Subj : Re: atomic_ptr on powerpc
To   : comp.programming.threads
From : SenderX
Date : Fri Mar 04 2005 04:58 pm

>I got atomic_ptr working on powerpc.

That will be a very nice asset for the PowerPC. I believe you posted a 
sketch of the algorithm earlier. IIRC, it used ll/sc and the algo was simple 
and extremely straight forward, like most of your stuff.


> The RCU stuff worked with only
> a recompile so OS-X Darwin has a pretty clean pthreads implementation.
> While Linux preempts even when you don't want it to, Darwin has the
> opposite problem.  It doesn't preempt even when you do a sched_yield().
> I had to set SCHED_RR to get the threads to interleave.

Interesting. I am looking forward to purchasing a Mac mini.

.