Method _do_shutdown

Lib/asyncio/base_events.py:619–627

(self, future)

            thread.join()

    def _do_shutdown(self, future):
        try:
            self._default_executor.shutdown(wait=True)
            if not self.is_closed():
                self.call_soon_threadsafe(futures._set_result_unless_cancelled,
                                          future, None)
        except Exception as ex:
            if not self.is_closed() and not future.cancelled():
                self.call_soon_threadsafe(future.set_exception, ex)

    def _check_running(self):
        if self.is_running():