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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 |
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44 int32_t return_value = __sync_fetch_and_sub(&value_, value); | 44 int32_t return_value = __sync_fetch_and_sub(&value_, value); |
45 return_value -= value; | 45 return_value -= value; |
46 return return_value; | 46 return return_value; |
47 } | 47 } |
48 | 48 |
49 bool Atomic32::CompareExchange(int32_t new_value, int32_t compare_value) { | 49 bool Atomic32::CompareExchange(int32_t new_value, int32_t compare_value) { |
50 return __sync_bool_compare_and_swap(&value_, compare_value, new_value); | 50 return __sync_bool_compare_and_swap(&value_, compare_value, new_value); |
51 } | 51 } |
52 | 52 |
53 } // namespace webrtc | 53 } // namespace webrtc |
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