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函數臨界鎖(Function Critical Section Lock)

TCriticalSection的代碼

#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

函數鎖的主要類(TLocalCriticalSectionLock)有代碼

#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

測試程序

//?CritialLock.cpp?:?定義控制臺應用程序的入口點。

//

//#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 的空間閱讀(645) 評論(0) 編輯收藏所屬分類: C/C++

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