TB_IDLE
} else if (state != TB_IDLE) {
mtb->mtb_state = TB_IDLE;
} else if (state != TB_IDLE) {
} else if (mtb->mtb_state != TB_IDLE) {
mtb->mtb_state = TB_IDLE;
ASSERT(state != TB_IDLE);
mtb->mtb_state = TB_IDLE;
mtb->mtb_state = TB_IDLE;