diff options
Diffstat (limited to 'nptl/pthread_mutex_timedlock.c')
| -rw-r--r-- | nptl/pthread_mutex_timedlock.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/nptl/pthread_mutex_timedlock.c b/nptl/pthread_mutex_timedlock.c index a4beb7b0dc..dd88cc4ec9 100644 --- a/nptl/pthread_mutex_timedlock.c +++ b/nptl/pthread_mutex_timedlock.c @@ -154,11 +154,14 @@ pthread_mutex_timedlock (pthread_mutex_t *mutex, { /* Try to acquire the lock through a CAS from 0 (not acquired) to our TID | assume_other_futex_waiters. */ - if (__glibc_likely ((oldval == 0) - && (atomic_compare_and_exchange_bool_acq - (&mutex->__data.__lock, - id | assume_other_futex_waiters, 0) == 0))) - break; + if (__glibc_likely (oldval == 0)) + { + oldval + = atomic_compare_and_exchange_val_acq (&mutex->__data.__lock, + id | assume_other_futex_waiters, 0); + if (__glibc_likely (oldval == 0)) + break; + } if ((oldval & FUTEX_OWNER_DIED) != 0) { |