possible patch for implementing split DNS

[. at babolo.ru]

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> Julian Elischer wrote:
> > I need some processes to look elsewhere for DNS information from where 
> > the rest of the system looks.. This patch seems to me a simple solution. 
> > We over-ride where the resolver looks for resolv.conf using an 
> > environment variable. This would allow me to reset this to an application
> > specific config file that specifies a different server.
> > 
> > Anyone got better ways fo doing this?
> 
> Run the special processes in a jail with its own resolv.conf? My gut
> reaction to your suggestion is negative, but I'm having a hard time
> articulating a solid reason why.
> 
> Perhaps if you described your problem in more detail, it would be easier to
> work around it, but I can't help thinking that there are better ways to
> solve this problem.
I can describe another problem.
shell computer for many groups of users,
each of it want to use own "search"
and probably "nameserver".