Method _help_stuff_finish

Lib/multiprocessing/pool.py:946–954

(inqueue, task_handler, size)

    @staticmethod
    def _help_stuff_finish(inqueue, task_handler, size):
        # drain inqueue, and put sentinels at its head to make workers finish
        try:
            while True:
                inqueue.get(block=False)
        except queue.Empty:
            pass
        for i in range(size):
            inqueue.put(None)

    def _wait_for_updates(self, sentinels, change_notifier, timeout):
        time.sleep(timeout)