Function _pthread_once_raw

include/hamlib/winpthreads.h:243–274

}

static int _pthread_once_raw(pthread_once_t *o, void (*func)(void))
{
	long state = *o;

	_ReadWriteBarrier();

	while (state != 1)
	{
		if (!state)
		{
			if (!_InterlockedCompareExchange(o, 2, 0))
			{
				/* Success */
				func();

				/* Mark as done */
				*o = 1;

				return 0;
			}
		}

		YieldProcessor();

		_ReadWriteBarrier();

		state = *o;
	}

	/* Done */
	return 0;
}

static int pthread_mutex_lock(pthread_mutex_t *m)
{