inc_not_zero

 1cat <<EOF
 2/**
 3 * ${class}${atomicname}() - atomic increment unless zero with ${desc_order} ordering
 4 * @v: pointer to ${atomic}_t
 5 *
 6 * If (@v != 0), atomically updates @v to (@v + 1) with ${desc_order} ordering.
 7 * Otherwise, @v is not modified and relaxed ordering is provided.
 8 *
 9 * ${desc_noinstr}
10 *
11 * Return: @true if @v was updated, @false otherwise.
12 */
13EOF