Add atomic serialization

tesseract_common/include/tesseract_common/atomic_serialization.h

@@ -0,0 +1,61 @@
+/**
+ * @file atomic_serialization.h
+ * @brief Additional Boost serialization wrappers
+ * @details Support for atomic serialization
+ *
+ * @author Levi Armstrong
+ * @date March 24, 2022
+ * @version TODO
+ * @bug No known bugs
+ *
+ * @copyright Copyright (c) 2022, Levi Armstrong
+ *
+ * @par License
+ * Software License Agreement (Apache License)
+ * @par
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * @par
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef TESSERACT_COMMON_ATOMIC_SERIALIZATION_H
+#define TESSERACT_COMMON_ATOMIC_SERIALIZATION_H
+
+#include <tesseract_common/macros.h>
+TESSERACT_COMMON_IGNORE_WARNINGS_PUSH
+#include <boost/serialization/serialization.hpp>
+#include <boost/serialization/split_free.hpp>
+#include <atomic>
+TESSERACT_COMMON_IGNORE_WARNINGS_POP
+
+/** @note When using this header only include it in the cpp never in the header */
+namespace boost::serialization
+{
+template <class Archive, class T>
+inline void save(Archive& ar, const std::atomic<T>& t, const unsigned int)
+{
+  const T value = t.load();
+  ar << value;
+}
+
+template <class Archive, class T>
+inline void load(Archive& ar, std::atomic<T>& t, const unsigned int)
+{
+  T value;
+  ar >> value;
+  t = value;
+}
+
+template <class Archive, class T>
+inline void serialize(Archive& ar, std::atomic<T>& t, const unsigned int file_version)
+{
+  boost::serialization::split_free(ar, t, file_version);
+}
+}  // namespace boost::serialization
+#endif  // TESSERACT_COMMON_ATOMIC_SERIALIZATION_H