Subj : Re: CUJ Article: Atomic Reference Counting Pointers
To   : comp.programming.threads
From : Alexander Terekhov
Date : Wed Jan 05 2005 05:21 pm


Joseph Seigh wrote:
[...]
> Wouldn't a regular GC collected pointer work better?

Even if you have a regular GC, basic thread-safety of tr1::
shared_ptr<>-like beast is still "less expensive" (no need for 
any reordering constrains imposed on its "swap()"*** and get() 
operations to begin with) than strong thread-safety.

regards,
alexander.

***) See "Effects" and "Returns" clauses for shared_ptr
interface (2.2.3): <http://tinyurl.com/644cn>.

.