[linux-block.git] / scripts / atomic / fallbacks / try_cmpxchg

cat <<EOF
static __always_inline bool
arch_${atomic}_try_cmpxchg${order}(${atomic}_t *v, ${int} *old, ${int} new)
{
	${int} r, o = *old;
	r = arch_${atomic}_cmpxchg${order}(v, o, new);
	if (unlikely(r != o))
		*old = r;
	return likely(r == o);
}
EOF
Commit	Line	Data
ace9bad4	1	cat <<EOF
765dcd20	2	static __always_inline bool
f3e615b4	3	arch_${atomic}_try_cmpxchg${order}(${atomic}_t v, ${int} old, ${int} new)
ace9bad4 MR	4	{
ace9bad4 MR	5	${int} r, o = *old;
f3e615b4	6	r = arch_${atomic}_cmpxchg${order}(v, o, new);
ace9bad4 MR	7	if (unlikely(r != o))
	8	*old = r;
	9	return likely(r == o);
	10	}
	11	EOF