[Xenomai] doc for xeno-config skins

Philippe Gerum rpm at xenomai.org
Thu Apr 5 08:36:33 CEST 2018


On 04/04/2018 10:15 PM, Giulio Moro wrote:
> What is the difference between the Posix and Cobalt skin, as far as xeno-config is concerned??
> 
> Difference between
>   xeno-config --skin posix --cflags
>   xeno-config --skin cobalt --cflags
> is that the former declares -D__COBALT_WRAP__ (which in turn adds fwd declarations for clock_nanosleep() and pthread_setname_np() in boilerplate/libc.h).
> 
> difference between 
>   xeno-config --skin posix --ldflags
>   xeno-config --skin cobalt --ldflags
> is that the former adds `-Wl,@/usr/xenomai/lib/cobalt.wrappers`
> 
> So it seems to me that `--skin posix` expects you to call, e.g.: pthread_create(), while `--skin cobalt` expects you to call, e.g.: __wrap_pthread_create()
> 
> Is this correct?
> Is that it?
> What are the intended uses?
> I don't think this is documented anywhere? Where would be the best place to have this written down? Perhaps the --help of xeno-config? Also, while we are at it, --skin alchemy vs --skin native and the effect of --compat could use some description.
> 

http://www.xenomai.org/documentation/xenomai-3/html/man1/xeno-config/index.html



-- 
Philippe.



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