[Webkit-unassigned] [Bug 55728] [fileapi] Worker File API calls that create Blobs fail in debug builds due to random number generator thread assertion

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=55728


Jian Li <jianli at chromium.org> changed:

           What    |Removed                     |Added
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                 CC|                            |abarth at webkit.org,
                   |                            |dimich at chromium.org




--- Comment #6 from Jian Li <jianli at chromium.org>  2011-03-04 13:06:20 PST ---
This assert only occurs in Linux chromium build. When we create a blob, we need to call the WTF random number generation function to create a blob URL. When a blob is created within a worker thread, we will hit an assert in wtf function that complains about the current thread not being main thread. 

I think the fix is to enable JSC_MULTIPLE_THREADS in chromium build. Currently the web worker is running in a worker process which contains only one WebKit thread. So disabling JSC_MULTIPLE_THREADS is fine. Since we're going to change it to run the worker in a worker thread of the same renderer process (per dimich's V8 work), I think it is the right time for us to enable this flag. Adam and Darin, how do you think?

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