"unable to write q to triggerPipe");
		}
		close(triggerPipe);
		pthread_mutex_lock(&notifierMutex);
		while(triggerPipe != -1) {
		    pthread_cond_wait(&notifierCV, &notifierMutex);
		}
		pthread_mutex_lock(&notifierMutex);
		pthread_mutex_unlock(&notifierMutex);
		if (notifierThreadRunning) {
		    int result = pthread_join((pthread_t) notifierThread, NULL);

		    if (result) {
			Tcl_Panic("Tcl_FinalizeNotifier: unable to join notifier "
				"thread");
		    }