Re: [boost] Enhanced call_once()

From: Andrew J Bromage (ajb_at_[hidden])
Date: 2002-08-10 22:26:47

G'day all.

On Fri, Aug 09, 2002 at 08:39:15AM -0500, William E. Kempf wrote:

> No, the calling thread must always block *while the once routine is
> running*.  The DCL pattern does insure this by locking a mutex when the flag
> is found to be unset.  Where it fails is when the flag is set, but other
> memory modified in the once routine has not yet been made visible to the
> calling thread.

Uhm... yes.  That's what I meant, and I think it's also what you meant
the first time, so I think we put this one down to misunderstanding.

Cheers,
Andrew Bromage