xref: /linux/scripts/atomic/fallbacks/try_cmpxchg (revision ffb1e76f4f32d2b8ea4189df0484980370476395)
1cat <<EOF
2static __always_inline bool
3arch_${atomic}_try_cmpxchg${order}(${atomic}_t *v, ${int} *old, ${int} new)
4{
5	${int} r, o = *old;
6	r = arch_${atomic}_cmpxchg${order}(v, o, new);
7	if (unlikely(r != o))
8		*old = r;
9	return likely(r == o);
10}
11EOF
12