1 files changed, 47 insertions, 0 deletions
diff --git a/third_party/libwebrtc/webrtc/system_wrappers/source/atomic32.cc b/third_party/libwebrtc/webrtc/system_wrappers/source/atomic32.cc
new file mode 100644
index 0000000000..581c13e0c3
--- /dev/null
+++ b/third_party/libwebrtc/webrtc/system_wrappers/source/atomic32.cc
@@ -0,0 +1,47 @@
+/*
+ *  Copyright (c) 2017 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 "system_wrappers/include/atomic32.h"
+
+#include <assert.h>
+
+#include "common_types.h"  // NOLINT(build/include)
+
+namespace webrtc {
+
+Atomic32::Atomic32(int32_t initial_value) : value_(initial_value) {}
+
+Atomic32::~Atomic32() {}
+
+int32_t Atomic32::operator++() {
+  return ++value_;
+}
+
+int32_t Atomic32::operator--() {
+  return --value_;
+}
+
+int32_t Atomic32::operator+=(int32_t value) {
+  return value_ += value;
+}
+
+int32_t Atomic32::operator-=(int32_t value) {
+  return value_ -= value;
+}
+
+bool Atomic32::CompareExchange(int32_t new_value, int32_t compare_value) {
+  return value_.compare_exchange_strong(compare_value, new_value);
+}
+
+int32_t Atomic32::Value() const {
+  return value_.load();
+}
+
+}  // namespace webrtc