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/* SPDX-License-Identifier: GPL-2.0 */
#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_cached 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__exit(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 */
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