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Date:	Mon, 27 May 2013 19:07:23 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: STC for fork SEGV after dlclose
Message-ID:	<20130527170723.GF28463@calimero.vinschen.de>
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References:	<51A38C2B DOT 6060706 AT acm DOT org>
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On May 27 09:39, David Rothenberger wrote:
> The libapr1 test cases starting failing with my 64-bit package and
> 1.7.19-6. They worked fine with 1.7.19-5. After a little
> investigation, I discovered that only the tests that involve fork()
> were failing and only if the "testdso" test case ran first. That
> test case checks loading and unloading DLLs.

Sigh.  Thanks for the testcase.  I wonder if it wouldn't be easier
to drop libapr1 instead... ;}

> I extracted the attached STC. It creates a simple DLL and uses
> dlopen() and dlclose() on it. Then it attempts a fork().
> 
> With the latest 32-bit snapshot (2013-05-24) this causes a
> segfault. The same thing happens with the 64-bit release. With
> 1.7.18, the test case hangs for quite a while, but eventually
> finishes, except that the fork() never really happens and I get a
> weird error code when I run it in gdb. If I skip the dlclose() call,
> the STC runs fine.
> 
> It's weird, but the libapr1 test suite does not fail on 32-bit with
> the 2013-05-24 snapshot (or with 1.7.18). I don't know why the STC
      ^^^^^^^^^^
      ????

Above you said it fails on 32 bit with 2013-05-24, too.  What's the
last working snapshot?


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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