diff options
Diffstat (limited to 'src/thread/pthread_rwlock_trywrlock.c')
| -rw-r--r-- | src/thread/pthread_rwlock_trywrlock.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/src/thread/pthread_rwlock_trywrlock.c b/src/thread/pthread_rwlock_trywrlock.c index 202e256a..bb3d3a99 100644 --- a/src/thread/pthread_rwlock_trywrlock.c +++ b/src/thread/pthread_rwlock_trywrlock.c @@ -2,12 +2,6 @@ int pthread_rwlock_trywrlock(pthread_rwlock_t *rw) { - if (a_xchg(&rw->_rw_wrlock, 1)) - return EBUSY; - if (rw->_rw_readers) { - a_store(&rw->_rw_wrlock, 0); - return EBUSY; - } - rw->_rw_owner = pthread_self()->tid; + if (a_cas(&rw->_rw_lock, 0, 0x7fffffff)) return EBUSY; return 0; } |