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David Ahern37bbd3f2012-07-30 22:31:32 -06001#ifndef __PERF_RBLIST_H
2#define __PERF_RBLIST_H
3
4#include <linux/rbtree.h>
5#include <stdbool.h>
6
7/*
8 * create node structs of the form:
9 * struct my_node {
10 * struct rb_node rb_node;
11 * ... my data ...
12 * };
13 *
14 * create list structs of the form:
15 * struct mylist {
16 * struct rblist rblist;
17 * ... my data ...
18 * };
19 */
20
21struct rblist {
22 struct rb_root entries;
23 unsigned int nr_entries;
24
25 int (*node_cmp)(struct rb_node *rbn, const void *entry);
26 struct rb_node *(*node_new)(struct rblist *rlist, const void *new_entry);
27 void (*node_delete)(struct rblist *rblist, struct rb_node *rb_node);
28};
29
30void rblist__init(struct rblist *rblist);
31void rblist__delete(struct rblist *rblist);
32int rblist__add_node(struct rblist *rblist, const void *new_entry);
33void rblist__remove_node(struct rblist *rblist, struct rb_node *rb_node);
34struct rb_node *rblist__find(struct rblist *rblist, const void *entry);
David Ahern813335b2013-10-08 21:26:52 -060035struct rb_node *rblist__findnew(struct rblist *rblist, const void *entry);
David Ahern37bbd3f2012-07-30 22:31:32 -060036struct rb_node *rblist__entry(const struct rblist *rblist, unsigned int idx);
37
38static inline bool rblist__empty(const struct rblist *rblist)
39{
40 return rblist->nr_entries == 0;
41}
42
43static inline unsigned int rblist__nr_entries(const struct rblist *rblist)
44{
45 return rblist->nr_entries;
46}
47
48#endif /* __PERF_RBLIST_H */