Re: minimum capabilities?

Nix (nix-kernel@esperi.demon.co.uk)
14 Apr 1999 21:01:20 +0100


Horst von Brand <vonbrand@sleipnir.valparaiso.cl> writes:

> "Albert D. Cahalan" <acahalan@cs.uml.edu> said:
> > Execution should fail when the new capabilities (after calculation) are
> > not enough to do everything the executable needs to do. If execution
> > can proceed, the user has selective control over system call failures.
>
> Ever heard of a chap called Alan Turing?

It's more than the halting problem; to do what Albert suggested in the
general case would require a solution to the halting problem *and* a
functioning time machine.

So, er, not yet. Wait for Linux 10, which comes with a pocket universe
with a number of modified physical and logical laws to implement this
facility. (This is probably due out around AD 2080, perhaps a
quarter-year before the Singularity.)

-- 
`The purpose of a windowing system is to put some amusing
 fluff around your one almighty emacs window.' -- Mark on gnu.emacs.help

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