"John Maier" <jmaier@midamerica.net> writes:
> I agree that using Solaris as a model is a good way to go.  It really does
> work well and seems to be very stable.

I dunno...reasonably knowledgeable people say the Solaris 2-level
scheduler implementation has some serious warts--in particular, no
preemption at the user level, and the rather ugly workaround,
thr_setconcurrency().  See, for example

http://www.deja.com/=dnc/msgid.xp?MID=%3C399D2F7F.AD34496D%40compaq.com%3E

-- 
Dan Riley                                         dsr@mail.lns.cornell.edu
Wilson Lab, Cornell University      <URL:http://www.lns.cornell.edu/~dsr/>
    "History teaches us that days like this are best spent in bed"