Method getsockopt

tools/python-3.11.9-amd64/Lib/asyncore.py:610–616

(self, level, optname, buflen=None)

            return os.write(self.fd, *args)

        def getsockopt(self, level, optname, buflen=None):
            if (level == socket.SOL_SOCKET and
                optname == socket.SO_ERROR and
                not buflen):
                return 0
            raise NotImplementedError("Only asyncore specific behaviour "
                                      "implemented.")

        read = recv
        write = send