Function clearTasks

pdal/util/ThreadPool.hpp:96–102

Empty the queue of tasks that may have been waiting to run.

    // Empty the queue of tasks that may have been waiting to run.
    PDAL_EXPORT void clearTasks()
    {
        // Effectively clear the queue.
        std::lock_guard<std::mutex> lock(m_mutex);
        std::queue<std::function<void()>> q;
        m_tasks.swap(q);
    }

    // Wait for all current tasks to complete.  As opposed to join, tasks may
    // continue to be added while a thread is await()-ing the queue to empty.