1 /*
2  * Copyright (c) 2023 Huawei Device 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 QOS_MANAGER_INTERFACES_INNER_API_QOS_H
17 #define QOS_MANAGER_INTERFACES_INNER_API_QOS_H
18 
19 namespace OHOS {
20 namespace QOS {
21 enum class QosLevel {
22     QOS_BACKGROUND,
23     QOS_UTILITY,
24     QOS_DEFAULT,
25     QOS_USER_INITIATED,
26     QOS_DEADLINE_REQUEST,
27     QOS_USER_INTERACTIVE,
28     QOS_KEY_BACKGROUND,
29     QOS_MAX,
30 };
31 
32 class QosController {
33 public:
34     static QosController& GetInstance();
35 
36     int SetThreadQosForOtherThread(enum QosLevel level, int tid);
37     int ResetThreadQosForOtherThread(int tid);
38     int GetThreadQosForOtherThread(enum QosLevel &level, int tid);
39 
40 private:
41     QosController() = default;
42     ~QosController() = default;
43 
44     QosController(const QosController&) = delete;
45     QosController& operator=(const QosController&) = delete;
46     QosController(QosController&&) = delete;
47     QosController& operator=(const QosController&&) = delete;
48 };
49 
50 int SetThreadQos(enum QosLevel level);
51 int SetQosForOtherThread(enum QosLevel level, int tid);
52 int ResetThreadQos();
53 int ResetQosForOtherThread(int tid);
54 int GetThreadQos(enum QosLevel &level);
55 int GetQosForOtherThread(enum QosLevel &level, int tid);
56 } // namespace QOS
57 } // namespace OHOS
58 
59 #endif // QOS_MANAGER_INTERFACES_INNER_API_QOS_H
60