Re: A good reason for moving to capabilities [facetious]
Alexander Kjeldaas (astor@guardian.no)
Sun, 26 Apr 1998 21:26:09 +0200
On Sun, Apr 26, 1998 at 07:12:47PM +0100, Matthew Wilcox wrote:
>
> U.S. Patent 4,135,240 held by one Dennis Ritchie patents the idea of
> setuid (according to Silberschatz & Galvin's Operating System Concepts,
> 4th edition page 621). Wonder if there are any patents on capabilities?
>
On pure ones, there's U.S. Patent 4,584,639 (the "Factory" patent).
http://www.mediacity.com/~norm/CapTheory/Patent.html
astor
--
Alexander Kjeldaas, Guardian Networks AS, Trondheim, Norway
http://www.guardian.no/
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