[boost] Re: Race condition in boost::spirit?

From: David Abrahams (dave_at_[hidden])
Date: 2005-01-18 11:55:04

"Peter Dimov" <pdimov_at_[hidden]> writes:

> Alexander Terekhov wrote:
>> Peter Dimov wrote:
>> [...]
>>> Local static objects can be made safe by the compiler. The new cxx64
>>> API requires it.
>>
>> Too bad that new cxx64 ABI couldn't mandate a standard #pragma (or
>> something like that) to turn it on/off ("you should not pay for what
>> you don't use" motto, you know).
>
> I actually think that not offering a way to turn it off is somewhat better, 
> long term. Without an option to turn it off, compiler writers are forced to 
> optimize local statics (using DCSI-MBR/DCCI/whatever). 

Any compiler writer is free to offer a way to turn it off as an
extension.  They're also free to not use those optimizations.

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com