We could hit lock failure if there is a signal that makes fcntl return
-1 and errno set to EINTR. In this case we should retry.
Cc: qemu-stable@nongnu.org
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit
f86428a1f4f91a460ed585682af70d3e8c31dc06)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
.l_type = fl_type,
};
qemu_probe_lock_ops();
- ret = fcntl(fd, fcntl_op_setlk, &fl);
+ do {
+ ret = fcntl(fd, fcntl_op_setlk, &fl);
+ } while (ret == -1 && errno == EINTR);
return ret == -1 ? -errno : 0;
}