src/thread/pthread_barrier_destroy.c

   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 }