Method _add_reader

Lib/asyncio/unix_events.py:518–521

(self, fd, callback)

                                 waiter, None)

    def _add_reader(self, fd, callback):
        if not self.is_reading():
            return
        self._loop._add_reader(fd, callback)

    def is_reading(self):
        return not self._paused and not self._closing