RTW_F_ENABLED
if ((rsc->sc_flags & RTW_F_ENABLED) == 0)
rsc->sc_flags &= ~RTW_F_ENABLED;
if ((rsc->sc_flags & RTW_F_ENABLED) == 0) {
rsc->sc_flags |= RTW_F_ENABLED;
ASSERT((rsc->sc_flags & RTW_F_ENABLED) != 0);