1cat <<EOF
2/**
3 * ${class}${atomicname}() - atomic exchange with ${desc_order} ordering
4 * @v: pointer to ${atomic}_t
5 * @new: ${int} value to assign
6 *
7 * Atomically updates @v to @new with ${desc_order} ordering.
8 *
9 * ${desc_noinstr}
10 *
11 * Return: The original value of @v.
12 */
13EOF
14