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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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/interface/atomic32.h" | 11 #include "webrtc/system_wrappers/include/atomic32.h" |
12 | 12 |
13 #include <assert.h> | 13 #include <assert.h> |
14 #include <windows.h> | 14 #include <windows.h> |
15 | 15 |
16 #include "webrtc/common_types.h" | 16 #include "webrtc/common_types.h" |
17 | 17 |
18 namespace webrtc { | 18 namespace webrtc { |
19 | 19 |
20 Atomic32::Atomic32(int32_t initial_value) | 20 Atomic32::Atomic32(int32_t initial_value) |
21 : value_(initial_value) { | 21 : value_(initial_value) { |
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51 const LONG old_value = InterlockedCompareExchange( | 51 const LONG old_value = InterlockedCompareExchange( |
52 reinterpret_cast<volatile LONG*>(&value_), | 52 reinterpret_cast<volatile LONG*>(&value_), |
53 new_value, | 53 new_value, |
54 compare_value); | 54 compare_value); |
55 | 55 |
56 // If the old value and the compare value is the same an exchange happened. | 56 // If the old value and the compare value is the same an exchange happened. |
57 return (old_value == compare_value); | 57 return (old_value == compare_value); |
58 } | 58 } |
59 | 59 |
60 } // namespace webrtc | 60 } // namespace webrtc |
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