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How can you prevent deadlock from occurring when a thread must lock multiple mutexes?

April 26, 2017deadlock lock mutexes thread

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How can you prevent deadlock from occurring when a thread must lock multiple mutexes?

1 Answer

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Always lock them in the same order. One easy way of doing this is to use each mutex’s address to determine the order in which they are locked. A future Boost.Threads concept may wrap this pattern up in a reusable class.