| /* |
| * Copyright 2022, 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 <android-base/logging.h> |
| #include <android/binder_manager.h> |
| #include <android/binder_process.h> |
| #include <binder/ProcessState.h> |
| #include <sched.h> |
| |
| #include "Composer.h" |
| |
| using aidl::android::hardware::graphics::composer3::impl::Composer; |
| |
| int main(int /*argc*/, char** /*argv*/) { |
| ALOGI("RanchuHWC (HWComposer3/HWC3) starting up..."); |
| |
| // same as SF main thread |
| struct sched_param param = {0}; |
| param.sched_priority = 2; |
| if (sched_setscheduler(0, SCHED_FIFO | SCHED_RESET_ON_FORK, ¶m) != 0) { |
| ALOGE("%s: failed to set priority: %s", __FUNCTION__, strerror(errno)); |
| } |
| |
| auto composer = ndk::SharedRefBase::make<Composer>(); |
| CHECK(composer != nullptr); |
| |
| const std::string instance = |
| std::string() + Composer::descriptor + "/default"; |
| binder_status_t status = |
| AServiceManager_addService(composer->asBinder().get(), instance.c_str()); |
| CHECK(status == STATUS_OK); |
| |
| // Thread pool for vendor libbinder for internal vendor services |
| android::ProcessState::self()->setThreadPoolMaxThreadCount(2); |
| android::ProcessState::self()->startThreadPool(); |
| |
| // Thread pool for system libbinder (via libbinder_ndk) for aidl services |
| // IComposer and IDisplay |
| ABinderProcess_setThreadPoolMaxThreadCount(5); |
| ABinderProcess_startThreadPool(); |
| ABinderProcess_joinThreadPool(); |
| |
| return EXIT_FAILURE; |
| } |