Re: Threadsafe singletons

From:
fluidparody@yahoo.com
Newsgroups:
comp.lang.c++.moderated,comp.programming.threads
Date:
31 Jul 2006 08:24:52 -0400
Message-ID:
<1154336088.502107.209710@i3g2000cwc.googlegroups.com>
Tell me if I have your idea correct because this isn't working for me.

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

public:
    static Singleton& GetInstance();

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

private:
    Singleton();
};

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

Singleton::Singleton()
{
}

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

#include <iostream>

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

static struct InitSingleton
{
    InitSingleton()
    {
        Singleton s = Singleton::GetInstance();
        s.SetName("Super Duper");
    }
} s_init;

int main()
{
    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

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