On 06-12-2012, at 4:00 AM, Bob Arning <arning315 at comcast.net> wrote:
> [snips]
> So, either the process you are resuming or the lower-priority active process will be added to its proper priority list. If that process is already on the list, then your situation could arise.

That latter part would be a bug. Though it could be an interesting part of a design for a more time-slice based scheduling system; swap processes every X microseconds, add the process to the list more times to get more % of the cpu.

tim
--
tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
fibula: noun, 'a small lie'