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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;