Boost logo

Boost :

Subject: Re: [boost] [locale] review part 2.2: source
From: Artyom (artyomtnk_at_[hidden])
Date: 2011-04-18 08:25:57

> > Not really
> >
> > I had a discussion with a professor an expert in
> > this area, no problems when mutexes are full
> > memory barriers and they are.
> I'm not an expert, but there is no ReadRead/acquire barrier
> in case if table_is_ready is true. IIUC, it would be a problem
> if you are targeting IA-64 using non-msvc or msvc before 8.0 (2005).
> Could you detect and #error on such arch/compiler combinations?

Mutex acquisition and release is full memory barrier.

> > This mutexes are explicitly globally initialized
> > later.
> >
> > So all such things should be solved on library start.
> Some compilers might not execute init::init() ctor as
> the do_init variable is not used. Also, could you comment
> your assumptions in the code?

I'm not aware of such compilers and if they exist
they are probably buggy.


Boost list run by bdawes at, gregod at, cpdaniel at, john at