[cap-talk] Yes. (was: Can we stop discussing Butler
norm at cap-lore.com
Fri Apr 11 18:45:25 CDT 2008
On 2008 Apr 11, at 9:25 , Charles Forsyth wrote:
>> I believe that in Cal/TSS the sending of a message to another
>> 'process' designated the recipient by an unprotected global integer.
>> This is a fatal design in the modern capabilities view.
> event channels (queues) were accessed through capabilities.
> http://www.mcjones.org/CalTSS/CalTSS.pdf points to a good handful of
> papers and
> reports about the system. i particularly liked the more abstract
> IBM report
> "The Control Structure of an Operating System", which had a big
> influence on me when it first appeared.
> i remember writing a heavily stripped-down subset once in B, to get
> the feel of it.
I agree that the paper you reference describes messages as directed
thru channels via capabilities and thus avoids the problem I referred
I don't know where I got the mistaken idea; perhaps from an earlier
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