> int
> incref(Ref *r)
> {
> int x;
>
> x = ainc(&r->ref);
> if(x <= 0)
> panic("incref pc=%#p", getcallerpc(&r));
> return x;
> }
ah, yes. i'd not remembered this nice implementation.
then your ainc is guard-free? and your Ref is struct Ref {int ref;}?
also, did you decide that any reuse of the ref lock is already buggy and needs
no further review? that's the bit i got bogged down on.
- erik
