THROTL_TG_PENDING
if (tg->flags & THROTL_TG_PENDING) {
if (!(tg->flags & THROTL_TG_PENDING))
if (!(tg->flags & THROTL_TG_PENDING)) {
tg->flags |= THROTL_TG_PENDING;
if (tg->flags & THROTL_TG_PENDING) {
tg->flags &= ~THROTL_TG_PENDING;