Github user SolidWallOfCode commented on the pull request: https://github.com/apache/trafficserver/pull/350#issuecomment-161026974 James - a `uintptr_t` instead of `ContFlags` would require the assumption a continuation always runs on the same thread, which is not the case. `ContFlags` ensures that the continuation gets the thread based flags regardless of the thread on which it executes. On the other hand if you mean doing the thread specific stuff in `Continuation` I would think it's clearly better to isolate that stuff in `ContFlags`.
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