Bruce writes:
...
> Dobb's Journal_. Writer Dierdre Blake quotes Pathfinder software engineer
> Steve Stolper:
...
>    tionally larger, exposed the bug... The configuration
>    of the system was changed so that when the lower-priority
>    task blocked, its priority was raised until it released
>    the shared resource.

Ah...increasing priority of a low priority process, when it holds
a resource wanted by a high priority process
... an *old* HP 3000 feature :)

(No, I'm not claiming it originated in MPE!)

--
Stan Sieler                                          [log in to unmask]
                                     http://www.allegro.com/sieler.html