rem: acquire_sem(sAppServer->fAppListLock);
add: BAutolock locker(sAppServer->fAppListLock);
context: BroadcastToAllApps(const int32 &code){	acquire_sem(sAppServer->fAppListLock);	for (int32 i = 0; i < sAppServer->fAppList.CountItems(); i++) {		ServerApp *app = (ServerApp *)sAppServer->fAppList.ItemAt(i);		if (!app) {			printf("PANIC in Broadcast()\n");			continue;		}		app->PostMessage(code);	}	release_sem(sAppServer->fAppListLock);}