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1 /* | 1 /* |
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2011 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 #include "webrtc/system_wrappers/source/rw_lock_generic.h" | 11 #include "webrtc/system_wrappers/source/rw_lock_generic.h" |
12 | 12 |
13 #include "webrtc/system_wrappers/interface/condition_variable_wrapper.h" | 13 #include "webrtc/system_wrappers/include/condition_variable_wrapper.h" |
14 #include "webrtc/system_wrappers/interface/critical_section_wrapper.h" | 14 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" |
15 | 15 |
16 namespace webrtc { | 16 namespace webrtc { |
17 | 17 |
18 RWLockGeneric::RWLockGeneric() | 18 RWLockGeneric::RWLockGeneric() |
19 : readers_active_(0), | 19 : readers_active_(0), |
20 writer_active_(false), | 20 writer_active_(false), |
21 readers_waiting_(0), | 21 readers_waiting_(0), |
22 writers_waiting_(0) { | 22 writers_waiting_(0) { |
23 critical_section_ = CriticalSectionWrapper::CreateCriticalSection(); | 23 critical_section_ = CriticalSectionWrapper::CreateCriticalSection(); |
24 read_condition_ = ConditionVariableWrapper::CreateConditionVariable(); | 24 read_condition_ = ConditionVariableWrapper::CreateConditionVariable(); |
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68 | 68 |
69 void RWLockGeneric::ReleaseLockShared() { | 69 void RWLockGeneric::ReleaseLockShared() { |
70 CriticalSectionScoped cs(critical_section_); | 70 CriticalSectionScoped cs(critical_section_); |
71 --readers_active_; | 71 --readers_active_; |
72 if (readers_active_ == 0 && writers_waiting_ > 0) { | 72 if (readers_active_ == 0 && writers_waiting_ > 0) { |
73 write_condition_->Wake(); | 73 write_condition_->Wake(); |
74 } | 74 } |
75 } | 75 } |
76 | 76 |
77 } // namespace webrtc | 77 } // namespace webrtc |
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