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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 BASE_WAITABLE_EVENT_WATCHER_H_ | 5 #ifndef BASE_WAITABLE_EVENT_WATCHER_H_ |
6 #define BASE_WAITABLE_EVENT_WATCHER_H_ | 6 #define BASE_WAITABLE_EVENT_WATCHER_H_ |
7 | 7 |
8 #include "build/build_config.h" | 8 #include "build/build_config.h" |
9 | 9 |
10 #if defined(OS_WIN) | 10 #if defined(OS_WIN) |
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48 // pointer. | 48 // pointer. |
49 // | 49 // |
50 // BEWARE: With automatically reset WaitableEvents, a signal may be lost if it | 50 // BEWARE: With automatically reset WaitableEvents, a signal may be lost if it |
51 // occurs just before a WaitableEventWatcher is deleted. There is currently no | 51 // occurs just before a WaitableEventWatcher is deleted. There is currently no |
52 // safe way to stop watching an automatic reset WaitableEvent without possibly | 52 // safe way to stop watching an automatic reset WaitableEvent without possibly |
53 // missing a signal. | 53 // missing a signal. |
54 // ----------------------------------------------------------------------------- | 54 // ----------------------------------------------------------------------------- |
55 | 55 |
56 class WaitableEventWatcher | 56 class WaitableEventWatcher |
57 #if defined(OS_POSIX) | 57 #if defined(OS_POSIX) |
58 : public MessageLoop::DestructionObserver | 58 » : public MessageLoop::DestructionObserver |
59 #endif | 59 #endif |
60 { | 60 { |
61 public: | 61 public: |
62 | 62 |
63 WaitableEventWatcher(); | 63 WaitableEventWatcher(); |
64 ~WaitableEventWatcher(); | 64 ~WaitableEventWatcher(); |
65 | 65 |
66 class Delegate { | 66 class Delegate { |
67 public: | 67 public: |
68 virtual ~Delegate() { } | 68 virtual ~Delegate() { } |
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139 MessageLoop* message_loop_; | 139 MessageLoop* message_loop_; |
140 scoped_refptr<Flag> cancel_flag_; | 140 scoped_refptr<Flag> cancel_flag_; |
141 AsyncWaiter* waiter_; | 141 AsyncWaiter* waiter_; |
142 AsyncCallbackTask* callback_task_; | 142 AsyncCallbackTask* callback_task_; |
143 #endif | 143 #endif |
144 }; | 144 }; |
145 | 145 |
146 } // namespace base | 146 } // namespace base |
147 | 147 |
148 #endif // BASE_WAITABLE_EVENT_WATCHER_H_ | 148 #endif // BASE_WAITABLE_EVENT_WATCHER_H_ |
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