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+// (C) Copyright 2008-10 Anthony Williams
+// (C) Copyright 2011-2015 Vicente J. Botet Escriba
+//
+// 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 BOOST_THREAD_FUTURES_LAUNCH_HPP
+#define BOOST_THREAD_FUTURES_LAUNCH_HPP
+
+#include <boost/thread/detail/config.hpp>
+#include <boost/core/scoped_enum.hpp>
+
+namespace boost
+{
+ //enum class launch
+ BOOST_SCOPED_ENUM_DECLARE_BEGIN(launch)
+ {
+ none = 0,
+ async = 1,
+ deferred = 2,
+#ifdef BOOST_THREAD_PROVIDES_EXECUTORS
+ executor = 4,
+#endif
+ any = async | deferred
+ }
+ BOOST_SCOPED_ENUM_DECLARE_END(launch)
+}
+
+#endif // header