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
17package android.os;
18
19/**
20 * Initially only provides requestPriority() below, but in longer term
21 * other scheduling policy related services will be collected here.
22 *
23 * @hide
24 */
25interface ISchedulingPolicyService {
26
27    /**
28     * Move thread tid into appropriate cgroup and assign it priority prio.
29     * The thread group leader of tid must be pid.
30     * There may be restrictions on who can call this.
31     */
32    int requestPriority(int pid, int tid, int prio, boolean isForApp);
33
34    /**
35     * Move media.codec process between SP_FOREGROUND and SP_TOP_APP.
36     * When 'enable' is 'true', server will attempt to move media.codec process
37     * from SP_FOREGROUND into SP_TOP_APP cpuset. A valid 'client' must be
38     * provided for the server to receive death notifications. When 'enable'
39     * is 'false', server will attempt to move media.codec process back to
40     * the original cpuset, and 'client' is ignored in this case.
41     */
42    int requestCpusetBoost(boolean enable, IBinder client);
43}
44