Method eventClear

src/common/isc_sync.cpp:676–711

SLONG SharedMemoryBase::eventClear(event_t* event)
{
/**************************************
 *
 *	I S C _ e v e n t _ c l e a r
 *
 **************************************
 *
 * Functional description
 *	Clear an event preparatory to waiting on it.  The order of
 *	battle for event synchronization is:
 *
 *	    1.  Clear event.
 *	    2.  Test data structure for event already completed
 *	    3.  Wait on event.
 *
 **************************************/

	fb_assert(event->event_pid == getpid());

#if defined(WIN_NT)

	ResetEvent(event->event_handle);

	return event->event_count + 1;

#else // pthread-based event

	LOG_PTHREAD_ERROR(pthread_mutex_lock(event->event_mutex));
	const SLONG ret = event->event_count + 1;
	LOG_PTHREAD_ERROR(pthread_mutex_unlock(event->event_mutex));
	return ret;

#endif // OS-dependent choice

}


int SharedMemoryBase::eventWait(event_t* event, const SLONG value, const SLONG micro_seconds)