040000 tree 89b988268aec5b075ef204ace4e0d70846ca322b	atomic
040000 tree 3207c4526169d1dc281614195fc8695e60960eb5	atomic_flag
040000 tree 1764682fe88fa5fd79f7b0ffcdc5f4a1f1323f08	atomic_float
040000 tree 83d185148d0fe918095b16d5e6ebe1ccf6989e4b	atomic_integral
040000 tree ddf2b74211e7617c2d73112dca9b0b58a0ef9786	atomic_ref
040000 tree c1146d831c6e552650d762ae536694722104bc1b	headers