Method _finish_recvfrom

Lib/asyncio/windows_events.py:472–481

(cls, trans, key, ov, *, empty_result)

    @classmethod
    def _finish_recvfrom(cls, trans, key, ov, *, empty_result):
        try:
            return cls.finish_socket_func(trans, key, ov)
        except OSError as exc:
            # WSARecvFrom will report ERROR_PORT_UNREACHABLE when the same
            # socket is used to send to an address that is not listening.
            if exc.winerror == _overlapped.ERROR_PORT_UNREACHABLE:
                return empty_result, None
            else:
                raise

    def recv(self, conn, nbytes, flags=0):
        self._register_with_iocp(conn)