Method stop

python/python3/tornado/ioloop.py:442–453

Stop the I/O loop. If the event loop is not currently running, the next call to `start()` will return immediately. Note that even after `stop` has been called, the `IOLoop` is not completely stopped until `IOLoop.start` has also returned. Some work that was

(self)

        raise NotImplementedError()

    def stop(self) -> None:
        """Stop the I/O loop.

        If the event loop is not currently running, the next call to `start()`
        will return immediately.

        Note that even after `stop` has been called, the `IOLoop` is not
        completely stopped until `IOLoop.start` has also returned.
        Some work that was scheduled before the call to `stop` may still
        be run before the `IOLoop` shuts down.
        """
        raise NotImplementedError()

    def run_sync(self, func: Callable, timeout: Optional[float] = None) -> Any:
        """Starts the `IOLoop`, runs the given function, and stops the loop.