Re: [boost] singleton and thread safety

From: Jason Hise (chaos_at_[hidden])
Date: 2005-08-02 14:32:15

Jonathan Turkanis wrote:

>Jason Hise wrote:
>  
>
>>So to avoid the whole mess regarding the DCLP, the best approach
>>would probably be eager initialization, before the program enters
>>a multi-threaded context.  Is initializing from the constructor of
>>a namespace-scope global enough to ensure this?
>>    
>>
>I don't think so, since you might want to access singletons from static
>initializers in other translation units.
>
>Have you considered using call_once:
>http://www.boost.org/doc/html/call_once.html?
>
Why does it require that the function which is called once not be 
allowed to throw?  I am not sure that I can meet this requirement, as I 
may need to dynamically allocate memory.

-Jason