Re: [boost] [Boost-bugs][boost-Bugs-1370716]BOOST_SP_USE_QUICK_ALLOCATORandBOOST_AUTO_UNIT_TEST

From: Peter Dimov (pdimov_at_[hidden])
Date: 2005-12-02 06:09:17

Gennadiy Rozental wrote:
>>>> I tried to convert
>>>> "boost::detail::allocator_impl::mutex" from static
>>>> variable to Meyer's singleton (with static member
>>>> function which contains local static variable "mutex").
>>>> This solves my problem but I can't suggest any patch
>>>> because I can't test it with many compilers.
>>> 
>>> This is frequently met issue with global variables. Peter will you
>>> be able to handle this?
>> 
>> I'm not sure how. Turning a mutex into a singleton defeats the whole
>> point of using a mutex, because it introduces an initialization
>> race. But I'll try
>> to think of something that improves the current situation.
> 
> I am not sure there is a way around this. It should be created on
> request. Otherwise no global/static variables could use smart_ptr,
> isn't it?

Only with BOOST_SP_USE_QUICK_ALLOCATOR defined.

I'll try to come up with something.