Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Date: Wed, 3 Jul 2002 22:40:07 +0200 (W. Europe Daylight Time)
From: Thomas Pfaff <tpfaff AT gmx DOT net>
To: Lenny Primak <lprimak AT hope DOT nyc DOT ny DOT us>
cc: cygwin AT cygwin DOT com
Subject: Re: C++ Exceptions in Multithreaded Applications Crash
In-Reply-To: <FC33E5C5-8EBF-11D6-9A17-0003930C80AA@hope.nyc.ny.us>
Message-ID: <Pine.WNT.4.44.0207032225410.-291071@thomas.kefrig-pfaff.de>
X-X-Sender: thomas AT gw DOT kefrig-pfaff DOT de
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
X-AntiVirus: scanned for viruses by NGI Next Generation Internet (http://www.ngi.de/)


I just tried with the libgcc.a from cygwins gcc package and i get

func() - eh_context = 407000
func() - eh_context = 407000
FATAL: Identical Exception Stacks!

and a segmentation violation on exit.

Thomas

On Wed, 3 Jul 2002, Lenny Primak wrote:

> Strange indeed, I will try that, but in the meanwhile,
> can you confirm that stock (cygwin.com) build does not work?
>
> Thanks a log
>
> On Wednesday, July 3, 2002, at 03:57  PM, Thomas Pfaff wrote:
>
> >
> >
> > On Sat, 29 Jun 2002, Lenny Primak wrote:
> >
> >> This has been submitted to GCC GNATS as PR/7168.
> >>
> >> Using the G++ exception system from multiple threads corrupts the gcc's
> >> internal exception stack, due to not including the thread-specific
> >> exception context in the compile.
> >> GCC Version: 2.95.3-5 from default Cygwin install.
> >>
> >> I tried to re-compile gcc with --enable-threads=posix and with
> >> --enable-sjlj-exceptions
> >> with no results.  The following program is used to determine if the
> >> exception context is thread-specific or not:
> >>
> >>
> >
> > Strange:
> > I have build gcc-2.95.3-5 with --disable-shared --enable-threads
> > (and without --enable-sjlj-exceptions, but this should be the default)
> > and i get
> >
> > func() - eh_context = 970EB0
> > func() - eh_context = 971368
> > Great! Exception Stacks Differ.
> >
> > Thomas
> >
> Lenny Primak
> PP-ASEL,H-IA
> http://hope.nyc.ny.us
>
>
> --
> Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
> Bug reporting:         http://cygwin.com/bugs.html
> Documentation:         http://cygwin.com/docs.html
> FAQ:                   http://cygwin.com/faq/
>
>
>


--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Bug reporting:         http://cygwin.com/bugs.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/