At 04:31 PM 7/6/2001 +0200, Thies C. Arntzen wrote:
>On Fri, Jul 06, 2001 at 05:12:07PM +0300, Andi Gutmans wrote:
> > Thies,
> >
> > I have thought about your problem. Your patch fixed your test case but it
> > won't fix all test cases. It is pretty much impossible to make sure on
> > bailout (including exit() and errors) that all of the reference counts of
> > the variables will go down to 0 even if we clean the call stack. This is
> > due to necessary internal locking of variables in Zend.
>
> i don't understand why we cant go thru the call-stack and
> del-ref all the arguments? we're shutting down anyhow -
> right?
>
> also i'm *not talking* about bail at all - bail dosn't work
> anyhow - and there's no good way to fix it IMHO. but what
> needs to work is calling exit() from a function if there are
> resources somewhere on the stack.
Because as I mentioned there might be locked variables which aren't in the
call stack. This is what I could think of right now but there might be
other problems too.
> > I think we need to think of a better way to handle resource shutdowns
> > (maybe with priorities).
>
> this will be major headache, right?
>
> don't get me wrong, but i need this to get fixed elsewise
> using refcounts for dependicies is simply not working and i
> would have to think of something different - which would be a
> real shame.
Don't get me wrong. I really want to help you :) I just can't think of a
great way right now. The only thing I could think of is making the resource
shutdown smarter (will probably be quite a bit slower though).
Andi
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