Question

摘要：客户端与其他用户在Teamspeak服务器中。当其他用户开始讲话时，此插件每500毫秒对用户运行一个函数setSpeakerPosition()，直到他们停止说话。如果他们再次开始说话，它应该再做一次。

问题：如果我每次开始说话时只做一个.reset(new boost::thread(...))，它似乎会覆盖现有的线程（如果他们之前说过的话）并导致崩溃。我相信我需要'复活'现有的线程，或者正确杀死它。

// Create an array like: speakingThreads[client_id] = array(bIsSpeaking, ptrThread)
typedef boost::shared_ptr<boost::thread> SmartThread;
map<anyID, pair<bool, SmartThread>> speakingThreads;

// Called when someone starts or stops talking
void ts3plugin_onTalkStatusChangeEvent(uint64 serverConnectionHandlerID, int status, int isReceivedWhisper, anyID clientID) {

    // Get my client id
    anyID myID;
    ts3Functions.getClientID(serverConnectionHandlerID, &myID);

    // If someone else starts talking
    if(clientID != myID && status == STATUS_TALKING) {
        // Set client to 'is speaking' (allows thread loop to run)
        speakingThreads[clientID].first = true;

        // If this is the first time they have spoken, start a thread
        if(speakingThreads[clientID].second == NULL) {
            // Create thread to keep updating speaker position while he's speaking
            speakingThreads[clientID].second.reset(new boost::thread(speakerActiveThread, serverConnectionHandlerID, clientID));
            _log("Starting Thread", 0);
        }
        // Or if they've spoken before, revive the thread
        else {
            speakingThreads[clientID].second->speakerActiveThread(serverConnectionHandlerID, clientID); // error C2039: 'speakerActiveThread' : is not a member of 'boost::thread'
            _log("Reviving Thread", 0);
        }
    }
    // If someone else stops talking
    else if(clientID != myID && status == STATUS_NOT_TALKING) {
        if(speakingThreads.find(clientID) != speakingThreads.end()) {
            // Disable thread loop for the speaker to stop updating his position
            speakingThreads[clientID].first = false;
            _log("Interrupted Speaking Thread", 0);
        }
    }
}

// Thread run when someone starts speaking, loops until they finish speaking
void speakerActiveThread(uint64 serverConnectionHandlerID, anyID clientID) {
    // While client 'is speaking'
    while(speakingThreads[clientID].first) {
        if(setSpeakerPosition(serverConnectionHandlerID, clientID) != ERROR_ok) {
            _log("ERROR Setting Speaker Position", 1);
        }
        _log("Set Speaker Position", 0);
        Sleep(UPDATE_SPEAKER_MS); // 500
    }
}

Answer 1

你不能“复活”线程。在创建了boost :: thread对象之后，向它传递一个你想要执行的线程函数，该函数在一个单独的OS线程中运行;当函数结束时 - 线程结束（退出）。请注意，如果boost :: thread对象被破坏（例如，超出范围），则不会影响线程本身。

C ++ - 如何使用boost恢复线程？

1 个答案: