Function pthread_cond_init

mysys/my_wincond.c:251–271

*/

int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr)
{
  /*
    Once initialization is used here rather than in my_init(), to 
    1) avoid  my_init() pitfalls- undefined order in which initialization should
    run
    2) be potentially useful C++ (in static constructors that run before main())
    3) just to simplify the API.
    Also, the overhead of my_pthread_once is very small.
  */
  static my_pthread_once_t once_control= MY_PTHREAD_ONCE_INIT;
  my_pthread_once(&once_control, check_native_cond_availability);

  if (have_native_conditions)
  {
    my_InitializeConditionVariable(&cond->native_cond);
    return 0;
  }
  else 
    return legacy_cond_init(cond, attr);
}


int pthread_cond_destroy(pthread_cond_t *cond)