TypeLib containment refcounting
Mike Hearn
m.hearn at signal.qinetiq.com
Tue Jun 17 09:52:30 CDT 2003
> Yes, that's what I think Alexandre's point was. An app can use
> GetTypeInfoOfGuid twice, the same typeinfo object would be returned in
> both calls, you addref the typelib twice, the app can then release that
> typeinfo twice, but with the result that the typeinfo is only destroyed
> once, so the typelib would be only released once with your patch.
Ah, I understand now. Thanks for explaining this to me.
> So, either addref the typelib only if the app does not already have
> references to the typeinfo, or easier, always release the typelib in the
> typeinfo's release whether or not it's the last reference (I'm not sure
> you'd ever get to the last reference anyway because the typelib
> structure keeps internal references to typeinfo objects too).
Yeah, I think moving the TypeLib release to the TypeInfo release method
would be the best option here. I will try and resubmit the patch in the
next couple of days.
thanks -mike
--
Mike Hearn <m.hearn at signal.qinetiq.com>
QinetiQ - Malvern Technology Center
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