Method dispatch

src/UtilsCtrl/ThreadPool/UThreadPool.cpp:209–223

CIndex UThreadPool::dispatch(const CIndex origIndex) {
    CIndex realIndex = 0;
    if (CGRAPH_DEFAULT_TASK_STRATEGY == origIndex) {
        realIndex = cur_index_.fetch_add(1, std::memory_order_relaxed) % config_.max_thread_size_;
        if (realIndex >= 0 && realIndex < config_.default_thread_size_
            && primary_threads_[realIndex]->is_running_) {
            // 如果是默认调度，并且被放置到 正在running 的pt中，则切换为 trigger_one 的策略，防止阻塞
            realIndex = CGRAPH_TRIGGER_ALL_THREAD_STRATEGY;
        }
    } else {
        realIndex = origIndex;
    }

    return realIndex;    // 交到上游去判断，走哪个线程
}


CStatus UThreadPool::createSecondaryThread(const CInt size) {