xbt_socket_new_ext(1, &res, sock->plugin, sock->buf_size, 0);
sd = accept(sock->sd, (struct sockaddr *) &peer_in, &peer_in_len);
xbt_socket_new_ext(1, &res, sock->plugin, sock->buf_size, 0);
sd = accept(sock->sd, (struct sockaddr *) &peer_in, &peer_in_len);