/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <android-base/unique_fd.h>
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#include <binder/BinderService.h>
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#include <binder/IPCThreadState.h>
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#include <binder/IServiceManager.h>
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#include <binder/ProcessState.h>
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#include <binder/Status.h>
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#include <utils/String16.h>
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#include <android/ashmemd/BnAshmemDeviceService.h>
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using android::String16;
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using android::base::unique_fd;
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namespace android {
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namespace ashmemd {
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class AshmemDeviceService : public BnAshmemDeviceService {
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public:
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binder::Status open(os::ParcelFileDescriptor* ashmemFd) override {
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ashmemFd->reset(unique_fd(TEMP_FAILURE_RETRY(::open("/dev/ashmem", O_RDWR | O_CLOEXEC))));
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return binder::Status::ok();
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}
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};
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void CreateAndRegisterService() {
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sp<AshmemDeviceService> ashmemService = new AshmemDeviceService();
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defaultServiceManager()->addService(String16("ashmem_device_service"), ashmemService,
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true /* allowIsolated */);
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}
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void JoinThreadPool() {
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sp<ProcessState> ps = ProcessState::self();
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IPCThreadState::self()->joinThreadPool(); // should not return
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}
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} // namespace ashmemd
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} // namespace android
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int main() {
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android::ashmemd::CreateAndRegisterService();
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android::ashmemd::JoinThreadPool();
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std::abort(); // unreachable
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}
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