DynamicSingletonAtexit.cpp

class DynamicSingleton
{
public:
    static DynamicSingleton* GetInstance()
    {
        if (instance_ == NULL)
        { 
            instance_ = new DynamicSingleton();
        }
        return instance_;
    }
    
private:
    DynamicSingleton() {};
    DynamicSingleton(const DynamicSingleton& other);
    ~DynamicSingleton() {};
 
    static DynamicSingleton* instance_;
};