diff options
Diffstat (limited to 'tools/perf/util/include/linux/list.h')
-rw-r--r-- | tools/perf/util/include/linux/list.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/perf/util/include/linux/list.h b/tools/perf/util/include/linux/list.h new file mode 100644 index 00000000..f5ca26e5 --- /dev/null +++ b/tools/perf/util/include/linux/list.h @@ -0,0 +1,26 @@ +#include "../../../../include/linux/list.h" + +#ifndef PERF_LIST_H +#define PERF_LIST_H +/** + * list_del_range - deletes range of entries from list. + * @begin: first element in the range to delete from the list. + * @end: last element in the range to delete from the list. + * Note: list_empty on the range of entries does not return true after this, + * the entries is in an undefined state. + */ +static inline void list_del_range(struct list_head *begin, + struct list_head *end) +{ + begin->prev->next = end->next; + end->next->prev = begin->prev; +} + +/** + * list_for_each_from - iterate over a list from one of its nodes + * @pos: the &struct list_head to use as a loop cursor, from where to start + * @head: the head for your list. + */ +#define list_for_each_from(pos, head) \ + for (; prefetch(pos->next), pos != (head); pos = pos->next) +#endif |