WDOG_MODE_ETICKLE
prep_wmode(&wm, WDOG_MODE_ETICKLE, name, period);
(cancel_on_close) ? WDOG_MODE_UTICKLE : WDOG_MODE_ETICKLE, name,
case WDOG_MODE_ETICKLE:
[ WDOG_MODE_ETICKLE ] = "ETICKLE"
case WDOG_MODE_ETICKLE:
wm.wm_mode = WDOG_MODE_ETICKLE;