1 #include "pthread_impl.h" 2 3 #ifndef __LITEOS__ 4 extern int __pthread_mutex_timedlock_inner(pthread_mutex_t *restrict m, const struct timespec *restrict at); 5 #endif __pthread_mutex_lock(pthread_mutex_t * m)6int __pthread_mutex_lock(pthread_mutex_t *m) 7 { 8 if ((m->_m_type&15) == PTHREAD_MUTEX_NORMAL 9 && !a_cas(&m->_m_lock, 0, EBUSY)) 10 return 0; 11 12 #ifndef __LITEOS__ 13 return __pthread_mutex_timedlock_inner(m, 0); 14 #else 15 return __pthread_mutex_timedlock(m, 0); 16 #endif 17 } 18 19 weak_alias(__pthread_mutex_lock, pthread_mutex_lock); 20