PR_AtomicDecrement(&slot->base.refCount); if (slot->base.refCount == 0) {
if (PR_AtomicDecrement(&slot->base.refCount) == 0) {
nssSlot_Destroy (  NSSSlot *slot){    if (slot) {	PR_AtomicDecrement(&slot->base.refCount);	if (slot->base.refCount == 0) {	    PZ_DestroyLock(slot->base.lock);#ifdef PURE_STAN_BUILD	    nssToken_Destroy(slot->token);	    nssModule_DestroyFromSlot(slot->module, slot);#endif	    return nssArena_Destroy(slot->base.arena);	}    }    return PR_SUCCESS;}