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1 /* | 1 /* |
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_BASE_SIGNALTHREAD_H_ | 11 #ifndef WEBRTC_BASE_SIGNALTHREAD_H_ |
12 #define WEBRTC_BASE_SIGNALTHREAD_H_ | 12 #define WEBRTC_BASE_SIGNALTHREAD_H_ |
13 | 13 |
14 #include <string> | 14 #include <string> |
15 | 15 |
| 16 #include "webrtc/base/checks.h" |
16 #include "webrtc/base/constructormagic.h" | 17 #include "webrtc/base/constructormagic.h" |
17 #include "webrtc/base/nullsocketserver.h" | 18 #include "webrtc/base/nullsocketserver.h" |
18 #include "webrtc/base/sigslot.h" | 19 #include "webrtc/base/sigslot.h" |
19 #include "webrtc/base/thread.h" | 20 #include "webrtc/base/thread.h" |
20 | 21 |
21 namespace rtc { | 22 namespace rtc { |
22 | 23 |
23 /////////////////////////////////////////////////////////////////////////////// | 24 /////////////////////////////////////////////////////////////////////////////// |
24 // SignalThread - Base class for worker threads. The main thread should call | 25 // SignalThread - Base class for worker threads. The main thread should call |
25 // Start() to begin work, and then follow one of these models: | 26 // Start() to begin work, and then follow one of these models: |
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117 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(Worker); | 118 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(Worker); |
118 }; | 119 }; |
119 | 120 |
120 class SCOPED_LOCKABLE EnterExit { | 121 class SCOPED_LOCKABLE EnterExit { |
121 public: | 122 public: |
122 explicit EnterExit(SignalThread* t) EXCLUSIVE_LOCK_FUNCTION(t->cs_) | 123 explicit EnterExit(SignalThread* t) EXCLUSIVE_LOCK_FUNCTION(t->cs_) |
123 : t_(t) { | 124 : t_(t) { |
124 t_->cs_.Enter(); | 125 t_->cs_.Enter(); |
125 // If refcount_ is zero then the object has already been deleted and we | 126 // If refcount_ is zero then the object has already been deleted and we |
126 // will be double-deleting it in ~EnterExit()! (shouldn't happen) | 127 // will be double-deleting it in ~EnterExit()! (shouldn't happen) |
127 ASSERT(t_->refcount_ != 0); | 128 RTC_DCHECK(t_->refcount_ != 0); |
128 ++t_->refcount_; | 129 ++t_->refcount_; |
129 } | 130 } |
130 ~EnterExit() UNLOCK_FUNCTION() { | 131 ~EnterExit() UNLOCK_FUNCTION() { |
131 bool d = (0 == --t_->refcount_); | 132 bool d = (0 == --t_->refcount_); |
132 t_->cs_.Leave(); | 133 t_->cs_.Leave(); |
133 if (d) | 134 if (d) |
134 delete t_; | 135 delete t_; |
135 } | 136 } |
136 | 137 |
137 private: | 138 private: |
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150 int refcount_; | 151 int refcount_; |
151 | 152 |
152 RTC_DISALLOW_COPY_AND_ASSIGN(SignalThread); | 153 RTC_DISALLOW_COPY_AND_ASSIGN(SignalThread); |
153 }; | 154 }; |
154 | 155 |
155 /////////////////////////////////////////////////////////////////////////////// | 156 /////////////////////////////////////////////////////////////////////////////// |
156 | 157 |
157 } // namespace rtc | 158 } // namespace rtc |
158 | 159 |
159 #endif // WEBRTC_BASE_SIGNALTHREAD_H_ | 160 #endif // WEBRTC_BASE_SIGNALTHREAD_H_ |
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