rg1/share/xlua_modify/build/protobufTolua/Singleton.h

#ifndef SINGLETON_H
#define SINGLETON_H

#include <stdlib.h> // atexit

template<typename T>
class Singleton
{
public:
	static T& instance()
	{
        if (value_ == 0)
        {
            value_ = new T();
        }
		return *value_;
	}

private:
	  Singleton();
	  ~Singleton();

	  static void init()
	  {
		  value_ = new T();
	  }

	  static void destroy()
	  {
		  delete value_;
	  }

private:
	  static T*             value_;
};


template<typename T>
T* Singleton<T>::value_ = NULL;

#endif