Messages in this thread | | | Date | Fri, 17 Jul 1998 03:10:25 +0200 | From | Alexander Kjeldaas <> | Subject | Re: current pointer question/suggestion |
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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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