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// implementation of a singleton
#include "singleton.h"
#include <iostream>
using namespace std;
// initialize pointer
Singleton* Singleton::pinstance = 0;
/*
// Thread safe singleton implementation
// however, you must delete what you use
Singleton* Singleton::Instance () {
// is it the first call?
if (pinstance == 0) {
// create sole instance
pinstance = new Singleton;
}
// address of sole instance
return pinstance;
}
*/
// simple non-threaded solution
// this cleans up after itself
Singleton* Singleton::Instance () {
static Singleton inst;
return &inst;
}
Singleton::Singleton() {
//... perform necessary instance initializations
cout << "initializing a singleton class" << endl;
}
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