blob: 31090cd3234ea9fba2b931998c7c1e15de8109e7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* Ouroboros - Copyright (C) 2016 - 2018
*
* Data Buffer element in Random Deletion Ring Buffer
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
#ifndef OUROBOROS_SHM_DU_BUFF_H
#define OUROBOROS_SHM_DU_BUFF_H
#include <sys/types.h>
#include <stdint.h>
struct shm_du_buff;
size_t shm_du_buff_get_idx(struct shm_du_buff * sdb);
uint8_t * shm_du_buff_head(struct shm_du_buff * sdb);
uint8_t * shm_du_buff_tail(struct shm_du_buff * sdb);
uint8_t * shm_du_buff_head_alloc(struct shm_du_buff * sdb,
size_t size);
uint8_t * shm_du_buff_tail_alloc(struct shm_du_buff * sdb,
size_t size);
uint8_t * shm_du_buff_head_release(struct shm_du_buff * sdb,
size_t size);
uint8_t * shm_du_buff_tail_release(struct shm_du_buff * sdb,
size_t size);
void shm_du_buff_truncate(struct shm_du_buff * sdb,
size_t len);
#endif /* OUROBOROS_SHM_DU_BUFF_H */
|