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Diffstat (limited to 'nptl/pthread_setschedparam.c')
-rw-r--r--nptl/pthread_setschedparam.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/nptl/pthread_setschedparam.c b/nptl/pthread_setschedparam.c
index cdba80cf07..3084836ad8 100644
--- a/nptl/pthread_setschedparam.c
+++ b/nptl/pthread_setschedparam.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -25,33 +25,39 @@
int
-__pthread_setschedparam (thread_id, policy, param)
- pthread_t thread_id;
+__pthread_setschedparam (threadid, policy, param)
+ pthread_t threadid;
int policy;
const struct sched_param *param;
{
- struct pthread *thread = (struct pthread *) thread_id;
+ struct pthread *pd = (struct pthread *) threadid;
+
+ /* Make sure the descriptor is valid. */
+ if (INVALID_TD_P (pd))
+ /* Not a valid thread handle. */
+ return ESRCH;
+
int result = 0;
/* We have to handle cancellation in the following code since we are
locking another threads desriptor. */
- pthread_cleanup_push ((void (*) (void *)) lll_unlock_wake_cb, &thread->lock);
+ pthread_cleanup_push ((void (*) (void *)) lll_unlock_wake_cb, &pd->lock);
- lll_lock (thread->lock);
+ lll_lock (pd->lock);
/* Try to set the scheduler information. */
- if (__builtin_expect (__sched_setscheduler (thread->tid, policy,
+ if (__builtin_expect (__sched_setscheduler (pd->tid, policy,
param) == -1, 0))
result = errno;
else
{
/* We succeeded changing the kernel information. Reflect this
change in the thread descriptor. */
- thread->schedpolicy = policy;
- memcpy (&thread->schedparam, param, sizeof (struct sched_param));
+ pd->schedpolicy = policy;
+ memcpy (&pd->schedparam, param, sizeof (struct sched_param));
}
- lll_unlock (thread->lock);
+ lll_unlock (pd->lock);
pthread_cleanup_pop (0);