blob: a0313f62745696a10adfd2d5e474699e8d5f9dd3 (
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
|
/*
* V4L2 Codec decoding example application
* Kamil Debski <k.debski@samsung.com>
*
* Queue handling header file
*
* Copyright 2012 Samsung Electronics Co., Ltd.
*
* 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 INCLUDE_QUEUE_H
#define INCLUDE_QUEUE_H
#include <pthread.h>
struct queue {
int size;
int head;
int tail;
int n;
int *q;
pthread_mutex_t mutex;
};
/* Initialize queue and allocate memory */
int queue_init(struct queue *q, int size);
/* Add an element to the queue */
int queue_add(struct queue *q, int e);
/* Remove the element form queue */
int queue_remove(struct queue *q);
/* Free the internal queue memory */
void queue_free(struct queue *q);
/* Check if the queue is empty */
int queue_empty(struct queue *q);
#endif /* INCLUDE_QUEUE_H */
|