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process.h
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Upload User: xhy777
Upload Date: 2007-02-14
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Code Size: 2k
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Windows Kernel

Development Platform:

Visual C++

process.h：Code Content
  1. //*********************************************************************
  2. //*                  Microsoft Windows                               **
  3. //*            Copyright(c) Microsoft Corp., 1998-                   **
  4. //*********************************************************************
  5. //
  6. // created 8-19-1998
  7. //
  8. //
  10. // class definition for the process information handler
  11. // the class is to wrap NT/Win95 specific debugging aid APIs
  12. // BUGBUG: write commentsfor below!
  13. #ifdef UNICODE
  14. #undef Process32First 
  15. #undef Process32Next 
  16. #undef PROCESSENTRY32 
  17. #undef PPROCESSENTRY32
  18. #undef LPPROCESSENTRY32
  19. #endif  // !UNICODE
  20. class CProcessInfo
  21. {
  22. public:
  23.     CProcessInfo(); 
  24.     ~CProcessInfo();     
  25.     HRESULT GetExeNameFromPID(DWORD dwPID, LPTSTR szFile, int cchFile);
  27.     BOOL _fNT;
  28. protected:
  29.     HRESULT MakeRoomForInfoArray(int n);
  30.     HRESULT EnsureProcessInfo();
  31.     // 
  32.     // win95 toolhelp stuff
  33.     //
  34.     HRESULT W95InitToolhelp32();
  35.     HRESULT W95CreateProcessList();
  36.     HRESULT W95FillProcessList();
  38.     typedef BOOL (WINAPI* PROCESSWALK)(HANDLE, LPPROCESSENTRY32);
  39.     typedef HANDLE (WINAPI* CREATESNAPSHOT)(DWORD, DWORD);
  40.     CREATESNAPSHOT _lpfnCreateToolhelp32Snapshot;
  41.     PROCESSWALK _lpfnProcess32First;
  42.     PROCESSWALK _lpfnProcess32Next;
  43.     //
  44.     // NT PSAPI stuff
  45.     //
  46.     HRESULT NTInitPsapi();
  47.     HRESULT NTCreateProcessList();
  48.     HRESULT NTFillProcessList(DWORD dwProcessID, int iIndex);
  49.     
  50.     
  51.     typedef BOOL  (CALLBACK* LPFNENUMPROCESSES)(DWORD *,DWORD,DWORD *);
  52.     typedef BOOL  (CALLBACK* LPFNENUMPROCESSMODULES)(HANDLE,HMODULE *,DWORD,LPDWORD);
  53.     typedef DWORD (CALLBACK* LPFNGETMODULEBASENAMEW)(HANDLE,HMODULE,LPWSTR,DWORD);
  54.     HINSTANCE                 _hPsapiDLL; 
  55.     LPFNENUMPROCESSES      _lpfnEnumProcesses; 
  56.     LPFNENUMPROCESSMODULES _lpfnEnumProcessModules; 
  57.     LPFNGETMODULEBASENAMEW  _lpfnGetModuleBaseName;
  58.     //
  59.     // place to hold processs information
  60.     //
  61.     struct PROCESSINFO {
  62.         DWORD dwPID;
  63.         TCHAR szExeName[MAX_PATH];
  64.     } *_pProcInfoArray;
  65.     int _iProcInfoCount;
  66.     int _nAlloced;
  67. };