thread priorities?

[John Meacham]

Actually, they should definitly always be advisory. You can't easily
write a portable program that depends on either priorities working or
fairness for correctness, you would write your code differently in each
case. And schedules are intimately tied to an implementation so I
wouldn't want to straightjacket them.

so, people can use priorities for performance reasons, but never for
correctness ones no matter what the concurrency implementation. (unless,
of course, a particular implementation gives stronger promises than the
standard)

        John

-- 
John Meacham - ⑆repetae.net⑆john⑈