Naive question about grant/map
Jonathan S. Shapiro
shap at eros-os.org
Thu Dec 4 21:41:00 CET 2003
On Thu, 2003-12-04 at 15:06, Jean Wolter wrote:
> "Jonathan S. Shapiro" <shap at eros-os.org> writes:
> > Is there some variant of the 'map' operation in which B does NOT retain
> > the ability to revoke C's mapping?
> I am not sure whether I understood the question correctly but there is
> the grant operation.
> After A maps to B and B maps to C it would look like
> A -> B -> C
> in contrast to A maps to B and B grants to C which would look like
> A -> C
Thanks for replying, Jean. Let's see if I can clarify the question:
I am looking for a sequence in which A maps to B and B ??? to C and the
result would look like:
A -> B
A -> C
Is there such an operation?
Also, I forgot to ask: is there some reason why such an operation would
Jonathan S. Shapiro <shap at eros-os.org>
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