mergerfs/libfuse/lib/fuse_session.c

/*
  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 "fuse_chan.h"
#include "fuse_common_compat.h"
#include "fuse_i.h"
#include "fuse_kernel.h"
#include "fuse_lowlevel_compat.h"
#include "fuse_misc.h"

#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>

struct fuse_session *fuse_session_new(struct fuse_session_ops *op, void *data)
{
  struct fuse_session *se = (struct fuse_session *) malloc(sizeof(*se));
  if (se == NULL) {
    fprintf(stderr, "fuse: failed to allocate session\n");
    return NULL;
  }

  memset(se, 0, sizeof(*se));
  se->op = *op;
  se->data = data;

  return se;
}

void fuse_session_destroy(struct fuse_session *se)
{
  if (se->op.destroy)
    se->op.destroy(se->data);
  free(se);
}

void fuse_session_exit(struct fuse_session *se)
{
  if (se->op.exit)
    se->op.exit(se->data, 1);
  se->exited = 1;
}

void fuse_session_reset(struct fuse_session *se)
{
  if (se->op.exit)
    se->op.exit(se->data, 0);
  se->exited = 0;
}

int fuse_session_exited(struct fuse_session *se)
{
  if (se->op.exited)
    return se->op.exited(se->data);
  else
    return se->exited;
}

void *fuse_session_data(struct fuse_session *se)
{
  return se->data;
}