- System usage: #define EX_REQUEST_TTY 520
- Application usage: #define APP_EX_REQUEST_TTY -1520
- Processed by: sxdwm display manager drivers (_exhibition-dwm, _exhibition-tty,** etc.)
Description: Another process is requesting that exhibition-tty manage a pre-existing session or create a new one. String message format indicates session number. exhibition-tty will then send a 521 EX_PROMPT_TTY. If no session is provided, exhibition-tty will take over the lowest-numbered session belonging to the indicated user.