| /* |
| * Copyright 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <binder/IProcessInfoService.h> |
| #include <binder/Parcel.h> |
| #include <utils/Errors.h> |
| #include <sys/types.h> |
| |
| namespace android { |
| |
| // ---------------------------------------------------------------------- |
| |
| class BpProcessInfoService : public BpInterface<IProcessInfoService> { |
| public: |
| explicit BpProcessInfoService(const sp<IBinder>& impl) |
| : BpInterface<IProcessInfoService>(impl) {} |
| |
| virtual status_t getProcessStatesFromPids(size_t length, /*in*/ int32_t* pids, |
| /*out*/ int32_t* states) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IProcessInfoService::getInterfaceDescriptor()); |
| data.writeInt32Array(length, pids); |
| data.writeInt32(length); // write length of output array, used by java AIDL stubs |
| status_t err = remote()->transact(GET_PROCESS_STATES_FROM_PIDS, data, &reply); |
| if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| return err; |
| } |
| int32_t replyLen = reply.readInt32(); |
| if (static_cast<size_t>(replyLen) != length) { |
| return NOT_ENOUGH_DATA; |
| } |
| if (replyLen > 0 && (err = reply.read(states, length * sizeof(*states))) != NO_ERROR) { |
| return err; |
| } |
| return reply.readInt32(); |
| } |
| |
| virtual status_t getProcessStatesAndOomScoresFromPids(size_t length, |
| /*in*/ int32_t* pids, /*out*/ int32_t* states, /*out*/ int32_t* scores) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IProcessInfoService::getInterfaceDescriptor()); |
| data.writeInt32Array(length, pids); |
| // write length of output arrays, used by java AIDL stubs |
| data.writeInt32(length); |
| data.writeInt32(length); |
| status_t err = remote()->transact( |
| GET_PROCESS_STATES_AND_OOM_SCORES_FROM_PIDS, data, &reply); |
| if (err != NO_ERROR |
| || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| return err; |
| } |
| int32_t replyLen = reply.readInt32(); |
| if (static_cast<size_t>(replyLen) != length) { |
| return NOT_ENOUGH_DATA; |
| } |
| if (replyLen > 0 && (err = reply.read( |
| states, length * sizeof(*states))) != NO_ERROR) { |
| return err; |
| } |
| replyLen = reply.readInt32(); |
| if (static_cast<size_t>(replyLen) != length) { |
| return NOT_ENOUGH_DATA; |
| } |
| if (replyLen > 0 && (err = reply.read( |
| scores, length * sizeof(*scores))) != NO_ERROR) { |
| return err; |
| } |
| return reply.readInt32(); |
| } |
| }; |
| |
| IMPLEMENT_META_INTERFACE(ProcessInfoService, "android.os.IProcessInfoService"); |
| |
| // ---------------------------------------------------------------------- |
| |
| }; // namespace android |