On Wed, 2010-02-10 at 15:01 +0100, Gilles Chanteperdrix wrote:
> Jan Kiszka wrote:
> > Gilles Chanteperdrix wrote:
> >> GIT version control wrote:
> >>> Module: xenomai-jki
> >>> Branch: for-upstream
> >>> Commit: 6b40653e9c3c4a2433bb4e91344fc378eb860f75
> >>> URL:    
> >>> http://git.xenomai.org/?p=xenomai-jki.git;a=commit;h=6b40653e9c3c4a2433bb4e91344fc378eb860f75
> >>>
> >>> Author: Jan Kiszka <jan.kis...@siemens.com>
> >>> Date:   Wed Feb 10 13:24:29 2010 +0100
> >>>
> >>> Make xnarch_init_timeconv an uninlined weak function
> >>>
> >>> Otherwise the wrong set of time conversion variables might get
> >>> initialized when using > 1 skin libraries.
> >> If that would be possible, then it is the conversion variables which
> >> should made be weak, not the function.
> >>
> >> The way I see it, the posix and native skins currently get a different
> >> set of variables and functions, which works, but with your change, since
> >> there is only one function, only one set of variable gets initialized by
> >> the two function calls. And one skin just broke.
> >>
> >> Or am I missing something? Does the patch fix a problem you really had?
> > 
> > Frankly, I wasn't able to test in the field yet as replacing the libs
> > there is non-trivial. But I was able to observe that only one set of
> > functions is used - which is logical considering the weak marks. And
> > this breaks due to the static inline initialization.
> > 
> > However, let's mark both functions and variables weak to fix the issue
> > and avoid leaving unused variables around. Will update my patch in a minute.
> 
> Ok. Merged, thanks.
> 

The proper way to get rid of any ambiguous case would be to move that
init code out of line, to the skins/common lib you already had the good
idea to create.

-- 
Philippe.



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