48 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			48 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #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__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 */
 |