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More on threads

2. . MFC's thread implementation MFC Internals by G. Shepherd, S. WingoExecuting a class member in its own thread (C/C Users Journal, Vol.17, No. 12, p. 57)Singleton Creation the thread-safe way (C/C Users Journal, Vol.17, No. 10, p. 43)Improving performance with thread-private heaps (C/C U

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More on threads

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    1. 1 More on threads Konstantin Bukin CSE791 – Advanced Windows Programming Summer 2001

    2. 2 MFC’s thread implementation MFC Internals by G. Shepherd, S. Wingo Executing a class member in its own thread (C/C++ Users Journal, Vol.17, No. 12, p. 57) Singleton Creation the thread-safe way (C/C++ Users Journal, Vol.17, No. 10, p. 43) Improving performance with thread-private heaps (C/C++ Users Journal, Vol.17, No. 9, p. 50)

    3. 3 Thread’s thread creation CWinThread* AFXAPI AfxBeginThread(AFX_THREADPROC pfnThreadProc, LPVOID pParam, int nPriority, UINT nStackSize, DWORD dwCreateFlags, LPSECURITY_ATTRIBUTES lpSecurityAttrs); CWinThread* AFXAPI AfxBeginThread(CRuntimeClass* pThreadClass, int nPriority, UINT nStackSize, DWORD dwCreateFlags, LPSECURITY_ATTRIBUTES lpSecurityAttrs);

    4. 4 AfxBeginThread() CWinThread* pThread = new CWinThread(pfnThreadProc, pParam); if (!pThread->CreateThread( dwCreateFlags | CREATE_SUSPENDED, nStackSize, lpSecurityAttrs)) { pThread->Delete(); return NULL; } VERIFY(pThread->SetThreadPriority(nPriority)); if (!(dwCreateFlags & CREATE_SUSPENDED)) VERIFY(pThread->ResumeThread() != (DWORD)-1); return pThread; It’s all about CWinThread and it’s CreateThread()

    5. 5 CWinThread class CWinThread : public CCmdTarget { public: CWinThread(); CWinThread(AFX_THREADPROC pfnThreadProc, LPVOID pParam); BOOL CreateThread(DWORD dwCreateFlags = 0, UINT nStackSize = 0, LPSECURITY_ATTRIBUTES lpSecurityAttrs = NULL); virtual BOOL InitInstance(); virtual int Run(); virtual BOOL PreTranslateMessage(MSG* pMsg); virtual BOOL PumpMessage(); // low level message pump virtual BOOL OnIdle(LONG lCount); //return TRUE if more idle processing virtual BOOL IsIdleMessage(MSG* pMsg); //checks for special messages private: LPVOID m_pThreadParams; //generic parameters passed to starting function AFX_THREADPROC m_pfnThreadProc; HANDLE m_hThread; // this thread's HANDLE } Back to AfxBeginThread()

    6. 6 CWinThread::CreateThread()

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