Function writer

tests/test_waiting_async.py:85–92

()

    ev = AEvent()

    async def writer():
        # Wake up the socket, or let it time out, according to the expected `ready`.
        await ev.wait()
        assert port
        await asleep(delay)
        if ready == waiting.Ready.R:
            with socket.create_connection(("127.0.0.1", port)):
                pass

    tasks = [spawn(writer)]