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Re: [Bug] __wait_status_to_int() is expected to be a macro




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  8 12:43, Eric Blake wrote:
> > > > On 06/08/2018 12:26 PM, Hans-Bernhard Bröker wrote:
> > > > > Am 08.06.2018 um 17:16 schrieb Denis Nikiforov:
> > > > > > /usr/include/boost/process/detail/posix/is_running.hpp:18:1: error:
> > > > > > non-constant condition for static assertion
> > > > > >    static_assert(!WIFEXITED(still_active), "Internal Error");
> > > > > >    ^~~~~~~~~~~~~
> > > > > > 
> > > > > > __wait_status_to_int must be a macros but it's redefined
> > > > > > as a function.
> > > 
> > > But, assuming I'm completely off-track above and a macro is really
> > > desired:
> > > 
> > > Defining __wait_status_to_int as function is C++-specific.  I don't
> > > think
> > > this is really required.  A quick test implies the C macro definition in
> > > sys/wait.h is sufficent for C++ as well.
> > 
> > Yes, I think you're right on that front.
> 
> Apologies for reviving an old thread, but I ran into the same problem today.
> 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=glibc.git;a=commit;h=b49ab5f4503f36dcbf43f821f817da66b2931fe6

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

I'm inclined to do the same.  Thoughts?


Corinna

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

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