Re: [PATCH 0/13] MR3597: mshtml: Implement Cycle Collection for all mshtml objects (dispex), part 5.

[Jacek Caban (＠jacek)]

Jacek Caban (@jacek) commented about dlls/mshtml/xmlhttprequest.c:
> static ULONG WINAPI HTMLXMLHttpRequest_Release(IHTMLXMLHttpRequest *iface)
>  {
>      HTMLXMLHttpRequest *This = impl_from_IHTMLXMLHttpRequest(iface);
> -    LONG ref = InterlockedDecrement(&This->ref);
> +    LONG ref = dispex_ref_decr(&This->event_target.dispex);
>
> TRACE("(%p) ref=%ld\n", This, ref);
>
> +    /* The Cycle Collector might delay the unlink or destruction after ref reaches 0,
> +       but we don't want a task to possibly grab ref to us and send events anymore. */
> If we reach 0 ref count, it means that we're already unlinked, so where do those events come from?

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https://gitlab.winehq.org/wine/wine/-/merge_requests/3597#note_42641