fusl/src/thread/pthread_cond_destroy.c

#include "pthread_impl.h"

int pthread_cond_destroy(pthread_cond_t* c) {
  if (c->_c_shared && c->_c_waiters) {
    int cnt;
    a_or(&c->_c_waiters, 0x80000000);
    a_inc(&c->_c_seq);
    __wake(&c->_c_seq, -1, 0);
    while ((cnt = c->_c_waiters) & 0x7fffffff)
      __wait(&c->_c_waiters, 0, cnt, 0);
  }
  return 0;
}