mirror of https://gitee.com/openkylin/linux.git
28 lines
757 B
C
28 lines
757 B
C
#ifndef _LINUX_INTERVAL_TREE_H
|
|
#define _LINUX_INTERVAL_TREE_H
|
|
|
|
#include <linux/rbtree.h>
|
|
|
|
struct interval_tree_node {
|
|
struct rb_node rb;
|
|
unsigned long start; /* Start of interval */
|
|
unsigned long last; /* Last location _in_ interval */
|
|
unsigned long __subtree_last;
|
|
};
|
|
|
|
extern void
|
|
interval_tree_insert(struct interval_tree_node *node, struct rb_root *root);
|
|
|
|
extern void
|
|
interval_tree_remove(struct interval_tree_node *node, struct rb_root *root);
|
|
|
|
extern struct interval_tree_node *
|
|
interval_tree_iter_first(struct rb_root *root,
|
|
unsigned long start, unsigned long last);
|
|
|
|
extern struct interval_tree_node *
|
|
interval_tree_iter_next(struct interval_tree_node *node,
|
|
unsigned long start, unsigned long last);
|
|
|
|
#endif /* _LINUX_INTERVAL_TREE_H */
|