Boost logo

Boost :

Subject: Re: [boost] [lockfree] Review
From: Hartmut Kaiser (hartmut.kaiser_at_[hidden])
Date: 2011-07-30 14:11:54

> > As mentioned, it would appear that bundled atomic implementation has a
> lot
> > of shortcomings, but one is particularly bad: atomic<tagged_ptr> is not
> > actually lock-free for Visual C++. The DCAS implementation should be
> > straightforward, but seems to be absent . in case you wonder I did an
> > initial implementation of <(cstd)atomic> and added all required
> intrinsics
> > for a simple implementation to the compiler. These made it all into
> > VC++2010 RTM (IIRC, there was only one 64-bit, most where 8 & 16-bit
> > variants)
> i don't have access to any msvc compiler, do you think you could
> contribute the
> msvc-specific code for boost.atomic?

FWIW, we have 64 atomics support for MSVC implemented. It has been used in a
bigger project for quite some time now. I can contribute those changes.

Regards Hartmut

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