metadata_data->handle = lur.ret_val;
DBG("received metadata handle %u", metadata_data->handle);
metadata_data->memory_map_size = lur.u.channel.memory_map_size;
/* get shm fd */
ret = ustcomm_recv_fd(sock);
if (ret < 0)
metadata_data->handle = lur.ret_val;
DBG("received metadata handle %u", metadata_data->handle);
metadata_data->memory_map_size = lur.u.channel.memory_map_size;
/* get shm fd */
ret = ustcomm_recv_fd(sock);
if (ret < 0)