/* Determine the (PAM) service name this session was registered by. */
int sd_session_get_service(const char *session, char **service);
+/* Determine the type of this session, i.e. one of "tty", "x11" or "unspecified". */
+int sd_session_get_type(const char *session, char **type);
+
+/* Determine the class of this session, i.e. one of "user", "greeter" or "lock-screen". */
+int sd_session_get_class(const char *session, char **class);
+
/* Return active session and user of seat */
int sd_seat_get_active(const char *seat, char **session, uid_t *uid);