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Date:	Fri, 24 Aug 2018 11:06:32 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: [Bug] __wait_status_to_int() is expected to be a macro
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On Aug 24 00:13, David Stacey wrote:
> On 12/06/18 12:45, Eric Blake wrote:
> > On 06/12/2018 03:48 AM, Corinna Vinschen wrote:
> > > On Jun=C2=A0 8 12:43, Eric Blake wrote:
> > > > On 06/08/2018 12:26 PM, Hans-Bernhard Br=C3=B6ker wrote:
> > > > > Am 08.06.2018 um 17:16 schrieb Denis Nikiforov:
> > > > > > /usr/include/boost/process/detail/posix/is_running.hpp:18:1: er=
ror:
> > > > > > non-constant condition for static assertion
> > > > > > =C2=A0=C2=A0 static_assert(!WIFEXITED(still_active), "Internal =
Error");
> > > > > > =C2=A0=C2=A0 ^~~~~~~~~~~~~
> > > > > >=20
> > > > > > __wait_status_to_int must be a macros but it's redefined
> > > > > > as a function.
> > >=20
> > > But, assuming I'm completely off-track above and a macro is really
> > > desired:
> > >=20
> > > Defining __wait_status_to_int as function is C++-specific.=C2=A0 I do=
n't
> > > think
> > > this is really required.=C2=A0 A quick test implies the C macro defin=
ition in
> > > sys/wait.h is sufficent for C++ as well.
> >=20
> > Yes, I think you're right on that front.
>=20
> Apologies for reviving an old thread, but I ran into the same problem tod=
ay.
> Is there any chance we could have a macro-only '__wait_status_to_int' in
> Cygwin 2.11.0, please?

Here's the glibc approach:

https://sourceware.org/git/?p=3Dglibc.git;a=3Dcommit;h=3Db49ab5f4503f36dcbf=
43f821f817da66b2931fe6

So glibc/Linux doesn't provide `union wait' at all since 2016.

I'm inclined to do the same.  Thoughts?


Corinna

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

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