| /* |
| * 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. |
| */ |
| |
| #ifndef ANDROID_WATCHDOG_H |
| #define ANDROID_WATCHDOG_H |
| |
| #include <chrono> |
| #include <time.h> |
| |
| namespace android { |
| |
| /* |
| * An RAII-style object, which would crash the process if a timeout expires |
| * before the object is destroyed. |
| * The calling thread would be sent a SIGABORT, which would typically result in |
| * a stack trace. |
| * |
| * Sample usage: |
| * { |
| * Watchdog watchdog(std::chrono::milliseconds(10)); |
| * DoSomething(); |
| * } |
| * // If we got here, the function completed in time. |
| */ |
| class Watchdog final { |
| public: |
| Watchdog(std::chrono::steady_clock::duration timeout); |
| ~Watchdog(); |
| |
| private: |
| timer_t mTimerId; |
| }; |
| |
| } // namespace android |
| |
| #endif // ANDROID_WATCHDOG_H |