rem: if (!message)
add: if (!sMessagingService) return B_NO_INIT;  if (!sMessagingService->Lock())
context: send_message(const KMessage *message, const messaging_target *targets,	int32 targetCount){	if (!message)		return B_BAD_VALUE;	return send_message(message->Buffer(), message->ContentSize(), targets,		targetCount);}