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_H 17 #define QOS_MANAGER_H 18 19 namespace OHOS { 20 namespace QOS { 21 enum class QosLevel { 22 qos_background = 1, 23 qos_utility, 24 qos_default, 25 qos_user_initiated, 26 qos_deadline_request, 27 qos_user_interactive, 28 }; 29 30 class QosController { 31 public: 32 static QosController& GetInstance(); 33 34 int SetThreadQosForOtherThread(enum QosLevel level, int tid); 35 int ResetThreadQosForOtherThread(int tid); 36 37 private: 38 QosController() = default; 39 ~QosController() = default; 40 41 QosController(const QosController&) = delete; 42 QosController& operator=(const QosController&) = delete; 43 QosController(QosController&&) = delete; 44 QosController& operator=(const QosController&&) = delete; 45 46 int SetPolicy(); 47 bool policyStatus_ = false; 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 55 } // namespace QOS 56 } // namespace OHOS 57 58 #endif // QOS_MANAGER_H