Beispiel #1
0
void ThreadPool::setConcurrentJobs(int concurrentJobs)
{
    if (concurrentJobs == mConcurrentJobs)
        return;
    if (concurrentJobs > mConcurrentJobs) {
        std::lock_guard<std::mutex> lock(mMutex);
        for (int i = mConcurrentJobs; i < concurrentJobs; ++i) {
            mThreads.push_back(new ThreadPoolThread(this));
            mThreads.back()->start(mPriority, mThreadStackSize);
        }
        mConcurrentJobs = concurrentJobs;
    } else {
        std::unique_lock<std::mutex> lock(mMutex);
        for (int i = mConcurrentJobs; i > concurrentJobs; --i) {
            ThreadPoolThread* t = mThreads.back();
            mThreads.pop_back();
            lock.unlock();
            t->stop();
            t->join();
            lock.lock();
            delete t;
        }
        mConcurrentJobs = concurrentJobs;
    }
}
Beispiel #2
0
ThreadPool::~ThreadPool()
{
    if (sInstance == this)
        sInstance = 0;
    std::unique_lock<std::mutex> lock(mMutex);
    mJobs.clear();
    lock.unlock();
    for (List<ThreadPoolThread*>::iterator it = mThreads.begin();
         it != mThreads.end(); ++it) {
        ThreadPoolThread* t = *it;
        t->stop();
        t->join();
        delete t;
    }
}