1 /*
2 * Copyright (C) 2017 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 #define LOG_TAG "schedulerservicehidl"
17
18 #include "SchedulingPolicyService.h"
19
20 #include <log/log.h>
21 #include <hwbinder/IPCThreadState.h>
22 #include <mediautils/SchedulingPolicyService.h>
23
24 namespace android {
25 namespace frameworks {
26 namespace schedulerservice {
27 namespace V1_0 {
28 namespace implementation {
29
isAllowed()30 bool SchedulingPolicyService::isAllowed() {
31 // TODO(b/37291237)
32 return true;
33 }
34
requestPriority(int32_t pid,int32_t tid,int32_t priority)35 Return<bool> SchedulingPolicyService::requestPriority(int32_t pid, int32_t tid, int32_t priority) {
36 if (priority < static_cast<int32_t>(Priority::MIN) ||
37 priority > static_cast<int32_t>(Priority::MAX)) {
38 return false;
39 }
40
41 if (!isAllowed()) {
42 return false;
43 }
44
45 // TODO(b/37226359): decouple from and remove AIDL service
46 // this should always be allowed since we are in system_server.
47 int value = ::android::requestPriority(pid, tid, priority, false /* isForApp */);
48 return value == 0 /* success */;
49 }
50
getMaxAllowedPriority()51 Return<int32_t> SchedulingPolicyService::getMaxAllowedPriority() {
52 if (!isAllowed()) {
53 return 0;
54 }
55
56 // TODO(b/37226359): decouple from and remove AIDL service
57 return 3;
58 }
59
60 } // namespace implementation
61 } // namespace V1_0
62 } // namespace schedulerservice
63 } // namespace frameworks
64 } // namespace android
65