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Newsgroups: gnu.gnustep.discuss
From: David Chisnall <thera...@sucs.org>
Date: Wed, 24 Oct 2012 08:31:24 +0100
Local: Wed, Oct 24 2012 3:31 am
Subject: Re: GWorkspace: hang on exit. Clang?
On 24 Oct 2012, at 00:50, Riccardo Mottola wrote:
> 2012-10-23 23:22:17.898 GWorkspace[3318] reported exception - <NSException: 0x2bd04344> NAME:NSInvalidReceivePortException REASON:invalidated while awaiting reply INFO:(null)
I've seen this in the NSConnection tests before, but whenever I find a bit of time to debug it, the failure stops appearing. It's quite frustrating: it failed 5 times in a row when I didn't have time for debugging, then when I did I ran it a hundred times without managing to reproduce the failure.
Since the failure appears and disappears with the same binary, I am inclined to suspect a race condition somewhere in the NSConnection code, which various compilation modes make more or less likely to be a problem by subtly altering the timing of the test. Whether this race is intrinsic to the source code or introduced by a buggy optimisation, I don't know.
David
-- Send from my Jacquard Loom
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