[dpdk-dev] ring: Fix return type in enqueue and dequeue burst functions
Commit Message
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@intel.com>
---
lib/librte_ring/rte_ring.h | 14 +++++++-------
1 files changed, 7 insertions(+), 7 deletions(-)
Comments
Hi Pablo,
On 12/15/2014 02:41 PM, Pablo de Lara wrote:
> 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@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
> > 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@intel.com>
>
> Acked-by: Olivier Matz <olivier.matz@6wind.com>
Applied
Thanks
@@ -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)