pthread_barrier_destroy.c raw

   1  #include "pthread_impl.h"
   2  
   3  int pthread_barrier_destroy(pthread_barrier_t *b)
   4  {
   5  	if (b->_b_limit < 0) {
   6  		if (b->_b_lock) {
   7  			int v;
   8  			a_or(&b->_b_lock, INT_MIN);
   9  			while ((v = b->_b_lock) & INT_MAX)
  10  				__wait(&b->_b_lock, 0, v, 0);
  11  		}
  12  		__vm_wait();
  13  	}
  14  	return 0;
  15  }
  16