Function rte_ring_enqueue_elem

dpdk/lib/ring/rte_ring_elem.h:287–292

* Enqueue one object on a ring. * * This function calls the multi-producer or the single-producer * version, depending on the default behaviour that was specified at * ring creation time (see flags). * * @param r * A pointer to the ring structure. * @param obj * A pointer to the object to be added. * @param esize * The size of ring element, in bytes. It must be a multiple of 4. *

 *   - -ENOBUFS: Not enough room in the ring to enqueue; no object is enqueued.
 */
static __rte_always_inline int
rte_ring_enqueue_elem(struct rte_ring *r, void *obj, unsigned int esize)
{
	return rte_ring_enqueue_bulk_elem(r, obj, esize, 1, NULL) ? 0 :
								-ENOBUFS;
}

/**
 * Dequeue several objects from a ring (multi-consumers safe).