list.h File Reference

Intrusive linked list. More...

Detailed Description

Intrusive linked list.

Lists are represented as element pointing to the first actual list element.

Author

Kaspar Schleiser kaspa.nosp@m.r@sc.nosp@m.hleis.nosp@m.er.d.nosp@m.e

Víctor Ariño victo.nosp@m.r.ar.nosp@m.ino@z.nosp@m.ii.a.nosp@m.ero

Definition in file list.h.

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Data Structures
struct	list_node
	List node structure. More...
typedef struct list_node	list_node_t
	List node structure.
static void	list_add (list_node_t *node, list_node_t *new_node)
	Insert object into list.
static list_node_t *	list_remove_head (list_node_t *list)
	Removes the head of the list and returns it.
static list_node_t *	list_remove (list_node_t *list, list_node_t *node)
	Removes the node from the list.

Typedef Documentation

list_node_t

typedef struct list_node list_node_t

List node structure.

Used as is as reference to a list, or as member of any data structure that should be member of a list.

Actual list objects should have a list_node_t as member and then use the container_of() macro in list operations. See thread_add_to_list() as example.

Function Documentation

list_add()

static void list_add ( list_node_t * node, list_node_t * new_node )

inlinestatic

Insert object into list.

If called with a list reference as node, the new node will become the new list head.

Parameters

[in]	node	list node before new entry
[in]	new_node	list node to insert

Definition at line 53 of file list.h.

list_remove()

static list_node_t * list_remove ( list_node_t * list, list_node_t * node )

inlinestatic

Removes the node from the list.

Parameters

[in]	list	Pointer to the list itself, where list->next points to the root node
[in]	node	List node to remove from the list

Returns

removed node, or NULL if empty or not found

Definition at line 86 of file list.h.

list_remove_head()

static list_node_t * list_remove_head ( list_node_t * list )

inlinestatic

Removes the head of the list and returns it.

Parameters

[in]

list

Pointer to the list itself, where list->next points to the root node

Returns

removed old list head, or NULL if empty

Definition at line 67 of file list.h.