AutoLock C++

#include "stdafx.h"

#include "windows.h"
class CLock
{
private:
CRITICAL_SECTION m_section;
public:
CLock(void)
{
InitializeCriticalSection(&m_section);
}
~CLock(void)
{
DeleteCriticalSection(&m_section);
}
void lock()
{
EnterCriticalSection(&m_section);
}
void unLock()
{
LeaveCriticalSection(&m_section);
}
};
class CAutoLock
{
private:
CLock * m_pLock;
public:
CAutoLock(CLock * pLock)
{
m_pLock = pLock;
pLock->lock();
}
~CAutoLock()
{
m_pLock->unLock();
}
};

// 示例:
CLock g_lock;
void main()
{
{
CAutoLock _lock(&g_lock);
//...
}// _lock 变量在此处析构, 析构时被解锁
}