Re: Any interest in a weak pointer?

From: terekhov (terekhov_at_[hidden])
Date: 2002-01-10 10:42:15

--- In Boost-Users_at_y..., "Peter Dimov" <pdimov_at_m...> wrote:
> From: "terekhov" <terekhov_at_d...>
> > --- In Boost-Users_at_y..., "Peter Dimov" <pdimov_at_m...> wrote:
> > [...]
> > > Indeed, see
> > > 
> > > http://groups.yahoo.com/group/boost/files/smart_ptr_3.zip
> > 
> > Please revisit thread-safety/memory visibility issues wrt 
> > atomic ++/-- and MP-safe ref.counting of mutable objects...
> 
> Could you please elaborate on that? I've read the articles at
> 
> > http://groups.google.com/groups?as_umsgid=3BC8463D.6E23002A%
40web.de
> > 
> > and:
> > 
> > http://groups.google.com/groups?as_umsgid=3C3C9B63.DFDC9920%
40web.de
> 
> but I don't see the problem.

Just read the following write-up:

http://www.primenet.com/~jakubik/mpsafe/MultiprocessorSafe.pdf

"Relaxed multiprocessor memory models...."

regards,
alexander.