1 /* 2 * Copyright 2018 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 <sched.h> 18 19 #include <android/hardware/graphics/composer/2.2/IComposer.h> 20 #include <binder/ProcessState.h> 21 #include <composer-passthrough/2.2/HwcLoader.h> 22 #include <hidl/HidlTransportSupport.h> 23 24 using android::hardware::graphics::composer::V2_2::IComposer; 25 using android::hardware::graphics::composer::V2_2::passthrough::HwcLoader; 26 27 int main() { 28 // the conventional HAL might start binder services 29 android::ProcessState::initWithDriver("/dev/vndbinder"); 30 android::ProcessState::self()->setThreadPoolMaxThreadCount(4); 31 android::ProcessState::self()->startThreadPool(); 32 33 // same as SF main thread 34 struct sched_param param = {0}; 35 param.sched_priority = 2; 36 if (sched_setscheduler(0, SCHED_FIFO | SCHED_RESET_ON_FORK, ¶m) != 0) { 37 ALOGE("Couldn't set SCHED_FIFO: %d", errno); 38 } 39 40 android::hardware::configureRpcThreadpool(4, true /* will join */); 41 42 android::sp<IComposer> composer = HwcLoader::load(); 43 if (composer == nullptr) { 44 return 1; 45 } 46 if (composer->registerAsService() != android::NO_ERROR) { 47 ALOGE("failed to register service"); 48 return 1; 49 } 50 51 android::hardware::joinRpcThreadpool(); 52 53 ALOGE("service is terminating"); 54 return 1; 55 } 56
