How to use the pycares.ARES_SOCKET_BAD function in pycares

def wait(self):
        while True:
            read_fds, write_fds = self.channel.getsock()
            if not read_fds and not write_fds:
                break
            timeout = self.channel.timeout()
            if timeout == 0.0:
                self.channel.process_fd(pycares.ARES_SOCKET_BAD, pycares.ARES_SOCKET_BAD)
                continue
            rlist, wlist, xlist = select.select(read_fds, write_fds, [], timeout)
            for fd in rlist:
                self.channel.process_fd(fd, pycares.ARES_SOCKET_BAD)
            for fd in wlist:
                self.channel.process_fd(pycares.ARES_SOCKET_BAD, fd)

def wait(self):
        while True:
            read_fds, write_fds = self.channel.getsock()
            if not read_fds and not write_fds:
                break
            timeout = self.channel.timeout()
            if timeout == 0.0:
                self.channel.process_fd(pycares.ARES_SOCKET_BAD, pycares.ARES_SOCKET_BAD)
                continue
            rlist, wlist, xlist = select.select(read_fds, write_fds, [], timeout)
            for fd in rlist:
                self.channel.process_fd(fd, pycares.ARES_SOCKET_BAD)
            for fd in wlist:
                self.channel.process_fd(pycares.ARES_SOCKET_BAD, fd)

def _wait_channel(cls):
        try:
            while True:
                read_fds, write_fds = cls._channel.getsock()
                if not read_fds and not write_fds:
                    break
                timeout = cls._channel.timeout()
                if not timeout:
                    cls._channel.process_fd(pycares.ARES_SOCKET_BAD,
                                            pycares.ARES_SOCKET_BAD)
                    continue
                rlist, wlist, xlist = select.select(
                    read_fds, write_fds, [], timeout)
                for fd in rlist:
                    cls._channel.process_fd(fd, pycares.ARES_SOCKET_BAD)
                for fd in wlist:
                    cls._channel.process_fd(pycares.ARES_SOCKET_BAD, fd)
        except Exception:
            logging.log_exception(__name__)
            cls._channel.cancel()
            cls._channel = None
            raise
        finally:
            cls._thread = None

def _poll_cb(self, handle, events, error):
        read_fd = handle.fd
        write_fd = handle.fd
        if error is not None:
            # There was an error, pretend the socket is ready
            self._channel.process_fd(read_fd, write_fd)
            return
        if not events & pyuv.UV_READABLE:
            read_fd = pycares.ARES_SOCKET_BAD
        if not events & pyuv.UV_WRITABLE:
            write_fd = pycares.ARES_SOCKET_BAD
        self._channel.process_fd(read_fd, write_fd)

def wait_channel(channel):
    while True:
        read_fds, write_fds = channel.getsock()
        if not read_fds and not write_fds:
            break
        timeout = channel.timeout()
        if not timeout:
            channel.process_fd(pycares.ARES_SOCKET_BAD, pycares.ARES_SOCKET_BAD)
            continue
        rlist, wlist, xlist = select.select(read_fds, write_fds, [], timeout)
        for fd in rlist:
            channel.process_fd(fd, pycares.ARES_SOCKET_BAD)
        for fd in wlist:
            channel.process_fd(pycares.ARES_SOCKET_BAD, fd)

def wait_channel(channel):
    while True:
        read_fds, write_fds = channel.getsock()
        if not read_fds and not write_fds:
            break
        timeout = channel.timeout()
        if not timeout:
            channel.process_fd(pycares.ARES_SOCKET_BAD, pycares.ARES_SOCKET_BAD)
            continue
        rlist, wlist, xlist = select.select(read_fds, write_fds, [], timeout)
        for fd in rlist:
            channel.process_fd(fd, pycares.ARES_SOCKET_BAD)
        for fd in wlist:
            channel.process_fd(pycares.ARES_SOCKET_BAD, fd)

def wait_channel(self):
        while True:
            if not self._fd_map:
                break
            timeout = self._channel.timeout(1.0)
            if not timeout:
                self._channel.process_fd(pycares.ARES_SOCKET_BAD, pycares.ARES_SOCKET_BAD)
                continue
            for key, event in self.poll.select(timeout):
                read_fd = key.fd if event & selectors.EVENT_READ else pycares.ARES_SOCKET_BAD
                write_fd = key.fd if event & selectors.EVENT_WRITE else pycares.ARES_SOCKET_BAD
                self._channel.process_fd(read_fd, write_fd)

def wait_channel(self):
        while True:
            if not self._fd_map:
                break
            timeout = self._channel.timeout(1.0)
            if not timeout:
                self._channel.process_fd(pycares.ARES_SOCKET_BAD, pycares.ARES_SOCKET_BAD)
                continue
            for key, event in self.poll.select(timeout):
                read_fd = key.fd if event & selectors.EVENT_READ else pycares.ARES_SOCKET_BAD
                write_fd = key.fd if event & selectors.EVENT_WRITE else pycares.ARES_SOCKET_BAD
                self._channel.process_fd(read_fd, write_fd)

def _handle_events(self, fd, events):
        read_fd = pycares.ARES_SOCKET_BAD
        write_fd = pycares.ARES_SOCKET_BAD
        if events & IOLoop.READ:
            read_fd = fd
        if events & IOLoop.WRITE:
            write_fd = fd
        self.channel.process_fd(read_fd, write_fd)

def _handle_events(self, fd, events):
        read_fd = pycares.ARES_SOCKET_BAD
        write_fd = pycares.ARES_SOCKET_BAD
        if events & IOLoop.READ:
            read_fd = fd
        if events & IOLoop.WRITE:
            write_fd = fd
        self.channel.process_fd(read_fd, write_fd)