symbiotic module updates

[palacios-OLD.git] / palacios / include / palacios / vmm_list.h

diff --git a/palacios/include/palacios/vmm_list.h b/palacios/include/palacios/vmm_list.h
index f44933a..f1e878f 100644 (file)
--- a/palacios/include/palacios/vmm_list.h
+++ b/palacios/include/palacios/vmm_list.h
@@ -263,6 +263,21 @@ static inline void list_splice_init(struct list_head *list,
     
 
 
+/** 
+ * list_next_entry -- get the struct for the next entry in a list
+ * @ptr:  current list entry
+ * @type: type of the struct this is embedded in
+ * @member: name of the list struct within the struct
+ */
+#define list_next_entry(node, type, member)                    \
+    ({                                                         \
+       type * next = NULL;                                     \
+       if ((node)->next != (node)) {                           \
+           next = list_entry((node)->next, type, member);      \
+       }                                                       \
+       next;                                                   \
+    })
+
 
 /**
  * list_for_each       -       iterate over a list