Re: [boost] [any] new version

Subject: Re: [boost] [any] new version
From: Nevin Liber (nevin_at_[hidden])
Date: 2011-09-02 13:44:24

On 2 September 2011 11:01, Ilya Bobir <ilya.bobir_at_[hidden]> wrote:
>> unsigned int next_id()
>> {
>>    static unsigned int previous_id = 0;   //0 is not assigned to a type
>>
>>    ++previous_id;
>>    return previous_id;
>> }
>>
>> [...]
>
> Would not this be non-thread safe?

That's the second problem that has to be tackled with this code.

Would this work:

unsigned next_id()
{
    static std::atomic<unsigned> previous_id;
    return ++previous_id;
}
-- 
 Nevin ":-)" Liber  <mailto:nevin_at_[hidden]>  [phone]