SWITCH_WAIT_REL
if (cur_scp->status & SWITCH_WAIT_REL) {
if (cur_scp->status & SWITCH_WAIT_REL) {
scp->status |= SWITCH_WAIT_REL;
if (scp == scp->sc->old_scp && scp->status & SWITCH_WAIT_REL) {
scp->status &= ~SWITCH_WAIT_REL;