Subj : Re: A question about atomic_ptr
To   : comp.programming.threads
From : Peter Dimov
Date : Thu Apr 14 2005 04:08 pm

Joe Seigh wrote:
> The ppc version of atomic_ptr uses different interlocked logic since
> ppc doesn't have double wide CAS.

Is your PPC version available?

> The template vs. macros and intrusive vs. non-intrusive are just details.

I'm not sure. It's the details that make your atomic_ptr unique. A 
straightforward smart pointer with an atomic swap() seems pretty trivial, 
even I was able to "invent" it once (with the same lack of memory barriers 
as in Reinholz's code).

.