diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-08-12 21:38:56 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2010-08-12 21:39:04 +0200 |
commit | f46a6804135795f77d096ab0128f27531c7d051c (patch) | |
tree | 7cd33f69e3661327739ae4c96e5a8389e7fc912e /tools/firewire/list.h | |
parent | b3e84ffa21f916e3354a12a7f19169c9febe96d0 (diff) | |
parent | ad41a1e0cab07c5125456e8d38e5b1ab148d04aa (diff) |
Merge branch 'linus' into perf/urgent
Merge reason: Fix upstream breakage introduced by:
de5d9bf: Move list types from <linux/list.h> to <linux/types.h>.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/firewire/list.h')
-rw-r--r-- | tools/firewire/list.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/tools/firewire/list.h b/tools/firewire/list.h new file mode 100644 index 00000000000..41f4bdadf63 --- /dev/null +++ b/tools/firewire/list.h @@ -0,0 +1,62 @@ +struct list { + struct list *next, *prev; +}; + +static inline void +list_init(struct list *list) +{ + list->next = list; + list->prev = list; +} + +static inline int +list_empty(struct list *list) +{ + return list->next == list; +} + +static inline void +list_insert(struct list *link, struct list *new_link) +{ + new_link->prev = link->prev; + new_link->next = link; + new_link->prev->next = new_link; + new_link->next->prev = new_link; +} + +static inline void +list_append(struct list *list, struct list *new_link) +{ + list_insert((struct list *)list, new_link); +} + +static inline void +list_prepend(struct list *list, struct list *new_link) +{ + list_insert(list->next, new_link); +} + +static inline void +list_remove(struct list *link) +{ + link->prev->next = link->next; + link->next->prev = link->prev; +} + +#define list_entry(link, type, member) \ + ((type *)((char *)(link)-(unsigned long)(&((type *)0)->member))) + +#define list_head(list, type, member) \ + list_entry((list)->next, type, member) + +#define list_tail(list, type, member) \ + list_entry((list)->prev, type, member) + +#define list_next(elm, member) \ + list_entry((elm)->member.next, typeof(*elm), member) + +#define list_for_each_entry(pos, list, member) \ + for (pos = list_head(list, typeof(*pos), member); \ + &pos->member != (list); \ + pos = list_next(pos, member)) + |