if (chanInfoPtr->watchMask & TCL_READABLE) {
	    if (RingBufferLength(&handleInfoPtr->buffer) > 0
		|| handleInfoPtr->lastError != ERROR_SUCCESS) {
		needEvent = 1; /* Input data available or error/EOF */
	    }
	    /*
	     * TCL_READABLE watch means someone is looking out for data being
	     * available, let reader thread know. Note channel need not be
	     * ASYNC! (Bug [baa51423c2])
	     */
	    handleInfoPtr->flags |= CONSOLE_DATA_AWAITED;
	    WakeConditionVariable(&handleInfoPtr->consoleThreadCV);
	}
	else if (chanInfoPtr->watchMask & TCL_WRITABLE) {
	    if (RingBufferHasFreeSpace(&handleInfoPtr->buffer)) {
		needEvent = 1; /* Output space available */