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Subject: Re: IOS process scheduler algorithm [7:60206]
Thanks Mark,
I get it now I think. I was envisaging processes remaining in the queue
and a pointer selecting each in turn. In fact of course, because it's
not a pre-emptive OS, this doesn't occur, the processes are
Thanks Mark,
I get it now I think. I was envisaging processes remaining in the queue
and a pointer selecting each in turn. In fact of course, because it's
not a pre-emptive OS, this doesn't occur, the processes are removed (as
in fact stated in the book) and put on either the idle or dead queue.
Nope - From step 3&4 in the book.
There are no counters for critical and high priority queues either. The
'failsafe' for servicing the medium priority is when all the processes
in the critical and high ready queues have been executed or when a
medium priority instance is found when servicing the
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