Re: current pointer question/suggestion
Alexander Kjeldaas (astor@guardian.no)
Fri, 17 Jul 1998 03:10:25 +0200
On Wed, Jul 15, 1998 at 11:57:48PM -0700, David S. Miller wrote:
> From: hpa@transmeta.com (H. Peter Anvin)
> Date: 16 Jul 1998 06:45:22 GMT
>
> NOW, what is dangerous with it is that you must NEVER dereference
> pointers to automatic variables for another process... those
> variables simply will not exist in your new process context...
>
> Guess why other OS's don't implement wait-queues the way we do? ;-)
> Our scheme depends upon being able to reference data residing within
> the stack frame of any thread at any given time.
>
Can you explain this in a bit more detail? I'm really confused.
astor
--
Alexander Kjeldaas, Guardian Networks AS, Trondheim, Norway
http://www.guardian.no/
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