ref: 4772141bd632a56a349a9ea96f908878860ad78a
dir: /atomics9.h/
long atomic_fetch_add(long *i, long v); long atomic_fetch_sub(long *i, long v); long atomic_fetch_and(long *i, long v); long atomic_fetch_or(long *i, long v); long atomic_fetch_xor(long *i, long v); long atomic_exchange(long *i, long v);