• System usage: #define EX_DESTROY_SESSION 514
• Application usage: #define APP_EX_DESTROY_SESSION -1514
• Processed by: sxdwm display manager core (_exhibition-core), sxdwm display manager drivers (_exhibition-dwm, _exhibition-tty,** etc.)

Description: De-allocates the indicated session. If the session is 0, it will be automatically recreated. If the message is a blank string, all sessions will be destroyed. If the message is -1, then the lowest-numbered session matching the indicated user should be destroyed (e.g. if a user abandons use of the unit while buried in a non-TTY dialog). -1 should be translated into a normal EX_DESTROY_SESSION message by a driver.