SC_XATTACHED
sc->sc_flags |= SC_XATTACHED;
sc->sc_flags &= ~SC_XATTACHED;
sc->sc_flags &= ~SC_XATTACHED;
if (!(sc->sc_flags & SC_XATTACHED) ||
scr->sc->sc_flags |= SC_XATTACHED;
scr->sc->sc_flags &= ~SC_XATTACHED;
sc->sc_flags |= SC_XATTACHED;
sc->sc_flags &= ~SC_XATTACHED;
if (sc->sc_flags & SC_XATTACHED) {
if (sc->sc_flags & SC_XATTACHED) {
return !(sc->sc_flags & SC_XATTACHED);