SESSION_TTY       554 src/login/logind-dbus.c                         t = SESSION_TTY;
SESSION_TTY      1173 src/login/logind-session.c         [SESSION_TTY] = "tty",
SESSION_TTY       746 src/login/logind-user.c                 else if (s->type == SESSION_TTY)
SESSION_TTY       765 src/login/logind-user.c              u->display->type != SESSION_TTY)) {