Re: Rumpification (was Re: CVS commit: src/usr.sbin/envstat)

[Antti Kantee <pooka%netbsd.org@localhost>]

On Tue Dec 14 2010 at 08:31:15 -0500, Thor Lancelot Simon wrote:
> On Tue, Dec 14, 2010 at 03:24:49PM +0200, Antti Kantee wrote:
> > On Tue Dec 14 2010 at 08:13:44 -0500, Thor Lancelot Simon wrote:
> > > > 
> > > > Yes.  It's not really a very difficult rule.  I can understand the "I
> > > > forgot" vector, though.  I seriously doubt it'll be a problem, but just
> > > > in case, see below.
> > > 
> > > I have to say, this is extraordinarily ugly.  Why can't you make a rump
> > > libc instead that shims these symbols?
> > 
> > Well I could, but since it doesn't work, I won't.  For example, how does
> > a shim know what to call when it gets socket(PF_INET, SOCK_DGRAM, 0)?
> 
> It is impossible to determine at runtime which calls should go to the host
> kernel and which calls should go to rump?

Are you serious?  Why do we need to write programs at all?

-- 
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