[Bug 31882] Many multithreaded gui apps randomly deadlock in winex11 driver surface section (arial32.exe, Aquanox, Mahaa demo, Total Commander)

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=31882

--- Comment #47 from Anton Vorobyov <phoenix at mail.ru> 2012-10-26 03:36:06 CDT ---
Today debian testing saw following update:

>libxcb (1.8.1-2) unstable; urgency=low
>
>  * Cherry-pick from upstream 1.9:
>    Fix a multi-thread deadlock.  This fixes a deadlock which was seen
>    in-the-wild with wine.  It could happen that two threads tried to read
>    from the socket at the same time and one of the thread got stuck inside of
>    poll()/select().  The fix works by making sure that the writing thread
>    doesn't steal the reading thread's reply.  Closes: #689269.
>
> -- Julien Cristau <jcristau at debian.org>  Mon, 15 Oct 2012 21:13:33 +0200

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