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

   1 #include "pthread_impl.h"
   2
   3 int pthread_mutex_consistent(pthread_mutex_t *m)
   4 {
   5         if (m->_m_type < 8) return EINVAL;
   6         if ((m->_m_lock & 0x3fffffff) != pthread_self()->tid)
   7                 return EPERM;
   8         m->_m_type -= 8;
   9         return 0;
  10 }