#ifndef BOOST_THREAD_FUTURE_ERROR_CODE_HPP

#define BOOST_THREAD_FUTURE_ERROR_CODE_HPP

#include <boost/thread/detail/config.hpp>

#include <boost/core/scoped_enum.hpp>

#include <boost/system/error_code.hpp>

#include <boost/type_traits/integral_constant.hpp>

namespace boost

{

//enum class future_errc

BOOST_SCOPED_ENUM_DECLARE_BEGIN(future_errc)

{

broken_promise = 1,

future_already_retrieved,

promise_already_satisfied,

no_state

}

BOOST_SCOPED_ENUM_DECLARE_END(future_errc)

namespace system

{

template <>

struct BOOST_SYMBOL_VISIBLE is_error_code_enum< ::boost::future_errc> : public true_type {};

#ifdef BOOST_NO_CXX11_SCOPED_ENUMS

template <>

struct BOOST_SYMBOL_VISIBLE is_error_code_enum< ::boost::future_errc::enum_type> : public true_type { };

#endif

} // system

BOOST_THREAD_DECL

const system::error_category& future_category() BOOST_NOEXCEPT;

namespace system

{

inline

error_code

make_error_code(future_errc e) BOOST_NOEXCEPT

{

return error_code(underlying_cast<int>(e), boost::future_category());

}

inline

error_condition

make_error_condition(future_errc e) BOOST_NOEXCEPT

{

return error_condition(underlying_cast<int>(e), boost::future_category());

}

} // system

} // boost

#endif // header