ret = para_listen_simple(IPPROTO_TCP, port);
if (ret < 0)
goto err;
sct->listen_fds[0] = ret;
} else {
sct->num_listen_fds = OPT_GIVEN(LISTEN_ADDRESS);
ret = para_listen_simple(IPPROTO_TCP, port);
if (ret < 0)
goto err;
sct->listen_fds[0] = ret;
} else {
sct->num_listen_fds = OPT_GIVEN(LISTEN_ADDRESS);