mirror of
https://github.com/openvswitch/ovs
synced 2025-10-11 13:57:52 +00:00
27c247496f
id_pool_alloc_id() was created by breaking out the recirculation allocation code. As it is now a library call it makes sense to remove the restriction that id 0 is reserved. Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: Ben Pfaff <blp@nicira.com>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
|
|
* Copyright (c) 2014 Nicira, Inc.
|
|
* Copyright (c) 2014 Netronome.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at:
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef ID_POOL_H
|
|
#define ID_POOL_H
|
|
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
struct id_pool;
|
|
|
|
struct id_pool *id_pool_create(uint32_t base, uint32_t n_ids);
|
|
void id_pool_destroy(struct id_pool *);
|
|
bool id_pool_alloc_id(struct id_pool *, uint32_t *id);
|
|
void id_pool_free_id(struct id_pool *, uint32_t id);
|
|
void id_pool_add(struct id_pool *, uint32_t id);
|
|
|
|
/*
|
|
* ID pool.
|
|
* ========
|
|
*
|
|
* Pool of unique 32bit ids.
|
|
*
|
|
*
|
|
* Thread-safety
|
|
* =============
|
|
*
|
|
* APIs are not thread safe.
|
|
*/
|
|
#endif /* id-pool.h */
|