F_ROOTINTR
if ((t->flags & F_ROOTINTR) || !gcq_empty(&t->q[Q_CALLBACKS])) {
t->flags |= F_ROOTINTR;
if (__predict_false(t->flags & F_ROOTINTR)) {
t->flags &= ~F_ROOTINTR;
t->flags |= F_NODEV|F_CCONNECT|F_ROOTINTR;
t->flags |= F_CCONNECT|F_ROOTINTR|F_NODEV;
t->flags |= F_CRESET|F_ROOTINTR;
t->flags |= F_ROOTINTR|F_CCONNECT;
t->flags |= F_NODEV|F_CCONNECT|F_ROOTINTR;
t->flags |= F_CCONNECT|F_ROOTINTR;