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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CONTENT_GPU_GPU_WATCHDOG_THREAD_H_ | 5 #ifndef CONTENT_GPU_GPU_WATCHDOG_THREAD_H_ |
| 6 #define CONTENT_GPU_GPU_WATCHDOG_THREAD_H_ | 6 #define CONTENT_GPU_GPU_WATCHDOG_THREAD_H_ |
| 7 | 7 |
| 8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
| 9 #include "base/memory/weak_ptr.h" | 9 #include "base/memory/weak_ptr.h" |
| 10 #include "base/message_loop/message_loop.h" | 10 #include "base/message_loop/message_loop.h" |
| (...skipping 11 matching lines...) Expand all Loading... |
| 22 public base::PowerObserver, | 22 public base::PowerObserver, |
| 23 public base::RefCountedThreadSafe<GpuWatchdogThread> { | 23 public base::RefCountedThreadSafe<GpuWatchdogThread> { |
| 24 public: | 24 public: |
| 25 explicit GpuWatchdogThread(int timeout); | 25 explicit GpuWatchdogThread(int timeout); |
| 26 | 26 |
| 27 // Accessible on watched thread but only modified by watchdog thread. | 27 // Accessible on watched thread but only modified by watchdog thread. |
| 28 bool armed() const { return armed_; } | 28 bool armed() const { return armed_; } |
| 29 void PostAcknowledge(); | 29 void PostAcknowledge(); |
| 30 | 30 |
| 31 // Implement GpuWatchdog. | 31 // Implement GpuWatchdog. |
| 32 virtual void CheckArmed() OVERRIDE; | 32 virtual void CheckArmed() override; |
| 33 | 33 |
| 34 // Must be called after a PowerMonitor has been created. Can be called from | 34 // Must be called after a PowerMonitor has been created. Can be called from |
| 35 // any thread. | 35 // any thread. |
| 36 void AddPowerObserver(); | 36 void AddPowerObserver(); |
| 37 | 37 |
| 38 protected: | 38 protected: |
| 39 virtual void Init() OVERRIDE; | 39 virtual void Init() override; |
| 40 virtual void CleanUp() OVERRIDE; | 40 virtual void CleanUp() override; |
| 41 | 41 |
| 42 private: | 42 private: |
| 43 friend class base::RefCountedThreadSafe<GpuWatchdogThread>; | 43 friend class base::RefCountedThreadSafe<GpuWatchdogThread>; |
| 44 | 44 |
| 45 // An object of this type intercepts the reception and completion of all tasks | 45 // An object of this type intercepts the reception and completion of all tasks |
| 46 // on the watched thread and checks whether the watchdog is armed. | 46 // on the watched thread and checks whether the watchdog is armed. |
| 47 class GpuWatchdogTaskObserver : public base::MessageLoop::TaskObserver { | 47 class GpuWatchdogTaskObserver : public base::MessageLoop::TaskObserver { |
| 48 public: | 48 public: |
| 49 explicit GpuWatchdogTaskObserver(GpuWatchdogThread* watchdog); | 49 explicit GpuWatchdogTaskObserver(GpuWatchdogThread* watchdog); |
| 50 virtual ~GpuWatchdogTaskObserver(); | 50 virtual ~GpuWatchdogTaskObserver(); |
| 51 | 51 |
| 52 // Implements MessageLoop::TaskObserver. | 52 // Implements MessageLoop::TaskObserver. |
| 53 virtual void WillProcessTask( | 53 virtual void WillProcessTask( |
| 54 const base::PendingTask& pending_task) OVERRIDE; | 54 const base::PendingTask& pending_task) override; |
| 55 virtual void DidProcessTask(const base::PendingTask& pending_task) OVERRIDE; | 55 virtual void DidProcessTask(const base::PendingTask& pending_task) override; |
| 56 | 56 |
| 57 private: | 57 private: |
| 58 GpuWatchdogThread* watchdog_; | 58 GpuWatchdogThread* watchdog_; |
| 59 }; | 59 }; |
| 60 | 60 |
| 61 virtual ~GpuWatchdogThread(); | 61 virtual ~GpuWatchdogThread(); |
| 62 | 62 |
| 63 void OnAcknowledge(); | 63 void OnAcknowledge(); |
| 64 void OnCheck(bool after_suspend); | 64 void OnCheck(bool after_suspend); |
| 65 void DeliberatelyTerminateToRecoverFromHang(); | 65 void DeliberatelyTerminateToRecoverFromHang(); |
| 66 | 66 |
| 67 void OnAddPowerObserver(); | 67 void OnAddPowerObserver(); |
| 68 | 68 |
| 69 // Implement PowerObserver. | 69 // Implement PowerObserver. |
| 70 virtual void OnSuspend() OVERRIDE; | 70 virtual void OnSuspend() override; |
| 71 virtual void OnResume() OVERRIDE; | 71 virtual void OnResume() override; |
| 72 | 72 |
| 73 #if defined(OS_WIN) | 73 #if defined(OS_WIN) |
| 74 base::TimeDelta GetWatchedThreadTime(); | 74 base::TimeDelta GetWatchedThreadTime(); |
| 75 #endif | 75 #endif |
| 76 | 76 |
| 77 base::MessageLoop* watched_message_loop_; | 77 base::MessageLoop* watched_message_loop_; |
| 78 base::TimeDelta timeout_; | 78 base::TimeDelta timeout_; |
| 79 volatile bool armed_; | 79 volatile bool armed_; |
| 80 GpuWatchdogTaskObserver task_observer_; | 80 GpuWatchdogTaskObserver task_observer_; |
| 81 | 81 |
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| 95 #endif | 95 #endif |
| 96 | 96 |
| 97 base::WeakPtrFactory<GpuWatchdogThread> weak_factory_; | 97 base::WeakPtrFactory<GpuWatchdogThread> weak_factory_; |
| 98 | 98 |
| 99 DISALLOW_COPY_AND_ASSIGN(GpuWatchdogThread); | 99 DISALLOW_COPY_AND_ASSIGN(GpuWatchdogThread); |
| 100 }; | 100 }; |
| 101 | 101 |
| 102 } // namespace content | 102 } // namespace content |
| 103 | 103 |
| 104 #endif // CONTENT_GPU_GPU_WATCHDOG_THREAD_H_ | 104 #endif // CONTENT_GPU_GPU_WATCHDOG_THREAD_H_ |
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