1 files changed, 84 insertions, 0 deletions
diff --git a/src/system_wrappers/source/atomic32.cc b/src/system_wrappers/source/atomic32.cc
new file mode 100644
index 0000000000..3d6849ef25
--- /dev/null
+++ b/src/system_wrappers/source/atomic32.cc
@@ -0,0 +1,84 @@
+/*
+ *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "atomic32_wrapper.h"
+
+#if defined(_WIN32)
+    #include "atomic32_windows.h"
+#elif defined(WEBRTC_LINUX)
+    #include "atomic32_linux.h"
+#elif defined(WEBRTC_MAC)
+    #include "atomic32_mac.h"
+#else
+    #error unsupported os!
+#endif
+
+namespace webrtc {
+Atomic32Wrapper::Atomic32Wrapper(WebRtc_Word32 initialValue)
+    : _impl(*new Atomic32Impl(initialValue))
+{
+}
+
+Atomic32Wrapper::~Atomic32Wrapper()
+{
+    delete &_impl;
+}
+
+WebRtc_Word32 Atomic32Wrapper::operator++()
+{
+    return ++_impl;
+}
+
+WebRtc_Word32 Atomic32Wrapper::operator--()
+{
+    return --_impl;
+}
+
+// Read and write to properly aligned variables are atomic operations.
+// Ex reference (for Windows): http://msdn.microsoft.com/en-us/library/ms684122(v=VS.85).aspx
+// TODO (hellner) operator= and Atomic32Wrapper::Value() can be fully
+// implemented here.
+Atomic32Wrapper& Atomic32Wrapper::operator=(const Atomic32Wrapper& rhs)
+{
+    if(this == &rhs)
+    {
+        return *this;
+    }
+    _impl = rhs._impl;
+    return *this;
+}
+
+Atomic32Wrapper& Atomic32Wrapper::operator=(WebRtc_Word32 rhs)
+{
+    _impl = rhs;
+    return *this;
+}
+
+WebRtc_Word32 Atomic32Wrapper::operator+=(WebRtc_Word32 rhs)
+{
+    return _impl += rhs;
+}
+
+WebRtc_Word32 Atomic32Wrapper::operator-=(WebRtc_Word32 rhs)
+{
+    return _impl -= rhs;
+}
+
+bool Atomic32Wrapper::CompareExchange(WebRtc_Word32 newValue,
+                                      WebRtc_Word32 compareValue)
+{
+    return _impl.CompareExchange(newValue,compareValue);
+}
+
+WebRtc_Word32 Atomic32Wrapper::Value() const
+{
+    return _impl.Value();
+}
+} // namespace webrtc