MBO_E_CLOSE
if (unlikely(c->is_poisoned || (mbo->status == MBO_E_CLOSE))) {
if (unlikely(c->is_poisoned || (mbo->status == MBO_E_CLOSE)))
mbo->status = MBO_E_CLOSE;
mbo->status = MBO_E_CLOSE;
mbo->status = MBO_E_CLOSE;