From: nobu@...
Date: 2006-08-11T07:24:57+09:00
Subject: Re: [ ruby-Bugs-5351 ] Process.gid= fails on OS X

Hi,

At Fri, 11 Aug 2006 02:13:23 +0900,
Kazuhiro NISHIYAMA wrote in [ruby-core:08587]:
> 
> >>>>> On Wed, 9 Aug 2006 12:31:07 +0900
> >>>>> nobu@ruby-lang.org said:
> > 
> > > -#elif defined HAVE_SETREUID
> > > +#elif defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID)
> > 
> > They all should be BROKEN_SETREUID, but not OBSOLETE_SETREUID,
> > sorry.
> 
> I tried patch with debug print, s/OBSOLETE_SETREUID/BROKEN_SETREUID/g,
> s/OBSOLETE_SETREUID/BROKEN_SETREUID/g and s/GIDTYPE/rb_gid_t/,
> but failed yet.
> 
> Mac-mini:~ kazu$ sudo ~/opt/ruby18/bin/ruby -ve 'Process.gid=502'
> ruby 1.8.5 (2006-08-09) [powerpc-darwin8.7.0]
> /Users/kazu/wc/ruby-lang/ruby_1_8/process.c:2494
> /Users/kazu/wc/ruby-lang/ruby_1_8/process.c:2503
> -e:1:in `gid=': Operation not permitted (Errno::EPERM)
>         from -e:1
> Mac-mini:~ kazu$


Of course, not only setregid().

Does this work?

  sudo ~/opt/ruby18/bin/ruby -e 'include Process::Sys' -e 'p setregid(502, getegid)'

-- 
Nobu Nakada