add fast path for normal mutexes back to pthread_mutex_lock

This commit is contained in:
Rich Felker 2011-08-07 04:50:02 -04:00
parent 188ebf51b4
commit b2b95a58b4

View File

@ -2,5 +2,8 @@
int pthread_mutex_lock(pthread_mutex_t *m)
{
if (m->_m_type == PTHREAD_MUTEX_NORMAL && !a_cas(&m->_m_lock, 0, EBUSY))
return 0;
return pthread_mutex_timedlock(m, 0);
}