Singleton (싱글톤)

Thread safety를 위해 Lock 처리 필요.

 

 

Singleton.h

#pragma once

class CSingleton
{
private:
	CSingleton(void);
	CSingleton(const CSingleton& logger);
	CSingleton& operator=(CSingleton& logger);

public:
	~CSingleton(void);

public:
	static CSingleton* inst;
	static CSingleton& getInstance(void);
	static CSingleton* getInstancePtr(void);
	static void destroy(void);
};

Singleton.cpp

#include "Singleton.h"

CSingleton* CSingleton::inst;

CSingleton::CSingleton(void) {}
CSingleton::~CSingleton(void) {}

CSingleton& CSingleton::getInstance(void)
{
	if (inst == 0)
		inst = new CSingleton;

	return *inst;
}

CSingleton* CSingleton::getInstancePtr(void)
{
	if (inst == 0)
		inst = new CSingleton;

	return inst;
}

void CSingleton::destroy(void)
{
	if (inst != 0)
	{
		delete inst;
		inst = 0;
	}
}​