Method on_timeout

tornado/locks.py:131–134

()

        if timeout:

            def on_timeout() -> None:
                if not waiter.done():
                    future_set_result_unless_cancelled(waiter, False)
                self._garbage_collect()

            io_loop = ioloop.IOLoop.current()
            timeout_handle = io_loop.add_timeout(timeout, on_timeout)