Re: [boost] [FSM] Review library version update

From: Andreas Huber (ahd6974-spamgroupstrap_at_[hidden])
Date: 2007-02-05 16:40:29

Steven Watanabe wrote:
>> When multiple threads are present, there's no race condition when
>> more than one of them call GetPodInstance(). Clearly there is one
>> when they call GetNonPodInstance() because NonPod::NonPod() will non
>> run before the first call...
>>
>
> GetPodInstance() is probably safe, but the standard does
> not require it. "A local object of POD type (3.9) with static
> storage duration initialized with constant-expressions is
> initialized before its block is first entered." (6.7/4)

Interesting, from the wording above I would have concluded that the 
standard *does* require it.

-- 
Andreas Huber
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