Multithreading Multi-Threaded Programming

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Example of using Win32 Mutex Handle 46 HANDLE g_Mutex; DWORD dwWaitResult; // Create a mutex with initial owner. g_Mutex = CreateMutex( NULL, TRUE, "MutexToProtectDatabase"); // Wait for ownership dwWaitResult = WaitForSingleObject( g_Mutex, 5000L); …. ReleaseMutex(g_Mutex)); // Release Mutex Advanced Windows Network <strong>Programming</strong> 11/11/12
Example of using CSemaphore - 1 } CSemaphore, CMutex, and CCriticalSection all work in a similar manner. } Semaphore is a thread synchronization object that allows accessing the resource for a count between zero and maximum number of threads. } If the Thread enters the semaphore, the count is incremented. } If the thread completed the work and is removed from the thread queue, the count is decremented. } When the thread count goes to zero, the synchronization object is non-signaled. Otherwise, the thread is signaled. 47 Advanced Windows Network <strong>Programming</strong> 11/11/12
Page 1 and 2: Multithreading Multi-Threaded Progr
Page 3 and 4: Outline } Windows Message Processin
Page 5 and 6: MSG structure } The system sends a
Page 7 and 8: #include #include LRESULT CALLBAC
Page 9 and 10: Yielding Control } What would happe
Page 11 and 12: Writing the Worker Thread Function
Page 13 and 14: Starting the Thread } To start the
Page 15 and 16: The Running Threads } The AfxBeginT
Page 17 and 18: How the Main Thread Talks to a Work
Page 19 and 20: How does the worker thread get the
Page 21 and 22: What kind Msg in the PostMessage do
Page 23 and 24: Tips for Parameters of (WPARAM wPar
Page 25 and 26: Using Events for Thread Synchroniza
Page 27 and 28: Win32 Event HANDLE } CreateEvent fu
Page 29 and 30: WaitForSingleObject function } Wait
Page 31 and 32: WaitForMultipleObjects function } W
Page 33 and 34: Example main thread } Start the thr
Page 35 and 36: Timer in worker thread //the while
Page 37 and 38: Synchronization Classes } The multi
Page 39 and 40: When to Use Which? } Synchronizatio
Page 41 and 42: How to determine which is suitable?
Page 43 and 44: Example of using CCriticalSection }
Page 45: Example of using CMutex } Mutex is
Page 49 and 50: Win32 Semaphore Synchronization Obj
Page 51 and 52: Example of Threads Pool - Thread da
Page 53 and 54: Example of Threads Pool - Stop all
Page 55 and 56: Example of Threads Pool -Thread fun
Page 57 and 58: References } Chapter 11,Windows Mes
Page 59 and 60: 59 Advanced Windows Network Program
Page 61: Classes not derived from CObject 61

Multithreading Multi-Threaded Programming

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