85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
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/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "atomic32_wrapper.h"
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#if defined(_WIN32)
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#include "atomic32_windows.h"
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#elif defined(WEBRTC_LINUX)
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#include "atomic32_linux.h"
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#elif defined(WEBRTC_MAC)
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#include "atomic32_mac.h"
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#else
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#error unsupported os!
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#endif
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namespace webrtc {
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Atomic32Wrapper::Atomic32Wrapper(WebRtc_Word32 initialValue)
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: _impl(*new Atomic32Impl(initialValue))
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{
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}
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Atomic32Wrapper::~Atomic32Wrapper()
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{
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delete &_impl;
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}
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WebRtc_Word32 Atomic32Wrapper::operator++()
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{
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return ++_impl;
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}
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WebRtc_Word32 Atomic32Wrapper::operator--()
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{
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return --_impl;
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}
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// Read and write to properly aligned variables are atomic operations.
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// Ex reference (for Windows): http://msdn.microsoft.com/en-us/library/ms684122(v=VS.85).aspx
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// TODO (hellner) operator= and Atomic32Wrapper::Value() can be fully
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// implemented here.
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Atomic32Wrapper& Atomic32Wrapper::operator=(const Atomic32Wrapper& rhs)
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{
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if(this == &rhs)
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{
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return *this;
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}
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_impl = rhs._impl;
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return *this;
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}
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Atomic32Wrapper& Atomic32Wrapper::operator=(WebRtc_Word32 rhs)
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{
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_impl = rhs;
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return *this;
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}
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WebRtc_Word32 Atomic32Wrapper::operator+=(WebRtc_Word32 rhs)
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{
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return _impl += rhs;
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}
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WebRtc_Word32 Atomic32Wrapper::operator-=(WebRtc_Word32 rhs)
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{
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return _impl -= rhs;
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}
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bool Atomic32Wrapper::CompareExchange(WebRtc_Word32 newValue,
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WebRtc_Word32 compareValue)
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{
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return _impl.CompareExchange(newValue,compareValue);
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}
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WebRtc_Word32 Atomic32Wrapper::Value() const
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{
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return _impl.Value();
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}
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} // namespace webrtc
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