1 /*
2  * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef __MPP_QUEUE_H__
17 #define __MPP_QUEUE_H__
18 
19 #include "mpp_list.h"
20 
21 class MppQueue : public mpp_list {
22 public:
23     MppQueue(node_destructor func);
24     ~MppQueue();
25     signed int push(void *data, signed int size);
26     signed int pull(void *data, signed int size);
27     signed int flush();
28 
29 private:
30     sem_t mQueuePending;
31     int mFlushFlag;
32 };
33 
34 #endif
35