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X-HELO: calimero.vinschen.de
Date: Fri, 26 Jun 2015 13:12:49 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 2.1.0-0.1
Message-ID: <20150626111249.GS31223@calimero.vinschen.de>
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References: <announce DOT 20150620205512 DOT GA28301 AT calimero DOT vinschen DOT de> <558706D5 DOT 1020508 AT cornell DOT edu> <20150622110835 DOT GE28301 AT calimero DOT vinschen DOT de>
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Hi Ken,

On Jun 22 13:08, Corinna Vinschen wrote:
> On Jun 21 14:47, Ken Brown wrote:
> > On 6/20/2015 4:55 PM, Corinna Vinschen wrote:
> > >- First cut of an implementation to allow signal handlers running on an
> > >   alternate signal stack.
> > >
> > >- New API sigaltstack, plus definitions for SA_ONSTACK, SS_ONSTACK, SS=
_DISABLE,
> > >   MINSIGSTKSZ, SIGSTKSZ.
> >=20
> > I must be doing something wrong.  Shouldn't including signal.h make the=
 new
> > API available?
> >=20
> > $ uname -a
> > CYGWIN_NT-6.1-WOW fiona 2.1.0(0.287/5/3) 2015-06-20 21:44 i686 Cygwin
> >=20
> > $ cygcheck -cd cygwin-devel
> > Cygwin Package Information
> > Package              Version
> > cygwin-devel         2.1.0-0.1
> >=20
> > $ cat test.c
> > #include <signal.h>
> > int
> > main()
> > {
> >   int foo =3D SIGSTKSZ;
> >   return 0;
> > }
> >=20
> > $ gcc test.c
> > test.c: In function =E2=80=98main=E2=80=99:
> > test.c:6:13: error: =E2=80=98SIGSTKSZ=E2=80=99 undeclared (first use in=
 this function)
> >    int foo =3D SIGSTKSZ;
> >              ^
>=20
> You're not doing anything wrong.  The relevant definitions in
> sys/signal.h were originally only available for RTEMS.  I just
> made them availbale for all platforms.  The problem was that the
> orignal code missed to include sys/cdefs.h, which is required to
> get the macros guarding the definitions.  I fixed that in the git
> repo.
>=20
> I also made a bigger change to code setting up the alternate stack when
> calling the signal handler function.  It turned out that my code moving
> to the new stack missed to safe all potentially clobbered volatile
> registers on both platforms.
>=20
> I'll upload new snapshots and 2.1.0-0.2 test releases shortly.

did you have a chance to test this a bit, in the meantime?


Thanks,
Corinna

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

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