Function rte_atomic32_sub

dpdk/lib/eal/include/generic/rte_atomic.h:580–585

* Atomically subtract a 32-bit value from an atomic counter. * * @param v * A pointer to the atomic counter. * @param dec * The value to be subtracted from the counter. */

 *   The value to be subtracted from the counter.
 */
static inline void
rte_atomic32_sub(rte_atomic32_t *v, int32_t dec)
{
	rte_atomic_fetch_sub_explicit((volatile __rte_atomic int32_t *)&v->cnt, dec,
		rte_memory_order_seq_cst);
}

/**
 * Atomically increment a counter by one.