NG_SOURCE_ACTIVE
if ((sc->node->nd_flags & NG_SOURCE_ACTIVE)
if (sc->node->nd_flags & NG_SOURCE_ACTIVE)
sc->node->nd_flags |= NG_SOURCE_ACTIVE;
sc->node->nd_flags &= ~NG_SOURCE_ACTIVE;
|| (sc->node->nd_flags & NG_SOURCE_ACTIVE) == 0) {
KASSERT(sc->node->nd_flags & NG_SOURCE_ACTIVE,