nsz Git - musl/blob - src/thread/pthread_mutex_lock.c

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