Re: [Xenomai-core] [RFC][patch] per-process data.

[Philippe Gerum <rpm@xenomai.org>]

Gilles Chanteperdrix wrote:
> Philippe Gerum wrote:
>  > Gilles Chanteperdrix wrote:
>  > > The attached version of the patch do that.
>  > 
>  > Fine with me, please merge as you see fit. Details follow:
>  > 
>  > > +++ include/nucleus/ppd.h	2006-05-10 14:27:11.000000000 +0200
>  > > @@ -0,0 +1,26 @@
>  > > +#ifndef PPD_H
>  > > +#define PPD_H
>  > > +
>  > 
>  > Given that ppds are shadow-specific, I would move ppd.h's contents to 
>  > shadow.h directly.
> 
> I tried, but it is not possible, shadow.h is included in asm/system.h
> and thus can not include nucleus/queue.h.
> 

Grumble. Ok, we're toast. Let's go for ppd.h.

>  > 
>  > > +static unsigned
>  > > +xnppd_lookup_inner(xnqueue_t **pq, xnppd_holder_t **pholder, xnppd_key_t *key)
>  > > +{
>  > > +    unsigned bucket = jhash2((uint32_t *)&key->mm,
>  > > +                             sizeof(key->mm)/sizeof(uint32_t), 0);
>  > 
>  > GCC is likely going to wine on 64-bit archs for attempting to forge a 
>  > type-punned pointer.
> 
> How do I write this then ? It is a copy of some code in posix/syscall.c
> 

vrtx/mb.c would do.

-- 

Philippe.