int fuse_mnt_umount(const char *progname, const char *abs_mnt,
const char *rel_mnt, int lazy)
{
int res;
if (!mtab_needs_update(abs_mnt)) {
res = umount2(rel_mnt, lazy ? 2 : 0);
if (res == -1)
fprintf(stderr, "%s: failed to unmount %s: %s\n",
progname, abs_mnt, strerror(errno));
return res;
}
return exec_umount(progname, rel_mnt, lazy);
}
static int
do_umount()
{
pid_t pid;
if((pid = fork()) == -1) {
fprintf(stderr, "fork() failed\n");
exit(EXIT_FAILURE);
}
if(pid == 0) {
exec_umount();
return -1;
}
else {
return wait_status(pid);
}
}
