1 files changed, 45 insertions, 0 deletions
diff --git a/lib/asio/detail/atomic_count.hpp b/lib/asio/detail/atomic_count.hpp
new file mode 100644
index 0000000..2bf75a5
--- /dev/null
+++ b/lib/asio/detail/atomic_count.hpp
@@ -0,0 +1,45 @@
+//
+// detail/atomic_count.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_ATOMIC_COUNT_HPP
+#define ASIO_DETAIL_ATOMIC_COUNT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if !defined(ASIO_HAS_THREADS)
+// Nothing to include.
+#elif defined(ASIO_HAS_STD_ATOMIC)
+# include <atomic>
+#else // defined(ASIO_HAS_STD_ATOMIC)
+# include <boost/detail/atomic_count.hpp>
+#endif // defined(ASIO_HAS_STD_ATOMIC)
+
+namespace asio {
+namespace detail {
+
+#if !defined(ASIO_HAS_THREADS)
+typedef long atomic_count;
+inline void increment(atomic_count& a, long b) { a += b; }
+#elif defined(ASIO_HAS_STD_ATOMIC)
+typedef std::atomic<long> atomic_count;
+inline void increment(atomic_count& a, long b) { a += b; }
+#else // defined(ASIO_HAS_STD_ATOMIC)
+typedef boost::detail::atomic_count atomic_count;
+inline void increment(atomic_count& a, long b) { while (b > 0) ++a, --b; }
+#endif // defined(ASIO_HAS_STD_ATOMIC)
+
+} // namespace detail
+} // namespace asio
+
+#endif // ASIO_DETAIL_ATOMIC_COUNT_HPP