Trouble with threads

[Jon Mann]

Hi,

I'm trying to write a browsertest which creates a callback that gets executed on BrowserThread::UI.  In the browsertest I post the function which makes the bind call to the UI thread and the callback gets executed on the UI thread as well, however I'm getting  "Check failed: sequence_checker_.CalledOnValidSequence(). WeakPtrs must be checked on the same sequenced thread."  I dumped PlatformThread::CurrentRef().id_ when I create the callback and when it's executed and they're printing different values.  This makes it seem like there's more than one BrowserThread::UI?  Is there any way to get the code in the browsertest that creates the callback to execute on the right one?

I'm new to chromium development and not really sure what else I should try, any pointers would be amazing!

Thanks :)

created: https://chromium-review.googlesource.com/c/chromium/src/+/1119580/7/chrome/browser/chrome_service_worker_browsertest.cc#583 (and posted to the UI thread on line 565)

executed: https://chromium-review.googlesource.com/c/chromium/src/+/1119580/7/content/browser/service_worker/service_worker_context_wrapper.cc#53

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•  Jon Mann   •  Software Engineer   •  Android + Chrome OS   •  Los Angeles, CA

[Wez]

You'll need to look at the call-stack for the failing WeakPtr check, to determine which WeakPtr is being dereferenced or invalidated on multiple difference sequences.

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