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

   1 #include "pthread_impl.h"
   2
   3 void __vm_lock(int), __vm_unlock(void);
   4
   5 int pthread_barrier_destroy(pthread_barrier_t *b)
   6 {
   7         if (b->_b_limit < 0) {
   8                 if (b->_b_lock) {
   9                         int v;
  10                         a_or(&b->_b_lock, INT_MIN);
  11                         while ((v = b->_b_lock) & INT_MAX)
  12                                 __wait(&b->_b_lock, 0, v, 0);
  13                 }
  14                 __vm_lock(-1);
  15                 __vm_unlock();
  16         }
  17         return 0;
  18 }