(gobject:define-gflags "GtkApplicationInhibitFlags" application-inhibit-flags
  (:export t
   :type-initializer "gtk_application_inhibit_flags_get_type")
  (:logout  #.(ash 1 0))
  (:switch  #.(ash 1 1))
  (:suspend #.(ash 1 2))
  (:idle    #.(ash 1 3)))  

:logout

Inhibit ending the user session by logging out or by shutting down the computer.

:switch

Inhibit user switching.

:suspend

Inhibit suspending the session or computer.

:idle

Inhibit the session being marked as idle and possibly locked.