1 /* 2 * Copyright (C) 2012 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 17 #ifndef _ANDROID_SCHEDULING_POLICY_SERVICE_H 18 #define _ANDROID_SCHEDULING_POLICY_SERVICE_H 19 20 #include <utils/RefBase.h> 21 22 namespace android { 23 24 class IBinder; 25 // Request elevated priority for thread tid, whose thread group leader must be pid. 26 // The priority parameter is currently restricted from 1 to 3. 27 // The asynchronous parameter should be 'true' to return immediately, 28 // after the request is enqueued but not necessarily executed. 29 // The default value 'false' means to return after request has been enqueued and executed. 30 int requestPriority(pid_t pid, pid_t tid, int32_t prio, bool isForApp, bool asynchronous = false); 31 32 // Request to move media.codec process between SP_FOREGROUND and SP_TOP_APP. 33 // When 'enable' is 'true', server will attempt to move media.codec process 34 // from SP_FOREGROUND into SP_TOP_APP cpuset. A valid 'client' must be provided 35 // for the server to receive death notifications. When 'enable' is 'false', server 36 // will attempt to move media.codec process back to the original cpuset, and 37 // 'client' is ignored in this case. 38 int requestCpusetBoost(bool enable, const sp<IBinder> &client); 39 40 // Audio: Request Spatializer RT priority for thread tid, whose thread group leader must be pid. 41 // returns positive value if successful, the RT priority used 42 // zero, if no RT priority selected 43 // negative status code if RT priority unable to be set. 44 int requestSpatializerPriority(pid_t pid, pid_t tid); 45 46 } // namespace android 47 48 #endif // _ANDROID_SCHEDULING_POLICY_SERVICE_H 49