selector_events.py 文件源码

def _sock_connect_cb(self, fut, sock, address):
        if fut.cancelled():
            return

        try:
            err = sock.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
            if err != 0:
                # Jump to any except clause below.
                raise OSError(err, 'Connect call failed %s' % (address,))
        except (BlockingIOError, InterruptedError):
            # socket is still registered, the callback will be retried later
            pass
        except Exception as exc:
            fut.set_exception(exc)
        else:
            fut.set_result(None)