summaryrefslogtreecommitdiff
path: root/nptl/pthread_mutexattr_setprioceiling.c
diff options
context:
space:
mode:
Diffstat (limited to 'nptl/pthread_mutexattr_setprioceiling.c')
-rw-r--r--nptl/pthread_mutexattr_setprioceiling.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/nptl/pthread_mutexattr_setprioceiling.c b/nptl/pthread_mutexattr_setprioceiling.c
index 6c15b46833..9b7874f739 100644
--- a/nptl/pthread_mutexattr_setprioceiling.c
+++ b/nptl/pthread_mutexattr_setprioceiling.c
@@ -27,7 +27,15 @@ pthread_mutexattr_setprioceiling (attr, prioceiling)
pthread_mutexattr_t *attr;
int prioceiling;
{
- if (prioceiling < 0 || __builtin_expect (prioceiling > 255, 0))
+ if (__sched_fifo_min_prio == -1)
+ __init_sched_fifo_prio ();
+
+ if (__builtin_expect (prioceiling < __sched_fifo_min_prio, 0)
+ || __builtin_expect (prioceiling > __sched_fifo_max_prio, 0)
+ || __builtin_expect ((prioceiling
+ & (PTHREAD_MUTEXATTR_PRIO_CEILING_MASK
+ >> PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT))
+ != prioceiling, 0))
return EINVAL;
struct pthread_mutexattr *iattr = (struct pthread_mutexattr *) attr;