/* Send data through an IPC channel and wait for the relpy.  */
rt_err_t rt_raw_channel_send_recv(rt_channel_t ch, rt_channel_msg_t data, rt_channel_msg_t data_ret)
/* Send data through an IPC channel and wait for the relpy.  */
rt_err_t rt_raw_channel_send_recv(rt_channel_t ch, rt_channel_msg_t data, rt_channel_msg_t data_ret)
{
    return _send_recv_timeout(ch, data, 1, data_ret, RT_WAITING_FOREVER);
}