Function rte_ring_mc_dequeue

dpdk/lib/ring/rte_ring.h:433–437

* Dequeue one object from a ring (multi-consumers safe). * * This function uses a "compare and set" instruction to move the * consumer index atomically. * * @param r * A pointer to the ring structure. * @param obj_p * A pointer to a void * pointer (object) that will be filled. * @return * - 0: Success; objects dequeued. * - -ENOENT: Not enough entries in the ring to dequeue; no

 *     dequeued.
 */
static __rte_always_inline int
rte_ring_mc_dequeue(struct rte_ring *r, void **obj_p)
{
	return rte_ring_mc_dequeue_elem(r, obj_p, sizeof(void *));
}

/**
 * Dequeue one object from a ring (NOT multi-consumers safe).