17f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 27f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee#define POISON_POINTER_DELTA 0 33c85e737308ef95629b232745d6a8d141d87cc9aJP Abgrall#define LIST_POISON1 ((void *) (0x00100100 + POISON_POINTER_DELTA)) 43c85e737308ef95629b232745d6a8d141d87cc9aJP Abgrall#define LIST_POISON2 ((void *) (0x00200200 + POISON_POINTER_DELTA)) 57f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 63c85e737308ef95629b232745d6a8d141d87cc9aJP Abgrall#if !defined(offsetof) 77f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) 83c85e737308ef95629b232745d6a8d141d87cc9aJP Abgrall#endif 97f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee#define container_of(ptr, type, member) ({ \ 107f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 117f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee (type *)( (char *)__mptr - offsetof(type,member) );}) 127f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 137f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Leestruct list_head { 147f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee struct list_head *next, *prev; 157f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee}; 167f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 177f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee#define LIST_HEAD_INIT(name) { &(name), &(name) } 187f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 197f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee#define LIST_HEAD(name) \ 207f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee struct list_head name = LIST_HEAD_INIT(name) 217f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 227f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Leestatic inline void INIT_LIST_HEAD(struct list_head *list) 237f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee{ 247f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee list->next = list; 257f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee list->prev = list; 267f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee} 277f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 287f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Leestatic inline void __list_add(struct list_head *new, 297f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee struct list_head *prev, 307f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee struct list_head *next) 317f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee{ 327f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee next->prev = new; 337f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee new->next = next; 347f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee new->prev = prev; 357f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee prev->next = new; 367f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee} 377f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 387f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Leestatic inline void list_add(struct list_head *new, struct list_head *head) 397f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee{ 407f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee __list_add(new, head, head->next); 417f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee} 427f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 437f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Leestatic inline void list_add_tail(struct list_head *new, struct list_head *head) 447f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee{ 457f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee __list_add(new, head->prev, head); 467f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee} 477f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 487f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Leestatic inline void __list_del(struct list_head * prev, struct list_head * next) 497f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee{ 507f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee next->prev = prev; 517f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee prev->next = next; 527f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee} 537f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 547f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Leestatic inline void __list_del_entry(struct list_head *entry) 557f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee{ 567f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee __list_del(entry->prev, entry->next); 577f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee} 587f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 597f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Leestatic inline void list_del(struct list_head *entry) 607f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee{ 617f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee __list_del(entry->prev, entry->next); 627f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee entry->next = LIST_POISON1; 637f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee entry->prev = LIST_POISON2; 647f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee} 657f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 667f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Leestatic inline int list_empty(const struct list_head *head) 677f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee{ 687f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee return head->next == head; 697f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee} 707f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 717f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee#define list_entry(ptr, type, member) \ 727f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee container_of(ptr, type, member) 737f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 747f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee#define list_for_each(pos, head) \ 757f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee for (pos = (head)->next; pos != (head); pos = pos->next) 767f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee 777f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee#define list_for_each_safe(pos, n, head) \ 787f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee for (pos = (head)->next, n = pos->next; pos != (head); \ 797f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee pos = n, n = pos->next) 807f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee#define list_for_each_entry(pos, head, member) \ 817f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee for (pos = list_entry((head)->next, typeof(*pos), member); \ 827f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee &pos->member != (head); \ 837f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee pos = list_entry(pos->member.next, typeof(*pos), member)) 847f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee#define list_for_each_entry_safe(pos, n, head, member) \ 857f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee for (pos = list_entry((head)->next, typeof(*pos), member), \ 867f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee n = list_entry(pos->member.next, typeof(*pos), member); \ 877f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee &pos->member != (head); \ 887f35b548d4b0e3c8577ad7a09433e589a0ab3f2aChangman Lee pos = n, n = list_entry(n->member.next, typeof(*n), member)) 89