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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /nptl/pthread_setschedprio.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
downloadglibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz
2.5-18.1
Diffstat (limited to 'nptl/pthread_setschedprio.c')
-rw-r--r--nptl/pthread_setschedprio.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/nptl/pthread_setschedprio.c b/nptl/pthread_setschedprio.c
index 063f5232f5..4a71f6c7b3 100644
--- a/nptl/pthread_setschedprio.c
+++ b/nptl/pthread_setschedprio.c
@@ -47,6 +47,11 @@ pthread_setschedprio (threadid, prio)
lll_lock (pd->lock);
+ /* If the thread should have higher priority because of some
+ PTHREAD_PRIO_PROTECT mutexes it holds, adjust the priority. */
+ if (__builtin_expect (pd->tpp != NULL, 0) && pd->tpp->priomax > prio)
+ param.sched_priority = pd->tpp->priomax;
+
/* Try to set the scheduler information. */
if (__builtin_expect (sched_setparam (pd->tid, &param) == -1, 0))
result = errno;
@@ -54,6 +59,7 @@ pthread_setschedprio (threadid, prio)
{
/* We succeeded changing the kernel information. Reflect this
change in the thread descriptor. */
+ param.sched_priority = prio;
memcpy (&pd->schedparam, &param, sizeof (struct sched_param));
pd->flags |= ATTR_FLAG_SCHED_SET;
}