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Date:	Mon, 3 Mar 2014 18:06:28 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Building libsigsegv on Cygwin64
Message-ID:	<20140303170628.GA7236@calimero.vinschen.de>
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On Mar  3 16:02, Corinna Vinschen wrote:
> On Mar  2 12:20, Ken Brown wrote:
> [...]
> > I found the problem (or at least I found *a* problem):  There's a
> > configure test "checking whether a fault handler according to POSIX
> > works", which passes on 32-bit Cygwin but fails on 64-bit Cygwin.
> > I'm attaching a file containing the configure test.  Here's what
> > happens in the 64-bit case:
> >=20
> > $ gcc -o fault fault.c
> > $ ./fault.exe
> > $ echo $?
> > 1
> >=20
> > In the 32-bit case, the exit code is 0.
> >=20
> > I don't know if this indicates a Cygwin bug or something wrong with
> > the test.
>=20
> It indicates a Cygwin bug.  Thanks for the report and the testcase.
>=20
> The joke here is, the signal handler function gets called twice for the
> same exception.  Proof is that you can remove the second call to crasher
> and still sigsegv_handler gets called twice.

I just created a new snapshot which contains the fix.  Would you mind
to test it?  It doesn't fix the fact that libsigsegv is missing 64 bit
Windows/Cygwin support, of course...


Thanks,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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