blob: 7fc9c2b4e4b0af6d806857ef4e87a9ba55c712a9 [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/macros.h"
#include "base/synchronization/lock.h"
#include "base/threading/watchdog.h"
namespace remoting {
// This implements a watchdog timer that ensures the host process eventually
// terminates, even if some threads are blocked or being kept alive for
// some reason. This is not expected to trigger if host shutdown is working
// correctly (on a normally loaded system). The triggering of the alarm
// indicates a sign of trouble, and so the Alarm() method will log some
// diagnostic information before shutting down the process.
class ShutdownWatchdog : public base::Watchdog {
// Creates a watchdog that waits for |duration| (after the watchdog is
// armed) before shutting down the process.
explicit ShutdownWatchdog(const base::TimeDelta& duration);
// This method should be called to set the process's exit-code before arming
// the watchdog. Otherwise an exit-code of 0 is assumed.
void SetExitCode(int exit_code);
void Alarm() override;
int exit_code_;
// Protects |exit_code_|, since Alarm() gets called on a separate thread.
base::Lock lock_;
} // namespace remoting