criticalsection.h

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// $_FILEHEADER_BEGIN ****************************
// 
// Copyright (C) Sina Corporation.  All Rights Reserved
// 文件名称：CriticalSection.h
// 创建日期：20050404
// 创建人： 王耿
// 文件说明：互斥对象

// 0.01 王耿 20050403
// 创建文件
// $_FILEHEADER_END ******************************
#ifndef __CRISECTION_H
#define __CRISECTION_H

namespace UC
{
#ifdef WIN32
    
#include <Windows.h>
    
#else
    
#include <pthread.h>
#include <unistd.h>
#endif//_XNIX
    
    
    class CCriticalSection
    {
    private:
        //windows OS
#ifdef WIN32
        CRITICAL_SECTION	moSection;
#else
        pthread_mutex_t mMutex;
#endif
        
        
    public:
        CCriticalSection()
        {
#ifdef WIN32
            InitializeCriticalSection(&moSection);
#else
            mMutex = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
            //pthread_mutex_init(&mMutex,NULL);
#endif
        };
        ~CCriticalSection()
        {
#ifdef WIN32
            DeleteCriticalSection(&moSection);
#else
            pthread_mutex_destory(&mMutex);
#endif
        }
        void  inline Enter()
        {
#ifdef WIN32
            EnterCriticalSection(&moSection);
#else
            pthread_mutex_lock(&mMutex);
#endif
        }
        void inline Leave()
        {
#ifdef WIN32
            LeaveCriticalSection(&moSection);
#else
            pthread_mutex_unlock(&mMutex);
#endif
        };
        
    };
    class CCriticalSectionHelper
    {
    public:
        CCriticalSectionHelper(CCriticalSection& aCriticalSection)
            :moCriticalSection(aCriticalSection)
        {
            moCriticalSection.Enter();
        };	
        ~CCriticalSectionHelper(){
            moCriticalSection.Leave();
        }
    private:
        CCriticalSection& moCriticalSection;
    };
};
#endif // __CRISECTION_H