Method GetPendingTask

system/threading/thread_pool.cpp:44–52

Return whether should exit. Note even if return false, the task may be not empty because of remaining tasks before exit was set.

// Return whether should exit. Note even if return false, the task may be not
// empty because of remaining tasks before exit was set.
bool ThreadPool::ThreadContext::GetPendingTask(TaskList* tasks) {
    MutexLocker locker(&mutex);
    free_tasks.splice(*tasks);
    while (pending_tasks.empty() && !exit) {
        cond.Wait();
    }
    tasks->splice(pending_tasks);
    return !exit;
}

ThreadPool::ThreadPool(int num_threads):
    m_num_threads(0), m_num_busy_threads(0), m_exit_cond(&m_exit_lock), m_exit(false) {