diff options
Diffstat (limited to 'nptl/pthread_join.c')
| -rw-r--r-- | nptl/pthread_join.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/nptl/pthread_join.c b/nptl/pthread_join.c index 5954af778d..387f230576 100644 --- a/nptl/pthread_join.c +++ b/nptl/pthread_join.c @@ -66,7 +66,8 @@ pthread_join (threadid, thread_return) /* Wait for the thread to finish. If it is already locked something is wrong. There can only be one waiter. */ - if (atomic_compare_and_exchange_acq (&pd->joinid, self, NULL) != 0) + if (__builtin_expect (atomic_compare_and_exchange_acq (&pd->joinid, self, + NULL) != 0, 0)) /* There is already somebody waiting for the thread. */ return EINVAL; |