lwk
/
PhysicalDevice


			
				
					
						
						
							1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162
							// 下列 ifdef 块是创建使从 DLL 导出更简单的
// 宏的标准方法。此 DLL 中的所有文件都是用命令行上定义的 SHAREMEMORY_LOCK_EXPORTS
// 符号编译的。在使用此 DLL 的
// 任何其他项目上不应定义此符号。这样，源文件中包含此文件的任何其他项目都会将
// SHAREMEMORY_LOCK_API 函数视为是从 DLL 导入的，而此 DLL 则将用此宏定义的
// 符号视为是被导出的。
#ifndef SHAREMEMORYLOCK_H
#define SHAREMEMORYLOCK_H

#ifndef SHAREMEMORY_LOCK_EXPORTS
#ifdef _WIN64
#ifdef _DEBUG
#pragma comment(lib, "ShareMemory_LockX64D.lib")
#else
#pragma comment(lib, "ShareMemory_LockX64.lib")
#endif
#else
#ifdef _DEBUG
#pragma comment(lib, "ShareMemory_LockD.lib")
#else
#pragma comment(lib, "ShareMemory_Lock.lib")
#endif
#endif
#endif

#ifdef SHAREMEMORY_LOCK_EXPORTS
#define SHAREMEMORY_LOCK_API __declspec(dllexport)
#define SHAREMEMORY_LOCK_C_API extern "C" __declspec(dllexport)

#else
#define SHAREMEMORY_LOCK_API __declspec(dllimport)
#define SHAREMEMORY_LOCK_C_API extern "C" __declspec(dllimport)
#endif

//#include "ShareMemory_Common.h"

class SHAREMEMORY_LOCK_API CShareMemory_Lock {

	unsigned long m_RefCount;
	unsigned long volatile* m_pInterLock;
	HANDLE m_LockHandle;

	bool TryEnterCriticalSection(DWORD TryCount);
	void LeaveCriticalSection();

public:
	CShareMemory_Lock(void);
	~CShareMemory_Lock(void);

	DWORD Thread_Lock(DWORD timeout = INFINITE);
	void Thread_UnLock();

	bool ShareMemoryLock(UINT64 &SMhandle, volatile PVOID pLock, DWORD TryCount);
	void ShareMemoryUnLock(UINT64 &SMhandle, volatile PVOID pLock, DWORD *pRef);
	bool ShareMemoryAtomLock(PVOID pLock, DWORD TryCount, UINT64 & value);
	void ShareMemoryAtomUnLock(PVOID pLock, DWORD *pRef, UINT64 & value);
	bool ShareMemoryPoolLock(volatile PVOID pLock, DWORD TryCount);
	void ShareMemoryPoolUnLock(volatile PVOID pLock, DWORD *pRef);

};

#endif