Re: Threadsafe singletons

"Victor Bazarov" <>
31 Jul 2006 15:31:45 -0400
<eaktqn$3b4$> wrote:

Tell me if I have your idea correct because this isn't working for me.

/////////// singleton.h
class Singleton
char *name;

Add here:

      Singleton(Singleton const&);
      Singleton& operator(Singleton const&);

static Singleton& GetInstance();

char *GetName() const { return name; }
void SetName(char *n) { name = n; }


/////////// singleton.cpp
#include "singleton.h"


/////////// main.cpp
#include "singleton.h"

#include <iostream>

Singleton& Singleton::GetInstance()
static Singleton s;
return s;

static struct InitSingleton
Singleton s = Singleton::GetInstance();

Replase the line above with

     Singleton &s = Singleton::GetInstance();

s.SetName("Super Duper");
} s_init;

int main()
Singleton singleton = Singleton::GetInstance();

Replace the line above with

    Singleton & singleton = Singleton::GetInstance();

std::cout << "The singleton's name is: " <<
singleton.GetName() << std::endl;

return 0;

I'm not getting a "Super Duper" Singleton

You are simply not getting a singleton with your code.

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