list.h File Reference

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Data Structures

struct  list_head

Defines

#define LIST_HEAD_INIT(name)   { &(name), &(name) }
#define LIST_HEAD(name)   struct list_head name = LIST_HEAD_INIT(name)
#define offsetof(TYPE, MEMBER)   ((size_t) &((TYPE *)0)->MEMBER)
#define container_of(ptr, type, member)
#define list_entry(ptr, type, member)   container_of(ptr, type, member)
#define list_first_entry(ptr, type, member)   list_entry((ptr)->next, type, member)
#define list_for_each(pos, head)
#define list_for_each_prev(pos, head)
#define list_for_each_entry(pos, head, member)
#define list_for_each_entry_reverse(pos, head, member)
#define list_prepare_entry(pos, head, member)   ((pos) ? : list_entry(head, typeof(*pos), member))


Define Documentation

#define container_of ( ptr,
type,
member   ) 

Value:

({                            \
            const typeof( ((type *)0)->member ) *__mptr = (ptr);      \
            (type *)( (char *)__mptr - offsetof(type,member) );})

#define list_entry ( ptr,
type,
member   )     container_of(ptr, type, member)

#define list_first_entry ( ptr,
type,
member   )     list_entry((ptr)->next, type, member)

list_first_entry - get the first element from a list

Parameters:
ptr the list head to take the element from.
type the type of the struct this is embedded in.
member the name of the list_struct within the struct.
Note, that list is expected to be not empty.

#define list_for_each ( pos,
head   ) 

Value:

for (pos = (head)->next; pos != (head);     \
         pos = pos->next)
list_for_each - iterate over a list
Parameters:
pos the &struct list_head to use as a loop cursor.
head the head for your list.

#define list_for_each_entry ( pos,
head,
member   ) 

Value:

for (pos = list_entry((head)->next, typeof(*pos), member);        \
         &pos->member != (head);                                      \
         pos = list_entry(pos->member.next, typeof(*pos), member))
list_for_each_entry - iterate over list of given type
Parameters:
pos the type * to use as a loop cursor.
head the head for your list.
member the name of the list_struct within the struct.

#define list_for_each_entry_reverse ( pos,
head,
member   ) 

Value:

for (pos = list_entry((head)->prev, typeof(*pos), member);        \
         &pos->member != (head);                                      \
         pos = list_entry(pos->member.prev, typeof(*pos), member))
list_for_each_entry_reverse - iterate backwards over list of given type.
Parameters:
pos the type * to use as a loop cursor.
head the head for your list.
member the name of the list_struct within the struct.

#define list_for_each_prev ( pos,
head   ) 

Value:

for (pos = (head)->prev; pos != (head);     \
         pos = pos->prev)
list_for_each_prev - iterate over a list backwards : the &struct list_head to use as a loop cursor. : the head for your list.

#define LIST_HEAD ( name   )     struct list_head name = LIST_HEAD_INIT(name)

#define LIST_HEAD_INIT ( name   )     { &(name), &(name) }

#define list_prepare_entry ( pos,
head,
member   )     ((pos) ? : list_entry(head, typeof(*pos), member))

list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()

Parameters:
pos the type * to use as a start point
head the head of the list
member the name of the list_struct within the struct.
Prepares a pos entry for use as a start point in list_for_each_entry_continue().

#define offsetof ( TYPE,
MEMBER   )     ((size_t) &((TYPE *)0)->MEMBER)

list_entry - get the struct for this entry

Parameters:
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.


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