[Webkit-unassigned] [Bug 103772] Teach OwnPtr and RefPtr to understand Arena'd objects

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=103772


Maciej Stachowiak <mjs at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |ggaren at apple.com,
                   |                            |rniwa at webkit.org,
                   |                            |sam at webkit.org




--- Comment #1 from Maciej Stachowiak <mjs at apple.com>  2012-11-30 22:06:02 PST ---
Oh, I hadn't thought about getting the Arena via Node! Given that, it is definitely possible to apply OwnPtr by defining an appropriate specialization/overload of deleteOwnedPtr. That is what OwnPtr uses instead of calling delete directly. See OwnPtrCommon.h for how this is done for some other types.

For RefPtr it would also be doable, by having deref() look up the arena, since RefPtr makes no assumptions whatsoever regarding how the refcount is managed or how objects are destroyed, it just calls ref() and deref().

Great insight, Eric!

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