51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
|
/* 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 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 */
|