Function rte_ring_mp_enqueue

dpdk/lib/ring/rte_ring.h:297–301

* Enqueue one object on a ring (multi-producers safe). * * This function uses a "compare and set" instruction to move the * producer index atomically. * * @param r * A pointer to the ring structure. * @param obj * A pointer to the object to be added. * @return * - 0: Success; objects enqueued. * - -ENOBUFS: Not enough room in the ring to enqueue; no object is enqueued. */

 *   - -ENOBUFS: Not enough room in the ring to enqueue; no object is enqueued.
 */
static __rte_always_inline int
rte_ring_mp_enqueue(struct rte_ring *r, void *obj)
{
	return rte_ring_mp_enqueue_elem(r, &obj, sizeof(void *));
}

/**
 * Enqueue one object on a ring (NOT multi-producers safe).