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Diffstat (limited to 'sysdeps/pthread/aio_cancel.c')
-rw-r--r--sysdeps/pthread/aio_cancel.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/sysdeps/pthread/aio_cancel.c b/sysdeps/pthread/aio_cancel.c
index c2fe6da9ee..d62586b903 100644
--- a/sysdeps/pthread/aio_cancel.c
+++ b/sysdeps/pthread/aio_cancel.c
@@ -1,5 +1,5 @@
/* Cancel requests associated with given file descriptor.
- Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -43,6 +43,13 @@ aio_cancel (fildes, aiocbp)
struct requestlist *req = NULL;
int result = AIO_ALLDONE;
+ /* If fildes is invalid, error. */
+ if (fcntl (fildes, F_GETFL) < 0)
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+
/* Request the mutex. */
pthread_mutex_lock (&__aio_requests_mutex);