[PATCH v4 10/16] eventdev: add allocation function attributes

[Stephen Hemminger <stephen@networkplumber.org>]

Use function attributes to catch cases where eventdev is allocated
but not freed correctly.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/eventdev/rte_event_ring.h | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/lib/eventdev/rte_event_ring.h b/lib/eventdev/rte_event_ring.h
index 5769da269e..a8f308e4d6 100644
--- a/lib/eventdev/rte_event_ring.h
+++ b/lib/eventdev/rte_event_ring.h
@@ -247,7 +247,18 @@ int
 rte_event_ring_init(struct rte_event_ring *r, const char *name,
 	unsigned int count, unsigned int flags);
 
-/*
+
+/**
+ * De-allocate all memory used by the ring.
+ *
+ * @param r
+ *   Pointer to ring to created with rte_event_ring_create().
+ *   If r is NULL, no operation is performed.
+ */
+void
+rte_event_ring_free(struct rte_event_ring *r);
+
+/**
  * Create an event ring structure
  *
  * This function allocates memory and initializes an event ring inside that
@@ -288,8 +299,8 @@ rte_event_ring_init(struct rte_event_ring *r, const char *name,
  *    - ENOMEM - no appropriate memory area found in which to create memzone
  */
 struct rte_event_ring *
-rte_event_ring_create(const char *name, unsigned int count, int socket_id,
-		unsigned int flags);
+rte_event_ring_create(const char *name, unsigned int count, int socket_id, unsigned int flags)
+	__rte_malloc __rte_dealloc(rte_event_ring_free, 1);
 
 /**
  * Search for an event ring based on its name
@@ -304,16 +315,6 @@ rte_event_ring_create(const char *name, unsigned int count, int socket_id,
 struct rte_event_ring *
 rte_event_ring_lookup(const char *name);
 
-/**
- * De-allocate all memory used by the ring.
- *
- * @param r
- *   Pointer to ring to created with rte_event_ring_create().
- *   If r is NULL, no operation is performed.
- */
-void
-rte_event_ring_free(struct rte_event_ring *r);
-
 /**
  * Return the size of the event ring.
  *
-- 
2.45.2