diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_double_list.h')
-rw-r--r-- | src/gallium/auxiliary/util/u_double_list.h | 116 |
1 files changed, 2 insertions, 114 deletions
diff --git a/src/gallium/auxiliary/util/u_double_list.h b/src/gallium/auxiliary/util/u_double_list.h index 01b87e3a..c170f285 100644 --- a/src/gallium/auxiliary/util/u_double_list.h +++ b/src/gallium/auxiliary/util/u_double_list.h @@ -25,123 +25,11 @@ * **************************************************************************/ -/** - * \file - * List macros heavily inspired by the Linux kernel - * list handling. No list looping yet. - * - * Is not threadsafe, so common operations need to - * be protected using an external mutex. - */ - #ifndef _U_DOUBLE_LIST_H_ #define _U_DOUBLE_LIST_H_ +#include "util/list.h" -#include <stddef.h> -#include "pipe/p_compiler.h" - - -struct list_head -{ - struct list_head *prev; - struct list_head *next; -}; - -static inline void list_inithead(struct list_head *item) -{ - item->prev = item; - item->next = item; -} - -static inline void list_add(struct list_head *item, struct list_head *list) -{ - item->prev = list; - item->next = list->next; - list->next->prev = item; - list->next = item; -} - -static inline void list_addtail(struct list_head *item, struct list_head *list) -{ - item->next = list; - item->prev = list->prev; - list->prev->next = item; - list->prev = item; -} - -static inline void list_replace(struct list_head *from, struct list_head *to) -{ - to->prev = from->prev; - to->next = from->next; - from->next->prev = to; - from->prev->next = to; -} - -static inline void list_del(struct list_head *item) -{ - item->prev->next = item->next; - item->next->prev = item->prev; - item->prev = item->next = NULL; -} - -static inline void list_delinit(struct list_head *item) -{ - item->prev->next = item->next; - item->next->prev = item->prev; - item->next = item; - item->prev = item; -} - -#define LIST_INITHEAD(__item) list_inithead(__item) -#define LIST_ADD(__item, __list) list_add(__item, __list) -#define LIST_ADDTAIL(__item, __list) list_addtail(__item, __list) -#define LIST_REPLACE(__from, __to) list_replace(__from, __to) -#define LIST_DEL(__item) list_del(__item) -#define LIST_DELINIT(__item) list_delinit(__item) - -#define LIST_ENTRY(__type, __item, __field) \ - ((__type *)(((char *)(__item)) - offsetof(__type, __field))) - -#define LIST_IS_EMPTY(__list) \ - ((__list)->next == (__list)) - -/** - * Cast from a pointer to a member of a struct back to the containing struct. - * - * 'sample' MUST be initialized, or else the result is undefined! - */ -#ifndef container_of -#define container_of(ptr, sample, member) \ - (void *)((char *)(ptr) \ - - ((char *)&(sample)->member - (char *)(sample))) -#endif - -#define LIST_FOR_EACH_ENTRY(pos, head, member) \ - for (pos = NULL, pos = container_of((head)->next, pos, member); \ - &pos->member != (head); \ - pos = container_of(pos->member.next, pos, member)) - -#define LIST_FOR_EACH_ENTRY_SAFE(pos, storage, head, member) \ - for (pos = NULL, pos = container_of((head)->next, pos, member), \ - storage = container_of(pos->member.next, pos, member); \ - &pos->member != (head); \ - pos = storage, storage = container_of(storage->member.next, storage, member)) - -#define LIST_FOR_EACH_ENTRY_SAFE_REV(pos, storage, head, member) \ - for (pos = NULL, pos = container_of((head)->prev, pos, member), \ - storage = container_of(pos->member.prev, pos, member); \ - &pos->member != (head); \ - pos = storage, storage = container_of(storage->member.prev, storage, member)) - -#define LIST_FOR_EACH_ENTRY_FROM(pos, start, head, member) \ - for (pos = NULL, pos = container_of((start), pos, member); \ - &pos->member != (head); \ - pos = container_of(pos->member.next, pos, member)) - -#define LIST_FOR_EACH_ENTRY_FROM_REV(pos, start, head, member) \ - for (pos = NULL, pos = container_of((start), pos, member); \ - &pos->member != (head); \ - pos = container_of(pos->member.prev, pos, member)) +#define LIST_IS_EMPTY(__list) list_is_empty(__list) #endif /*_U_DOUBLE_LIST_H_*/ |