 @@
/*
Copyright (c) 2016, 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.
*/
#include <errno.h>
namespace fs
{
int
fadvise(const int fd,
const off_t offset,
const off_t len,
const int advice)
{
return ::posix_fadvise(fd,offset,len,advice);
}
}

29
src/fs_fadvise_unsupported.icpp

@ -0,0 +1,29 @@
/*
Copyright (c) 2016, 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.
*/
#include <errno.h>
namespace fs
{
int
fadvise(const int fd,
const off_t offset,
const off_t len,
const int advice)
{
return (errno=EOPNOTSUPP,-1);
}
}
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