整理

include/boost/smart_ptr/detail/spinlock.hpp

@@ -0,0 +1,44 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//
+//  boost/detail/spinlock.hpp
+//
+//  Copyright (c) 2008 Peter Dimov
+//
+//  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)
+//
+//  struct spinlock
+//  {
+//      void lock();
+//      bool try_lock();
+//      void unlock();
+//
+//      class scoped_lock;
+//  };
+//
+//  #define BOOST_DETAIL_SPINLOCK_INIT <unspecified>
+//
+
+#include <boost/smart_ptr/detail/deprecated_macros.hpp>
+
+#if defined(__clang__)
+
+// Old Clang versions have trouble with ATOMIC_FLAG_INIT
+# include <boost/smart_ptr/detail/spinlock_gcc_atomic.hpp>
+
+#else
+
+# include <boost/smart_ptr/detail/spinlock_std_atomic.hpp>
+
+#endif
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED