/*
* Copyright ( c ) 2013 , Cisco Systems , Inc . All rights reserved .
*
* This software is available to you under a choice of one of two
* licenses . You may choose to be licensed under the terms of the GNU
* General Public License ( GPL ) Version 2 , available from the file
* COPYING in the main directory of this source tree , or the
* BSD license below :
*
* Redistribution and use in source and binary forms , with or
* without modification , are permitted provided that the following
* conditions are met :
*
* - Redistributions of source code must retain the above
* copyright notice , this list of conditions and the following
* disclaimer .
*
* - Redistributions in binary form must reproduce the above
* copyright notice , this list of conditions and the following
* disclaimer in the documentation and / or other materials
* provided with the distribution .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND ,
* EXPRESS OR IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY , FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT . IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER LIABILITY , WHETHER IN AN
* ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING FROM , OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE .
*
*/
#ifndef USNIC_UIOM_INTERVAL_TREE_H_
#define USNIC_UIOM_INTERVAL_TREE_H_
#include <linux/rbtree.h>
struct usnic_uiom_interval_node {
struct rb_node rb;
struct list_head link;
unsigned long start;
unsigned long last;
unsigned long __subtree_last;
unsigned int ref_cnt;
int flags;
};
extern void
usnic_uiom_interval_tree_insert(struct usnic_uiom_interval_node *node,
struct rb_root_cached *root);
extern void
usnic_uiom_interval_tree_remove(struct usnic_uiom_interval_node *node,
struct rb_root_cached *root);
extern struct usnic_uiom_interval_node *
usnic_uiom_interval_tree_iter_first(struct rb_root_cached *root,
unsigned long start,
unsigned long last);
extern struct usnic_uiom_interval_node *
usnic_uiom_interval_tree_iter_next(struct usnic_uiom_interval_node *node,
unsigned long start, unsigned long last);
/*
* Inserts { start . . . last } into { root } . If there are overlaps ,
* nodes will be broken up and merged
*/
int usnic_uiom_insert_interval(struct rb_root_cached *root,
unsigned long start, unsigned long last,
int flags);
/*
* Removed { start . . . last } from { root } . The nodes removed are returned in
* ' removed . ' The caller is responsibile for freeing memory of nodes in
* ' removed . '
*/
void usnic_uiom_remove_interval(struct rb_root_cached *root,
unsigned long start, unsigned long last,
struct list_head *removed);
/*
* Returns { start . . . last } - { root } ( relative complement of { start . . . last } in
* { root } ) in diff_set sorted ascendingly
*/
int usnic_uiom_get_intervals_diff(unsigned long start,
unsigned long last, int flags,
int flag_mask,
struct rb_root_cached *root,
struct list_head *diff_set);
/* Call this to free diff_set returned by usnic_uiom_get_intervals_diff */
void usnic_uiom_put_interval_set(struct list_head *intervals);
#endif /* USNIC_UIOM_INTERVAL_TREE_H_ */
Messung V0.5 in Prozent C=95 H=94 G=94
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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