X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=ipc%2Futil.h;h=f2f5036f2eeda9794bc545ac8045db3c56f7d425;hb=8f4af7df86c793fe3333e0cd2c769beef912d21c;hp=c5f3338ba1fa7913967c1bc7e9845e0561eeb027;hpb=41ed7fe92f17ab8d29e9c6ccf0679ba522552992;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/ipc/util.h b/ipc/util.h
index c5f3338b..f2f5036 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -47,6 +47,13 @@ static inline void msg_exit_ns(struct ipc_namespace *ns) { }
 static inline void shm_exit_ns(struct ipc_namespace *ns) { }
 #endif
 
+struct ipc_rcu {
+	struct rcu_head rcu;
+	atomic_t refcount;
+} ____cacheline_aligned_in_smp;
+
+#define ipc_rcu_to_struct(p)  ((void *)(p+1))
+
 /*
  * Structure that holds the parameters needed by the ipc operations
  * (see after)
@@ -120,7 +127,8 @@ void ipc_free(void* ptr, int size);
  */
 void* ipc_rcu_alloc(int size);
 int ipc_rcu_getref(void *ptr);
-void ipc_rcu_putref(void *ptr);
+void ipc_rcu_putref(void *ptr, void (*func)(struct rcu_head *head));
+void ipc_rcu_free(struct rcu_head *head);
 
 struct kern_ipc_perm *ipc_lock(struct ipc_ids *, int);
 struct kern_ipc_perm *ipc_obtain_object(struct ipc_ids *ids, int id);