闪灵屋

// singleton.h
#ifndef _SINGLETON_H_
#define _SINGLETON_H_
 
template<class T> class Singleton
{
    protected:
        Singleton() {}
        Singleton( const Singleton & ) {}
        Singleton &operator = (Singleton &) {}
 
        static T* pInst;
 
    public:
        static T* GetInstance()
        {
            if (pInst)
                return pInst;
            pInst = new T;
            return pInst;
        }
 
        static void ReleaseInstance()
        {
            if (pInst)
            {
                delete pInst;
                pInst = NULL;
            }
        }
};
 
template<class T> T *Singleton<T>::pInst = 0;
 
#endif

// suraid.h
#ifndef _SURAID_H_
#define _SURAID_H_
 
#include "singleton.h"
 
class Suraid : public Singleton<Texture>
{
    public:     
        Suraid();
};
 
#endif

// main.cpp
#include "suraid.h"
 
int main(void)
{
    Suraid* suraid = Suraid::GetInstance();
    return 0;
}