[TSan] |ktf_worker_t::i| is unsynchronised #1056
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wrt the stores on the other worker threads. Unlike the __atomic_* family of functions the __sync_* functions don't have a relaxed read without modification, so to emulate this behaviour I've used the existing __sync_fetch_and_add() with an increment of 0.
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TSan complains that this read of |ktf_worker_t::i| is unsynchronised wrt the stores on the other worker threads. Unlike the _atomic* family of functions the _sync* functions don't have a relaxed read without modification, so to emulate this behaviour I've used the existing __sync_fetch_and_add() with an increment of 0.