[gameprogrammer] Re: problem with singleton

["Roger D. Vargas" <roger@ehtsc.co.cu>]

El mié, 16-06-2004 a las 00:16, Dave Slutzkin escribió:

> Although...  There is a slight problem with implementing Singleton this
> way, which you may or may not run into.  (If you don't, don't worry
> about it.)  This static object has to be initialized at some point, and
> the compiler will generate the code to initialize it at a random time
> (or at least, one which you have no control over).  If you try to access
> it before it's initialized (like from the constructor of another static
> object), you run into problems because it's not created yet.  So there
> are multiple other and probably better ways to do it, as mentioned in
> detail in Alexandrescu's Modern C++ Design book.  This is a big, complex
> book though.
> 
> Briefly, the other way I usually do it is:
> 
> static TVTextures::singleton()
> {
>   static TVTextures sSingleton;
>   return sSingleton;
> }
> 
> This ensures that as soon as the function is called, this object is
> allocated so it always exists when it's used.
> 
What would be the best way to implement it but using a pointer for the
instance?

-- 
Roger D. Vargas
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"Object-oriented programming is an exceptionally bad idea which could
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- E.W. Dijkstra



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