mp->server_rx_fifo = pointer_to_uword (s->rx_fifo);
mp->server_tx_fifo = pointer_to_uword (s->tx_fifo);
mp->segment_handle = session_segment_handle (s);
mp->server_rx_fifo = pointer_to_uword (s->rx_fifo);
mp->server_tx_fifo = pointer_to_uword (s->tx_fifo);
mp->segment_handle = session_segment_handle (s);