[deliverable/linux.git] / tools / perf / util / rblist.h

#ifndef __PERF_RBLIST_H
#define __PERF_RBLIST_H

#include <linux/rbtree.h>
#include <stdbool.h>

/*
 * create node structs of the form:
 * struct my_node {
 *     struct rb_node rb_node;
 *     ... my data ...
 * };
 *
 * create list structs of the form:
 * struct mylist {
 *     struct rblist rblist;
 *     ... my data ...
 * };
 */

struct rblist {
	struct rb_root entries;
	unsigned int   nr_entries;

	int (*node_cmp)(struct rb_node *rbn, const void *entry);
	struct rb_node *(*node_new)(struct rblist *rlist, const void *new_entry);
	void (*node_delete)(struct rblist *rblist, struct rb_node *rb_node);
};

void rblist__init(struct rblist *rblist);
void rblist__delete(struct rblist *rblist);
int rblist__add_node(struct rblist *rblist, const void *new_entry);
void rblist__remove_node(struct rblist *rblist, struct rb_node *rb_node);
struct rb_node *rblist__find(struct rblist *rblist, const void *entry);
struct rb_node *rblist__findnew(struct rblist *rblist, const void *entry);
struct rb_node *rblist__entry(const struct rblist *rblist, unsigned int idx);

static inline bool rblist__empty(const struct rblist *rblist)
{
	return rblist->nr_entries == 0;
}

static inline unsigned int rblist__nr_entries(const struct rblist *rblist)
{
	return rblist->nr_entries;
}

#endif /* __PERF_RBLIST_H */
Commit	Line	Data
37bbd3ff DA	1	#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
	21	struct 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
	30	void rblist__init(struct rblist *rblist);
	31	void rblist__delete(struct rblist *rblist);
	32	int rblist__add_node(struct rblist rblist, const void new_entry);
	33	void rblist__remove_node(struct rblist rblist, struct rb_node rb_node);
	34	struct rb_node rblist__find(struct rblist rblist, const void *entry);
813335b8	35	struct rb_node rblist__findnew(struct rblist rblist, const void *entry);
37bbd3ff DA	36	struct rb_node rblist__entry(const struct rblist rblist, unsigned int idx);
	37
	38	static inline bool rblist__empty(const struct rblist *rblist)
	39	{
	40	return rblist->nr_entries == 0;
	41	}
	42
	43	static inline unsigned int rblist__nr_entries(const struct rblist *rblist)
	44	{
	45	return rblist->nr_entries;
	46	}
	47
	48	#endif /* __PERF_RBLIST_H */