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#1
May 8th, 2008, 03:02 PM
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CSingleLock issue
C++ & MFC
I'm having an issue where if one thread locks a CMutex object using a CSingleLock and then another thread uses a CSingleLock to lock the same CMutex object, everything freezes up. From what I've read of CSingleLock documentation, if a CSingleLock attempts to lock a CMutex that has already been locked, it will wait for it to be signaled (unlocked) and then lock it and let the code go about it's business. Here, when the second lock goes to lock the already locked CMutex object, it just freezes up the application completely... Last edited by AndyMNE : May 8th, 2008 at 03:13 PM.
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#2
May 8th, 2008, 04:21 PM
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It freezes because it's waiting for your other thread to release the mutex. The other thread is likely waiting for something this thread does. Deadlock.
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