[boost] Re: updated shifted_ptr<> + question

From: Philippe A. Bouchard (philippeb_at_[hidden])
Date: 2003-01-22 11:29:08

"William E. Kempf" <wekempf_at_[hidden]> wrote in message
news:4258.167.16.75.51.1043300418.squirrel_at_frodo.kempf-ville.com...

[...]

> You may not need to.  It wholly depends on context.  The key is that
> atomic increments need not (portability issue) insure memory visibility.
> If what you do next doesn't rely on the visibility of any memory, you
> won't need a full lock.
>
> The other issue is how you know the increment is atomic?

You mean that there is no way to increment the counter and copy its value
atomically...?

Philippe A. Bouchard