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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 CHROME_COMMON_WORKER_THREAD_TICKER_H_ | 5 #ifndef CHROME_COMMON_WORKER_THREAD_TICKER_H_ |
6 #define CHROME_COMMON_WORKER_THREAD_TICKER_H_ | 6 #define CHROME_COMMON_WORKER_THREAD_TICKER_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
| 10 #include "base/macros.h" |
10 #include "base/synchronization/lock.h" | 11 #include "base/synchronization/lock.h" |
11 #include "base/threading/thread.h" | 12 #include "base/threading/thread.h" |
12 | 13 |
13 // This class provides the following functionality: | 14 // This class provides the following functionality: |
14 // It invokes a set of registered handlers at periodic intervals in | 15 // It invokes a set of registered handlers at periodic intervals in |
15 // the context of an arbitrary worker thread. | 16 // the context of an arbitrary worker thread. |
16 // The timer runs on a separate thread, so it will run even if the current | 17 // The timer runs on a separate thread, so it will run even if the current |
17 // thread is hung. Similarly, the callbacks will be called on a separate | 18 // thread is hung. Similarly, the callbacks will be called on a separate |
18 // thread so they won't block the main thread. | 19 // thread so they won't block the main thread. |
19 class WorkerThreadTicker { | 20 class WorkerThreadTicker { |
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77 // The interval at which the callbacks are to be invoked | 78 // The interval at which the callbacks are to be invoked |
78 base::TimeDelta tick_interval_; | 79 base::TimeDelta tick_interval_; |
79 | 80 |
80 // A list that holds all registered callback interfaces | 81 // A list that holds all registered callback interfaces |
81 TickHandlerListType tick_handler_list_; | 82 TickHandlerListType tick_handler_list_; |
82 | 83 |
83 DISALLOW_COPY_AND_ASSIGN(WorkerThreadTicker); | 84 DISALLOW_COPY_AND_ASSIGN(WorkerThreadTicker); |
84 }; | 85 }; |
85 | 86 |
86 #endif // CHROME_COMMON_WORKER_THREAD_TICKER_H_ | 87 #endif // CHROME_COMMON_WORKER_THREAD_TICKER_H_ |
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