diff options
| -rw-r--r-- | sys/fs/deadfs/dead_vnops.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/sys/fs/deadfs/dead_vnops.c b/sys/fs/deadfs/dead_vnops.c index 9a107dd..8c0ebcb 100644 --- a/sys/fs/deadfs/dead_vnops.c +++ b/sys/fs/deadfs/dead_vnops.c @@ -163,16 +163,19 @@ dead_write(ap) return (EIO); } -/* - * Trivial poll routine that always returns POLLHUP. - * This is necessary so that a process which is polling a file - * gets notified when that file is revoke()d. - */ static int dead_poll(ap) struct vop_poll_args *ap; { - return (POLLHUP); + + if (ap->a_events & ~POLLSTANDARD) + return (POLLNVAL); + + /* + * Let the user find out that the descriptor is gone. + */ + return (POLLHUP | ((POLLIN | POLLRDNORM) & ap->a_events)); + } static int |
