bug: unstable myThreadId in GHC 6.6.1

[Don Stewart]

Could you send a full example we can compile and test?
This is only a fragment.

bulat.ziganshin:
> Hello glasgow-haskell-users,
> 
> i've looked for this bug in Trac but don't found anything. so:
> 
> startGUI action = runInBoundThread $ do
>   unsafeInitGUIForThreadedRTS
>   myThreadId >>= writeIORef guiThread
>   action >>= widgetShowAll
>   mainGUI
> 
> guiThread  =  unsafePerformIO$ newIORef$ error "undefined GUI::guiThread"
> 
> 
> Later in the same thread i ask for myThreadId and get different value.
> interesting that value returned in startGUI is 23 while later values
> are about 7000. probably this reflects total amount of threads created
> so far
> 
> so that's the problem. Win API call returns constant thread number
> (that looks natural since the thread is bound). so either:
> 
> 1) it's feature - please mention this in docs
> 2) it was fixed since 6.6.1
> 3) we need full-scale bugreport using 6.10.2
> 
> 
> -- 
> Best regards,
>  Bulat                          mailto:Bulat.Ziganshin at gmail.com
> 
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