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Message-ID:	<51A39587.90103@acm.org>
Date:	Mon, 27 May 2013 10:19:03 -0700
From:	David Rothenberger <daveroth AT acm DOT org>
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To:	cygwin AT cygwin DOT com
Subject:	Re: STC for fork SEGV after dlclose
References:	<51A38C2B DOT 6060706 AT acm DOT org> <20130527170723 DOT GF28463 AT calimero DOT vinschen DOT de>
In-Reply-To:	<20130527170723.GF28463@calimero.vinschen.de>

On 5/27/2013 10:07 AM, Corinna Vinschen wrote:
> On May 27 09:39, David Rothenberger wrote:
>> 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?

The STC fails with the 2013-05-24 32-bit snapshot and the 1.7.19-6
64-bit release. The full libapr1 test suite fails with the 64-bit
release if I include the testdso test cases, but succeeds if I exclude
them. For 32-bit, the full test suite passes even with the testdso test
cases. I don't understand why that is.

That is, my STC shows that a dlclose() will break subsequent fork()
calls, but that breakage doesn't occur with the full libapr1 test suite
on 32-bit for some unknown reason.

But as long as my STC isn't completely ridiculous, fixing it might fix
the 64-bit test suite.

-- 
David Rothenberger  ----  daveroth AT acm DOT org

"Is it just me, or does anyone else read `bible humpers' every time
someone writes `bible thumpers?'
                -- Joel M. Snyder, jms AT mis DOT arizona DOT edu

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