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To: max@love2party.net
From: Warner Losh <imp@bsdimp.com>
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Subject: Re: HEADS UP: vimage - virtualized global variables in the network
 stack
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From: Max Laier <max@love2party.net>
Subject: Re: HEADS UP: vimage - virtualized global variables in the network stack
Date: Sat, 13 Dec 2008 20:45:16 +0100

> On Saturday 13 December 2008 20:33:53 Bjoern A. Zeeb wrote:
> ...
> > This state of having the variables in parallel, global and in the
> > container struct, will be maintained for another (short) time until
> > the entire virtualization framework is in. This is needed, so that
> > all three possible states can be benchmarked from exactly the same
> > code changeset.
> >
> >
> > For developers comitting new code or changing code it is important to
> > properly add virtualized variables in the way that:
> > 1) the globals and externs (if needed) are added/kept in sync as both
> >     a) globals under #ifdef VIMAGE_GLOBALS and b) to the appropriate
> >     container struct + the V_ macro.
> >     When used somewhere in code one has to use the V_foobarbaz version.
> 
> Is there (an easy) way to have the tinderbox build every other run without 
> VIMAGE_GLOBALS so that the most obvious error (global available, but not in 
> the container struct - or the other way around) can be warned about?

This actually points out why the 'tinderbox' name is bogus for the
universe plus failure: universe builds all the kernels.  Tinderbox
builds LINT only.

Warner