3 * ${class}${atomicname}() - atomic subtract and test if zero with ${desc_order} ordering
4 * @i: ${int} value to subtract
5 * @v: pointer to ${atomic}_t
7 * Atomically updates @v to (@v - @i) with ${desc_order} ordering.
11 * Return: @true if the resulting value of @v is zero, @false otherwise.