also sprach Erich Schubert <[EMAIL PROTECTED]> [2005.08.27.0301 +0200]:
> > Yes, the issue gets a whole lot more complicated with parallel
> > execution. FWIW, I think you only need to keep track of grey state
> > per execution thread. You don't need to track which service
> > requested which other service.
> 
> Keeping track of execution threads can become very complicated. Try to
> avoid that.
> I'd have trouble actually defining what an execution thread is...

In this context: a disjunct set of vertices in the dependency graph.

> Or consider the case that service a depends on service b, so you
> start service b, too. Now the user requests service a to be shut
> down - why should you keep service b running?

aptitude's auto feature...

> > So what happens when the DNS service fails to start?
> 
> The magically modified postfix server won't accept incoming
> connections until the dns server replies, not losing any mail.

Ah, but that's because postfix itself is smart.

-- 
 .''`.     martin f. krafft <[EMAIL PROTECTED]>
: :'  :    proud Debian developer and author: http://debiansystem.info
`. `'`
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