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函数临界锁(Function Critical Section Lock)

TCriticalSection的代码

#pragma once


//#include 
#include <afxmt.h>
#include <iostream>


namespace cj
{

class TCriticalSection
{
private:
    CRITICAL_SECTION FCriticalSection;
public:
    TCriticalSection(void)
    {
        InitializeCriticalSection(&FCriticalSection);
    }
    ~TCriticalSection(void)
    {
        DeleteCriticalSection(&FCriticalSection);
    }
    void Enter(void)
    {
        EnterCriticalSection(&FCriticalSection);
    }
    void Leave(void)
    {
        LeaveCriticalSection(&FCriticalSection);
    }
};

};  //namespace cj

函数锁的主要类(TLocalCriticalSectionLock)有代码
#pragma once


#include "CriticalSection.h"


#define DeclareLocalCriticalSectionLock( A_CriticalSectionName )    \
    TCriticalSection A_CriticalSectionName;                    \
    friend class TLocalCriticalSectionLock;

#define TriggerLocalCriticalSectionLock( A_CriticalSectionName )        \
    TLocalCriticalSectionLock FunctionCriticalSectionLock(this->A_CriticalSectionName);


namespace cj
{

class TLocalCriticalSectionLock
{
private:
    TCriticalSection *FCriticalSection;
public:
    inline TLocalCriticalSectionLock(TCriticalSection &ACriticalSection):FCriticalSection(&ACriticalSection)
    {
        FCriticalSection->Enter();
    }
    inline ~TLocalCriticalSectionLock(void)
    {
        FCriticalSection->Leave();
    }

};

}; // namespace cj

测试程序
// CritialLock.cpp : 定义控制台应用程序的入口点。
//


//#include "stdafx.h"
//#include "CriticalSection.h"

#include "LocalCriticalSectionLock.h"
#include <winbase.h>
#include <process.h>
#include <iostream>

using namespace cj;

//-------------------------------------------------------------------------------------------

const int ThreadHandleListSize = 10;

//-------------------------------------------------------------------------------------------
class GObject
{
private:
    DeclareLocalCriticalSectionLock(FFunctionLock)
public:
    int GetInteger(void)
    {
        TriggerLocalCriticalSectionLock(FFunctionLock);
        //TLocalCriticalSectionLock lcsl(this->cs);
        std::cout<<"Enter************************"<<std::endl;
        std::cout<<"GetInteger"<<std::endl;
        std::cout<<"Leave||||||||||||||||||||||||"<<std::endl;
        return 1;
    }
};

//-------------------------------------------------------------------------------------------
    GObject obj;

//-------------------------------------------------------------------------------------------
void _cdecl ThreadFunction(void*)
{
    for (int i=0;i<20;i++)
    {
        obj.GetInteger();
    }
    _endthread();
}

//-------------------------------------------------------------------------------------------
int _tmain(int argc, _TCHAR* argv[])
{
    uintptr_t ThreadHandleList[ThreadHandleListSize];
    
    for(int i=0;i<ThreadHandleListSize;i++)
    {
        ThreadHandleList[i] = -1;
    }

    for(int i=0;i<ThreadHandleListSize;i++)
    {
        ThreadHandleList[i] = _beginthread(ThreadFunction,1024,0);
    }
    
    std::cin.get();
    return 0;
}


posted on 2005-07-11 01:33 Sunlea 的空间 阅读(629) 评论(0)  编辑  收藏 所属分类: C/C++

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