DBusConnection.setExitOnClose

Sets whether the process should be terminated when connection is closed by the remote peer. See #GDBusConnection:exit-on-close for more details.

Note that this function should be used with care. Most modern UNIX desktops tie the notion of a user session with the session bus, and expect all of a user's applications to quit when their bus connection goes away. If you are setting exit_on_close to false for the shared session bus connection, you should make sure that your application exits when the user session ends.