release/src/router/ntfs-3g/libfuse-lite/fuse_loop.c

   1 /*
   2     FUSE: Filesystem in Userspace
   3     Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
   4
   5     This program can be distributed under the terms of the GNU LGPLv2.
   6     See the file COPYING.LIB
   7 */
   8
   9 #include "config.h"
  10 #include "fuse_lowlevel.h"
  11
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <errno.h>
  15
  16 int fuse_session_loop(struct fuse_session *se)
  17 {
  18     int res = 0;
  19     struct fuse_chan *ch = fuse_session_next_chan(se, NULL);
  20     size_t bufsize = fuse_chan_bufsize(ch);
  21     char *buf = (char *) malloc(bufsize);
  22     if (!buf) {
  23         fprintf(stderr, "fuse: failed to allocate read buffer\n");
  24         return -1;
  25     }
  26
  27     while (!fuse_session_exited(se)) {
  28         struct fuse_chan *tmpch = ch;
  29         res = fuse_chan_recv(&tmpch, buf, bufsize);
  30         if (res == -EINTR)
  31             continue;
  32         if (res <= 0)
  33             break;
  34         fuse_session_process(se, buf, res, tmpch);
  35     }
  36
  37     free(buf);
  38     fuse_session_reset(se);
  39     return res < 0 ? -1 : 0;
  40 }