Support to multi-threading and pthread interface (POSIX.1-2008) (#23)

[lunaix-os.git] / lunaix-os / includes / lunaix / ds / llist.h

diff --git a/lunaix-os/includes/lunaix/ds/llist.h b/lunaix-os/includes/lunaix/ds/llist.h
index ecce44ab332d92af3bed87d0b2fa7957a49b6b1f..1eec54bc42a16a36245a6278f2d32bcfd70a0ec3 100644 (file)
--- a/lunaix-os/includes/lunaix/ds/llist.h
+++ b/lunaix-os/includes/lunaix/ds/llist.h
@@ -87,6 +87,22 @@ llist_empty(struct llist_header* elem)
  */
 #define list_entry(ptr, type, member) container_of(ptr, type, member)
 
+/**
+ * list_next - get the struct for next entry
+ * @ptr:       the &struct list_head pointer.
+ * @type:      the type of the struct this is embedded in.
+ * @member:    the name of the list_struct within the struct.
+ */
+#define list_next(current, type, member) container_of(current->member.next, type, member)
+
+/**
+ * list_prev - get the struct for prev entry
+ * @ptr:       the &struct list_head pointer.
+ * @type:      the type of the struct this is embedded in.
+ * @member:    the name of the list_struct within the struct.
+ */
+#define list_prev(current, type, member) container_of(current->member.prev, type, member)
+
 /**
  * list_for_each_entry -       iterate over list of given type
  * @pos:       the type * to use as a loop counter.