Re: [boost] Notice: Boost.Atomic (atomic operations library)

Subject: Re: [boost] Notice: Boost.Atomic (atomic operations library)
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2009-11-30 12:44:13

Helge Bahmann wrote:
> Am Monday 30 November 2009 17:33:03 schrieb Zachary Turner:
>> On Sun, Nov 29, 2009 at 4:49 PM, Helge Bahmann <hcb_at_[hidden]> wrote:
>>> It contains some entirely untested support for building implementations
>>> from CAS
>>> operations on other systems
> 
> okay this was badly worded -- the infrastructure for building atomic 
> operations from just a single platform-specific CAS operation is finished and 
> well tested, it is just that I do not have every conceivable compiler/os 
> combination available to test if some particular platform-CAS works (or even 
> compiles). In particular, I have no windows system available to me for 
> testing, so things will take some time as I constantly have to ask others 
> helping me out for implementation and/or testing.
> 
> If however, by sheer luck, I have managed to hit the right ifdef/include 
> combination required for _InterlockedCompareExchange on the first attempt and 
> without any compile-testing, then it will compile and run correctly already.

FYI, there is boost/detail/interlocked.hpp, which adds quite a bit of 
compatibility among different Windows versions. It supports _Interlocked 
intrinsics, as well as native API calls.