Squashed 'third_party/boostorg/atomic/' content from commit 19eecf8
Change-Id: I4723a39ab79969b4c0d7b7e67a4143c4e02992ed
git-subtree-dir: third_party/boostorg/atomic
git-subtree-split: 19eecf893c665410de63ab6ebb8549f405703e80
diff --git a/include/boost/atomic/detail/lockpool.hpp b/include/boost/atomic/detail/lockpool.hpp
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+/*
+ * 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)
+ *
+ * Copyright (c) 2011 Helge Bahmann
+ * Copyright (c) 2013-2014 Andrey Semashev
+ */
+/*!
+ * \file atomic/detail/lockpool.hpp
+ *
+ * This header contains declaration of the lockpool used to emulate atomic ops.
+ */
+
+#ifndef BOOST_ATOMIC_DETAIL_LOCKPOOL_HPP_INCLUDED_
+#define BOOST_ATOMIC_DETAIL_LOCKPOOL_HPP_INCLUDED_
+
+#include <boost/atomic/detail/config.hpp>
+#include <boost/atomic/detail/link.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+namespace boost {
+namespace atomics {
+namespace detail {
+
+struct lockpool
+{
+ class scoped_lock
+ {
+ void* m_lock;
+
+ public:
+ explicit BOOST_ATOMIC_DECL scoped_lock(const volatile void* addr) BOOST_NOEXCEPT;
+ BOOST_ATOMIC_DECL ~scoped_lock() BOOST_NOEXCEPT;
+
+ BOOST_DELETED_FUNCTION(scoped_lock(scoped_lock const&))
+ BOOST_DELETED_FUNCTION(scoped_lock& operator=(scoped_lock const&))
+ };
+
+ static BOOST_ATOMIC_DECL void thread_fence() BOOST_NOEXCEPT;
+ static BOOST_ATOMIC_DECL void signal_fence() BOOST_NOEXCEPT;
+};
+
+} // namespace detail
+} // namespace atomics
+} // namespace boost
+
+#endif // BOOST_ATOMIC_DETAIL_LOCKPOOL_HPP_INCLUDED_