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authorUlrich Drepper <drepper@redhat.com>2006-08-14 23:11:18 +0000
committerUlrich Drepper <drepper@redhat.com>2006-08-14 23:11:18 +0000
commitf17efcb43e500d4af62b71bd6f286af831069b5a (patch)
treebf062a11f158b5bc8e33e42cc85e625751bacf94 /nptl/pthread_mutex_getprioceiling.c
parent107b8a922a9f72bae8d066549c675062bee0897f (diff)
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* sysdeps/powerpc/powerpc32/dl-trampoline.S (_dl_runtime_resolve):
Don't clobber caller's LRSAVE. (_dl_prof_resolve): Likewise.
Diffstat (limited to 'nptl/pthread_mutex_getprioceiling.c')
-rw-r--r--nptl/pthread_mutex_getprioceiling.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/nptl/pthread_mutex_getprioceiling.c b/nptl/pthread_mutex_getprioceiling.c
index 4d1bc28431..1ce5eaebef 100644
--- a/nptl/pthread_mutex_getprioceiling.c
+++ b/nptl/pthread_mutex_getprioceiling.c
@@ -18,6 +18,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <errno.h>
#include <pthreadP.h>
@@ -26,7 +27,11 @@ pthread_mutex_getprioceiling (mutex, prioceiling)
const pthread_mutex_t *mutex;
int *prioceiling;
{
- *prioceiling = (mutex->__data.__kind & PTHREAD_MUTEX_PRIO_CEILING_MASK)
+ if (__builtin_expect ((mutex->__data.__kind
+ & PTHREAD_MUTEX_PRIO_PROTECT_NP) == 0, 0))
+ return EINVAL;
+
+ *prioceiling = (mutex->__data.__lock & PTHREAD_MUTEX_PRIO_CEILING_MASK)
>> PTHREAD_MUTEX_PRIO_CEILING_SHIFT;
return 0;