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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 // Atomic, system independent 32-bit integer. Unless you know what you're | 11 // Atomic, system independent 32-bit integer. Unless you know what you're |
| 12 // doing, use locks instead! :-) | 12 // doing, use locks instead! :-) |
| 13 // | 13 // |
| 14 // Note: assumes 32-bit (or higher) system | 14 // Note: assumes 32-bit (or higher) system |
| 15 #ifndef WEBRTC_SYSTEM_WRAPPERS_INCLUDE_ATOMIC32_H_ | 15 #ifndef WEBRTC_SYSTEM_WRAPPERS_INCLUDE_ATOMIC32_H_ |
| 16 #define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_ATOMIC32_H_ | 16 #define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_ATOMIC32_H_ |
| 17 | 17 |
| 18 #include <stddef.h> | 18 #include <stddef.h> |
| 19 | 19 |
| 20 #include "webrtc/base/constructormagic.h" | |
| 21 #include "webrtc/common_types.h" | 20 #include "webrtc/common_types.h" |
| 21 #include "webrtc/rtc_base/constructormagic.h" |
| 22 | 22 |
| 23 namespace webrtc { | 23 namespace webrtc { |
| 24 | 24 |
| 25 // 32 bit atomic variable. Note that this class relies on the compiler to | 25 // 32 bit atomic variable. Note that this class relies on the compiler to |
| 26 // align the 32 bit value correctly (on a 32 bit boundary), so as long as you're | 26 // align the 32 bit value correctly (on a 32 bit boundary), so as long as you're |
| 27 // not doing things like reinterpret_cast over some custom allocated memory | 27 // not doing things like reinterpret_cast over some custom allocated memory |
| 28 // without being careful with alignment, you should be fine. | 28 // without being careful with alignment, you should be fine. |
| 29 class Atomic32 { | 29 class Atomic32 { |
| 30 public: | 30 public: |
| 31 Atomic32(int32_t initial_value = 0); | 31 Atomic32(int32_t initial_value = 0); |
| (...skipping 25 matching lines...) Expand all Loading... |
| 57 } | 57 } |
| 58 | 58 |
| 59 RTC_DISALLOW_COPY_AND_ASSIGN(Atomic32); | 59 RTC_DISALLOW_COPY_AND_ASSIGN(Atomic32); |
| 60 | 60 |
| 61 int32_t value_; | 61 int32_t value_; |
| 62 }; | 62 }; |
| 63 | 63 |
| 64 } // namespace webrtc | 64 } // namespace webrtc |
| 65 | 65 |
| 66 #endif // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_ATOMIC32_H_ | 66 #endif // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_ATOMIC32_H_ |
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