1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef ANDROID_SERVICE_CAMERA_SCHEDULING_POLICY_UTILS_H 17 #define ANDROID_SERVICE_CAMERA_SCHEDULING_POLICY_UTILS_H 18 19 namespace android { 20 namespace camera3 { 21 namespace SchedulingPolicyUtils { 22 23 /** 24 * Request elevated priority for thread tid, whose thread group leader must be pid. 25 * Instead of using scheduling policy service, this method uses direct system calls. 26 * The priority parameter is currently restricted from 1 to 3 matching 27 * scheduling policy service implementation. 28 */ 29 int requestPriorityDirect(int pid, int tid, int prio); 30 31 } // SchedulingPolicyUtils 32 } // camera3 33 } // android 34 35 #endif 36