nearby: snapshot of cl/313536507

Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I8936b527079074d5c3af5531b9245063767cc4a7

cpp/platform/impl/shared/atomic_boolean_impl.h

@@ -0,0 +1,33 @@
+#ifndef PLATFORM_IMPL_SHARED_ATOMIC_BOOLEAN_IMPL_H_
+#define PLATFORM_IMPL_SHARED_ATOMIC_BOOLEAN_IMPL_H_
+
+#include <atomic>
+
+#include "platform/api/atomic_boolean.h"
+
+namespace location {
+namespace nearby {
+
+class AtomicBooleanImpl : public AtomicBoolean {
+ public:
+  explicit AtomicBooleanImpl(bool initial_value) : value_(initial_value) {}
+  ~AtomicBooleanImpl() override = default;
+
+  // AtomicBoolean:
+  bool get() override {
+    return value_.load();
+  }
+
+  // AtomicBoolean:
+  void set(bool value) override {
+    value_.store(value);
+  }
+
+ private:
+  std::atomic_bool value_;
+};
+
+}  // namespace nearby
+}  // namespace location
+
+#endif  // PLATFORM_IMPL_SHARED_ATOMIC_BOOLEAN_IMPL_H_