diff options
Diffstat (limited to 'rt/aio_cancel.c')
| -rw-r--r-- | rt/aio_cancel.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/rt/aio_cancel.c b/rt/aio_cancel.c index 8a23353b14..dcb7d5ef8d 100644 --- a/rt/aio_cancel.c +++ b/rt/aio_cancel.c @@ -1,5 +1,5 @@ /* Cancel requests associated with given file descriptor. - Copyright (C) 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -60,12 +60,18 @@ aio_cancel (fildes, aiocbp) { last = req; req = req->next_prio; + if (req == NULL) + { + pthread_mutex_unlock (&__aio_requests_mutex); + __set_errno (EINVAL); + return -1; + } } /* Don't remove the entry if a thread is already working on it. */ if (req->running == allocated) result = AIO_NOTCANCELED; - else + else if (req->running == yes) { /* We can remove the entry. */ if (last != NULL) |