mergerfs/libfuse/lib/fuse_loop.c

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/*
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_lowlevel.h"
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
int fuse_session_loop(struct fuse_session *se)
{
int res = 0;
struct fuse_chan *ch = fuse_session_next_chan(se, NULL);
size_t bufsize = fuse_chan_bufsize(ch);
char *buf = (char *) malloc(bufsize);
if (!buf) {
fprintf(stderr, "fuse: failed to allocate read buffer\n");
return -1;
}
while (!fuse_session_exited(se)) {
struct fuse_chan *tmpch = ch;
struct fuse_buf fbuf = {
.mem = buf,
.size = bufsize,
};
res = fuse_session_receive_buf(se, &fbuf, &tmpch);
if (res == -EINTR)
continue;
if (res <= 0)
break;
fuse_session_process_buf(se, &fbuf, tmpch);
}
free(buf);
fuse_session_reset(se);
return res < 0 ? -1 : 0;
}