cat <<EOF
/**
 * ${class}${atomicname}() - atomic increment unless zero with ${desc_order} ordering
 * @v: pointer to ${atomic}_t
 *
 * If (@v != 0), atomically updates @v to (@v + 1) with ${desc_order} ordering.
 *
 * ${desc_noinstr}
 *
 * Return: @true if @v was updated, @false otherwise.
 */
EOF