[cpp-threads] modes

[Alexander Terekhov]

On 5/7/05, Peter Dimov <pdimov at mmltd.net> wrote:
[...]
> >> The second problem is that finer-grained constraints can eliminate
> >> some of the barriers.
> >
> > I understand that. Can you tell me of a compelling use case where you
> > can show that it matters enough to be worthwhile supporting,
> > especially given the potential need to go from describing N^2 to
> > (N+1)^2 possible interactions across modes?
> 
> I think that this particular ball is in Alexander's court... 

Well, for example, try 

http://www.google.com/search?q=read_barrier_depends

What they actually mean is msync::ddhlb label on dereference. 

McKenney's "rcu_dereference" comes pretty close, so to speak.

Sorta existing practice, oder? ;-)

regards,
alexander.