Changeset 2ee1ccc in mainline for kernel/generic/include/adt/list.h

Timestamp:

2012-07-01T05:18:27Z (12 years ago)

Author:

Adam Hraska <adam.hraska+hos@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

d71331b

Parents:

49e6c6b4

Message:

smp_call: initial unicast version for ia32, amd64.

File:

• kernel/generic/include/adt/list.h (modified) (1 diff)

kernel/generic/include/adt/list.h

@@ -258 +258 @@
 }
 
+/** Moves items of one list into another after the specified item.
+ * 
+ * Inserts all items of @a list after item at @a pos in another list. 
+ * Both lists may be empty. 
+ * 
+ * In order to insert the list at the beginning of another list, use:
+ * @code 
+ * list_splice(&list_dest.head, &list_src);
+ * @endcode
+ * 
+ * @param list Source list to move after pos.
+ * @param pos Source items will be placed after this item.
+ */
+NO_TRACE static inline void list_splice(list_t *list, link_t *pos)
+{
+        link_t *pos_next = pos->next;
+        
+        if (!list_empty(list)) {
+                link_t *first = list->head.next;
+                link_t *last = list->head.prev;
+
+                pos->next = first;
+                first->prev = pos;
+
+                last->next = pos_next;
+                pos_next->prev = last;
+                
+                list_initialize(list);
+        }
+}
+
 /** Get n-th item in a list.
  *