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Message-ID:	<038a01c1b085$e8ac4ef0$0200a8c0@lifelesswks>
From:	"Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
To:	"Andreas Damm" <andreas-sourceforge AT radab DOT org>, <cygwin AT cygwin DOT com>
References:	<Pine DOT LNX DOT 4 DOT 33 DOT 0202080940190 DOT 1281-100000 AT gate DOT rad-ab DOT u-net DOT com>
Subject:	Re: libgcc exception handling not thread safe
Date:	Fri, 8 Feb 2002 20:49:31 +1100
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===
----- Original Message -----
From: "Andreas Damm" <andreas-sourceforge AT radab DOT org>
To: <cygwin AT cygwin DOT com>
Sent: Friday, February 08, 2002 8:47 PM
Subject: libgcc exception handling not thread safe


> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> libgcc.a in the gcc package does not seem to be thread safe with
regards
> to c++ exception handling. Doing a nm libgcc.a does not show any
> dependencies on Windows synchronisation and thread functions (e.g.
> InterlockedIncrement and TlsAlloc).
>
> When compiling a c++ program with -mno-cygwin which runs multiple
threads
> it will eventually crash.
>
> Should this be fixed?

No. Libgcc.a is a cygwin application, and is not meant to be linked in
with -mno-cygwin compiles. A mingw libgcc.a is needed for that scenario.

Rob


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