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/*
* 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