[Webkit-unassigned] [Bug 27759] New: [V8] DOMData needs AtomicallyInitializedStatic

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=27759

           Summary: [V8] DOMData needs AtomicallyInitializedStatic
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: abarth at webkit.org
                CC: levin at chromium.org


> +
> +DOMData* DOMData::getCurrent()
> +{
> +    if (WTF::isMainThread())
> +        return getCurrentMainThread();
> +
> +    DEFINE_STATIC_LOCAL(WTF::ThreadSpecific<ChildThreadDOMData>, childThreadDOMData, ());

This looks like it has race conditions.  Please add a comment about why it
isn't or consider switching to using AtomicallyInitializedStatic (from
wtf/Threading.h).

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