gevent.py 文件源码

def stop(self):
        """Stop the greenlet workers and empty all queues."""
        with self._state_change:
            if not self._running:
                return

            self._running = False

            for queue in (self.callback_queue,):
                queue.put(_STOP)

            while self._workers:
                worker = self._workers.pop()
                worker.join()

            # Clear the queues
            self.callback_queue = Queue()  # pragma: nocover

            python2atexit.unregister(self.stop)