[vlc-devel] [PATCH] Win32 threads: remove functions forbidden on Windows Store
funman at videolan.org
Tue Oct 15 18:12:40 CEST 2013
Le 04/09/2013 16:56, Rafaël Carré a écrit :
> Le 15/08/2013 14:12, Rémi Denis-Courmont a écrit :
>> On Thu, 15 Aug 2013 13:35:52 +0200, Rafaël Carré <funman at videolan.org>
>>> Le 15/08/2013 13:20, Rémi Denis-Courmont a écrit :
>>>> On Thu, 15 Aug 2013 12:29:31 +0200, Rafaël Carré <funman at videolan.org>
>>>>> Do not create a suspended thread so ResumeThread becomes unnecessary.
>>>> The comment that this patch removes explains why you cannot do that.
>>>> I don't think Gildas would have bothered with the explicit suspension
>>>> was not required.
>>> The risk is the thread terminating before beginthreadex returns and that
>>> case is handled.
>> In a totally lame fashion that may take a whole scheduler slice to
>> complete. I don't think that's an improvement for desktop Windows.
> I added some debug here and this never happens when playing some h264 file.
> In fact I wouldn't even know how to have a thread terminate immediately
> after creation before the parent sees _beginthreadex returning.
> Of course I can add more ifdef but that'd make the code more ugly to
> prevent something that is quite unlikely to *ever* happen. If by misluck
> it still happened then yeah the error (because such a quick return would
> likely be an error) would take a few more nanoseconds before the thread
> This code only runs on cleanup of detached threads and there's only 2 of
> them: playlist preparser and fetcher. Both have no possible error case
> and will end only after all items have been preparsed.
> Is there still some problem that I missed?
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