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Message-ID:	<51B0BE79.1020407@noprivatereply.com>
Date:	Thu, 06 Jun 2013 18:53:13 +0200
From:	"Seb.Th" <cygwin_ml AT noprivatereply DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	Re: resuming backgrounded job causes hang (Cygwin 1.7.19 / Dothan 1.7GHz)
References:	<CANi_VVc45nC55fKpCriAp6=VE+4CUvASi6Ks2nFrQ=tLktSzXg AT mail DOT gmail DOT com> <51B05080 DOT 3030106 AT noprivatereply DOT com> <20130606110210 DOT GA13320 AT calimero DOT vinschen DOT de> <20130606155200 DOT GC13320 AT calimero DOT vinschen DOT de>
In-Reply-To:	<20130606155200.GC13320@calimero.vinschen.de>

Le 06/06/2013 17:52, Corinna Vinschen a écrit :

> Ok, I found the reason for this behaviour.  There was a potential
> starvation problem which really only got hold on single-CPU/single
> core systems.  Two threads were locking a mutex and waiting for each
> other.  The one thread which could have resolved the problem never got
> CPU time due to the locking mechanism and an extremly tight window in
> which the other thread unlocked the mutex.
>
> I fixed the problem in CVS and I've just created a new 2013-06-06 32 bit
> developer snapshot, which you can find on http://cygwin.com/snapshots/,
> as well as a 64 bit DLL 1.7.20-1 which I uploaded as part of the 64 bit
> test distro.
>
> Please test and send feedback.


2013-06-06 32 bit snapshot successfully tested here (Win XP SP3).
mc, lftp, bash scripts subshell : OK.
All went fine, no more freeze.

Many thanks !


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