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Message-ID:	<544F736F.2020900@dronecode.org.uk>
Date:	Tue, 28 Oct 2014 10:43:59 +0000
From:	Jon TURNEY <jon DOT turney AT dronecode DOT org DOT uk>
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To:	cygwin AT cygwin DOT com
Subject:	Re: Threads
References:	<54450835 DOT 3050602 AT cornell DOT edu> <5448E6F9 DOT 8040005 AT dronecode DOT org DOT uk> <5448EEBF DOT 3020706 AT cornell DOT edu> <20141023153730 DOT GC20607 AT calimero DOT vinschen DOT de> <544A327E DOT 9090006 AT dronecode DOT org DOT uk> <20141024125416 DOT GK20607 AT calimero DOT vinschen DOT de> <20141024135231 DOT GL20607 AT calimero DOT vinschen DOT de>
In-Reply-To:	<20141024135231.GL20607@calimero.vinschen.de>

On 24/10/2014 14:52, Corinna Vinschen wrote:
> I discussed this with my college Kai Tietz (many thanks to him from
> here), and we came up with a problem in sigdelayed in the 64 bit case:
> pushf is called *after* aligning the stack with andq.  This alignment
> potentially changes the CPU flag values so the restored flags are
> potentially not the flags when entering sigdelayed.
>
> I just applied a patch and created new snapshots on
> https://cygwin.com/snapshots/
>
> I couldn't reproduce the problem locally, so I'd be grateful if you
> could test if that fixes the problem in your testcase, Jon.

I've tried that snapshot with both my testcase and emacs, without problems.

Thanks very much for fixing this!


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