[dpdk-dev] [PATCH] ring: Fix return type in enqueue and dequeue burst functions
Pablo de Lara
pablo.de.lara.guarch at intel.com
Mon Dec 15 14:41:46 CET 2014
Enqueue and dequeue burst functions always return a positive
value (including 0), so return type should be unsigned,
instead of int.
Fixed also API doc for one of the functions.
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
---
lib/librte_ring/rte_ring.h | 14 +++++++-------
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/lib/librte_ring/rte_ring.h b/lib/librte_ring/rte_ring.h
index 3920830..7cd5f2d 100644
--- a/lib/librte_ring/rte_ring.h
+++ b/lib/librte_ring/rte_ring.h
@@ -1087,7 +1087,7 @@ struct rte_ring *rte_ring_lookup(const char *name);
* @return
* - n: Actual number of objects enqueued.
*/
-static inline int __attribute__((always_inline))
+static inline unsigned __attribute__((always_inline))
rte_ring_mp_enqueue_burst(struct rte_ring *r, void * const *obj_table,
unsigned n)
{
@@ -1106,7 +1106,7 @@ rte_ring_mp_enqueue_burst(struct rte_ring *r, void * const *obj_table,
* @return
* - n: Actual number of objects enqueued.
*/
-static inline int __attribute__((always_inline))
+static inline unsigned __attribute__((always_inline))
rte_ring_sp_enqueue_burst(struct rte_ring *r, void * const *obj_table,
unsigned n)
{
@@ -1129,7 +1129,7 @@ rte_ring_sp_enqueue_burst(struct rte_ring *r, void * const *obj_table,
* @return
* - n: Actual number of objects enqueued.
*/
-static inline int __attribute__((always_inline))
+static inline unsigned __attribute__((always_inline))
rte_ring_enqueue_burst(struct rte_ring *r, void * const *obj_table,
unsigned n)
{
@@ -1156,7 +1156,7 @@ rte_ring_enqueue_burst(struct rte_ring *r, void * const *obj_table,
* @return
* - n: Actual number of objects dequeued, 0 if ring is empty
*/
-static inline int __attribute__((always_inline))
+static inline unsigned __attribute__((always_inline))
rte_ring_mc_dequeue_burst(struct rte_ring *r, void **obj_table, unsigned n)
{
return __rte_ring_mc_do_dequeue(r, obj_table, n, RTE_RING_QUEUE_VARIABLE);
@@ -1176,7 +1176,7 @@ rte_ring_mc_dequeue_burst(struct rte_ring *r, void **obj_table, unsigned n)
* @return
* - n: Actual number of objects dequeued, 0 if ring is empty
*/
-static inline int __attribute__((always_inline))
+static inline unsigned __attribute__((always_inline))
rte_ring_sc_dequeue_burst(struct rte_ring *r, void **obj_table, unsigned n)
{
return __rte_ring_sc_do_dequeue(r, obj_table, n, RTE_RING_QUEUE_VARIABLE);
@@ -1196,9 +1196,9 @@ rte_ring_sc_dequeue_burst(struct rte_ring *r, void **obj_table, unsigned n)
* @param n
* The number of objects to dequeue from the ring to the obj_table.
* @return
- * - Number of objects dequeued, or a negative error code on error
+ * - Number of objects dequeued
*/
-static inline int __attribute__((always_inline))
+static inline unsigned __attribute__((always_inline))
rte_ring_dequeue_burst(struct rte_ring *r, void **obj_table, unsigned n)
{
if (r->cons.sc_dequeue)
--
1.7.4.1
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