/* * Copyright (C) 2020 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 "watchdog.h" #include #include class MyWatchdog : public android::automotive::agl::utils::SystemdWatchdog { protected: bool IsHealthy() override { ++mCounter; const bool ok = (mCounter <= 3); fprintf(stderr, "watchdog health: %d %s\n", mCounter, (ok ? "true" : "false")); return ok; } private: int mCounter = 0; }; int main() { MyWatchdog wd; std::thread t1([]() { while (true) std::this_thread::sleep_for(std::chrono::hours(1)); }); t1.join(); return 0; }