Subj : Re: A question about atomic_ptr
To   : comp.programming.threads
From : Alexander Terekhov
Date : Mon Apr 11 2005 02:00 pm


Chris Thomasson wrote:
> 
> DOH!
> 
> > local_ptr<X> = 0
> > -------------------------------
> > --local_ptr<X>::refs
> > if ( ! local_ptr<X>::refs )
> > {
> >  if ( ! atomic_dec_acquire( &shared_ptr<X>::refs ) )
>                     ^^^^^^^^^^^^^^^^
> 
> That's:
> 
> if ( ! atomic_dec_release( &shared_ptr<X>::refs ) )

Depending on value, you'll need either acquire or release here.

regards,
alexander.

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