Lockfree means at least one thread is always making progress and atomics allow that trivially. If an atomic operation fails it means that a different thread's a

Lockfree means at least one thread is always making progress and atomics allow that trivially. If an atomic operation fails it means that a different thread's atomic operation succeeded. I didn't make up this definition. https://en.wikipedia.org/wiki/Non-blocking_algorithm#Lock-freedom https://en.wikipedia.org/wiki/Non-blocking_algorithm#Lock-fr...