[Webkit-unassigned] [Bug 57090] [V8] Possible data race problem in v8/WorkerScriptController (reported by tsan)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=57090





--- Comment #3 from David Levin <levin at chromium.org>  2011-03-25 09:35:09 PST ---
(In reply to comment #2)
> Adding a lock to this accessor does not prevent  the possibility of the flag being flipped right after the exit from the accessor. In this case using the v8 proxy returned would have same results as not having a lock.
> Let me take a better look, i think this code is ok without locking, need to verify.

Looking at http://trac.webkit.org/browser/trunk/Source/WebCore/bindings/v8/WorkerScriptController.cpp, I don't understand why the mutex is ever necessary (by similar reasoning to the above).

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