[cpp-threads]atomic operations package

[Doug Lea]

Boehm, Hans wrote:
> Since the details of the atomic operations package seem to influence the
> memory model and our terminology, and I haven't seen any concrete
> proposals for the interface to the package, I put up a concrete though
> very preliminary proposal at:
> 
> http://www.hpl.hp.com/personal/Hans_Boehm/c++mm/atomics.h.txt
> 
> Please comment.
> 


	template <ordering_constraint c>
	    void store(const T&);
	    // Compile-time error if c is neither none nor release.
	template <ordering_constraint c>
	    T load();
	    // Compile-time error if c is neither none nor acquire.
	

I think this is fine. I know that neither Peter Dimov nor
Alexander Terekhov think this suffices to support usages
they say they need. (Which is the main reason I gave up
on variants of this.)

Peter and/or Alexander: Could you soon post something
(re)stating your concerns so we can make a decision about it
rather than continuing to stall?

-Doug