Subj : Re: Can C++ local static objects be made thread safe?
To   : comp.programming.threads
From : David Schwartz
Date : Sat Feb 12 2005 03:09 pm


"Giancarlo Niccolai" <gniccolai@yahoo.com> wrote in message 
news:95e4efda.0502121051.28c5ec0c@posting.google.com...

> The fact is that a COFU would work in that case. But a static
> initializer instead of a COFU would not, that was the point of "change
> it with any static initializer method". The point is that a static
> initializer would require lock while checking for the item to have
> been already created, and that's where the deadlock with the reentrant
> mutex happens.

    I cannot imagine how that could conceivably be possible. If the COFU is 
already intialized, the initializer code reduces to this:

acquire_mutex();
release_mutex();

    How can that deadlock with anything?

    DS

.