Tri Vo | df20579 | 2019-01-30 09:24:19 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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 | #include <android-base/unique_fd.h> |
| 18 | #include <binder/BinderService.h> |
| 19 | #include <binder/IPCThreadState.h> |
| 20 | #include <binder/IServiceManager.h> |
| 21 | #include <binder/ProcessState.h> |
| 22 | #include <binder/Status.h> |
| 23 | #include <utils/String16.h> |
| 24 | |
| 25 | #include <android/ashmemd/BnAshmemDeviceService.h> |
| 26 | |
| 27 | using android::String16; |
| 28 | using android::base::unique_fd; |
| 29 | |
| 30 | namespace android { |
| 31 | namespace ashmemd { |
| 32 | |
| 33 | class AshmemDeviceService : public BnAshmemDeviceService { |
| 34 | public: |
| 35 | binder::Status open(os::ParcelFileDescriptor* ashmemFd) override { |
| 36 | ashmemFd->reset(unique_fd(TEMP_FAILURE_RETRY(::open("/dev/ashmem", O_RDWR | O_CLOEXEC)))); |
| 37 | return binder::Status::ok(); |
| 38 | } |
| 39 | }; |
| 40 | |
| 41 | void CreateAndRegisterService() { |
| 42 | sp<AshmemDeviceService> ashmemService = new AshmemDeviceService(); |
| 43 | defaultServiceManager()->addService(String16("ashmem_device_service"), ashmemService, |
| 44 | true /* allowIsolated */); |
| 45 | } |
| 46 | |
| 47 | void JoinThreadPool() { |
| 48 | sp<ProcessState> ps = ProcessState::self(); |
| 49 | IPCThreadState::self()->joinThreadPool(); // should not return |
| 50 | } |
| 51 | |
| 52 | } // namespace ashmemd |
| 53 | } // namespace android |
| 54 | |
| 55 | int main() { |
| 56 | android::ashmemd::CreateAndRegisterService(); |
| 57 | android::ashmemd::JoinThreadPool(); |
| 58 | std::abort(); // unreachable |
| 59 | } |