File: inc_not_zero

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cat <<EOF
/**
 * ${arch}${atomic}_inc_not_zero - increment unless the number is zero
 * @v: pointer of type ${atomic}_t
 *
 * Atomically increments @v by 1, if @v is non-zero.
 * Returns true if the increment was done.
 */
static __always_inline bool
${arch}${atomic}_inc_not_zero(${atomic}_t *v)
{
	return ${arch}${atomic}_add_unless(v, 1, 0);
}
EOF