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