From 6083a94d68878c9ad5f59b28bd07e4738e9fb7b4 Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 11 May 2010 19:15:00 +0000 Subject: xserver git update 11/5/2010 --- xorg-server/include/list.h | 200 +++++++++++++++++++++++---------------------- 1 file changed, 103 insertions(+), 97 deletions(-) (limited to 'xorg-server/include/list.h') diff --git a/xorg-server/include/list.h b/xorg-server/include/list.h index a126a652d..3a07a0b77 100644 --- a/xorg-server/include/list.h +++ b/xorg-server/include/list.h @@ -1,97 +1,103 @@ -/* - * Copyright © 2010 Intel Corporation - * Copyright © 2010 Francisco Jerez - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - */ - -#ifndef _LIST_H_ -#define _LIST_H_ - -/* classic doubly-link circular list */ -struct list { - struct list *next, *prev; -}; - -static void -list_init(struct list *list) -{ - list->next = list->prev = list; -} - -static inline void -__list_add(struct list *entry, - struct list *prev, - struct list *next) -{ - next->prev = entry; - entry->next = next; - entry->prev = prev; - prev->next = entry; -} - -static inline void -list_add(struct list *entry, struct list *head) -{ - __list_add(entry, head, head->next); -} - -static inline void -__list_del(struct list *prev, struct list *next) -{ - next->prev = prev; - prev->next = next; -} - -static inline void -list_del(struct list *entry) -{ - __list_del(entry->prev, entry->next); - list_init(entry); -} - -static inline Bool -list_is_empty(struct list *head) -{ - return head->next == head; -} - -#ifndef container_of -#define container_of(ptr, type, member) \ - (type *)((char *)(ptr) - (char *) &((type *)0)->member) -#endif - -#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 __container_of(ptr, sample, member) \ - (void *)((char *)(ptr) \ - - ((char *)&(sample)->member - (char *)(sample))) - -#define list_for_each_entry(pos, head, member) \ - for (pos = __container_of((head)->next, pos, member); \ - &pos->member != (head); \ - pos = __container_of(pos->member.next, pos, member)) - -#endif +/* + * Copyright © 2010 Intel Corporation + * Copyright © 2010 Francisco Jerez + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#ifndef _LIST_H_ +#define _LIST_H_ + +/* classic doubly-link circular list */ +struct list { + struct list *next, *prev; +}; + +static void +list_init(struct list *list) +{ + list->next = list->prev = list; +} + +static inline void +__list_add(struct list *entry, + struct list *prev, + struct list *next) +{ + next->prev = entry; + entry->next = next; + entry->prev = prev; + prev->next = entry; +} + +static inline void +list_add(struct list *entry, struct list *head) +{ + __list_add(entry, head, head->next); +} + +static inline void +__list_del(struct list *prev, struct list *next) +{ + next->prev = prev; + prev->next = next; +} + +static inline void +list_del(struct list *entry) +{ + __list_del(entry->prev, entry->next); + list_init(entry); +} + +static inline Bool +list_is_empty(struct list *head) +{ + return head->next == head; +} + +#ifndef container_of +#define container_of(ptr, type, member) \ + (type *)((char *)(ptr) - (char *) &((type *)0)->member) +#endif + +#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 __container_of(ptr, sample, member) \ + (void *)((char *)(ptr) \ + - ((char *)&(sample)->member - (char *)(sample))) + +#define list_for_each_entry(pos, head, member) \ + for (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, next, head, member) \ + for (pos = __container_of((head)->next, pos, member), \ + next = __container_of(pos->member.next, pos, member); \ + &pos->member != (head); \ + pos = next, next = __container_of(next->member.next, next, member)) + +#endif -- cgit v1.2.3