1 #include "pthread_impl.h" 2 pthread_barrier_destroy(pthread_barrier_t * b)3int 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