ICE_STATE_CONTROLQ_EVENT_PENDING
case ICE_STATE_CONTROLQ_EVENT_PENDING:
ice_set_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING);
} else if (ice_testandclear_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING)) {
ice_set_state(&sc->state, ICE_STATE_CONTROLQ_EVENT_PENDING);