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verified publisher icon JaviSoto
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NSOperationQueue subclass that allows you to add operations that behave as a barrier. Basically providing the same functionality dispatch_barrier_async provides in the GCD world.

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How dispatch_barrier_async works

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…and why I think it cannot be reproduced with a (simple) subclass of NSOperationQueue. Luckily we can see the source code of libdispatch at http://opensource.apple.com/source/libdispatch/libdispatch-187.9/ and see how Apple implements...

drodriguez avatar drodriguez

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verified publisher icon JaviSoto

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NSOperationQueue subclass that allows you to add operations that behave as a barrier. Basically providing the same functionality dispatch_barrier_async provides in the GCD world.

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