[Techtalk] Theory vs. practice
Raven, corporate courtesan
raven at oneeyedcrow.net
Wed Jan 16 19:07:48 EST 2002
Quoth Mary Gardiner (Wed, Jan 16, 2002 at 10:57:22AM +1100):
> And in context switched systems, the teller process needs to be switched
> into memory - the teller's stack (variables) need to go back into place,
> and the platinum or gold process has to go out. And even the thing doing
> the switching is of course a process, although it is a kernel process...
> So the teller and the bank need to have priorities too...
Yike; it makes perfect sense, but I hadn't realized that. So
who watches the watcher, as it were? I'm reasonably sure that it must
be able to watch itself, because otherwise you'd have an infinite
progression of watcher watchers, watcher watcher watchers, and so on.
But how does it know that it's handling itself properly?
Trying to stay out of meta-meta-meta-world,
"Ben says "WAR IS PEACE FREEDOM IS SLAVERY BACKSPACE IS DELETE" "
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