File: range_tree.h

package info (click to toggle)
linux 6.18.3-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,742,780 kB
  • sloc: ansic: 26,780,494; asm: 272,079; sh: 148,752; python: 79,241; makefile: 57,741; perl: 36,527; xml: 19,542; cpp: 5,911; yacc: 4,939; lex: 2,950; awk: 1,607; sed: 30; ruby: 25
file content (21 lines) | stat: -rw-r--r-- 667 bytes parent folder | download | duplicates (17)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
#ifndef _RANGE_TREE_H
#define _RANGE_TREE_H 1

struct range_tree {
	/* root of interval tree */
	struct rb_root_cached it_root;
	/* root of rbtree of interval sizes */
	struct rb_root_cached range_size_root;
};

void range_tree_init(struct range_tree *rt);
void range_tree_destroy(struct range_tree *rt);

int range_tree_clear(struct range_tree *rt, u32 start, u32 len);
int range_tree_set(struct range_tree *rt, u32 start, u32 len);
int is_range_tree_set(struct range_tree *rt, u32 start, u32 len);
s64 range_tree_find(struct range_tree *rt, u32 len);

#endif