isa0060/serio1/input1
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hN ? // -*- C++ -*-
// Copyright (C) 2009-2013 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// .
/** @file include/future
* This is a Standard C++ Library header.
*/
#ifndef _GLIBCXX_FUTURE
#define _GLIBCXX_FUTURE 1
#pragma GCC system_header
#if __cplusplus < 201103L
# include
#else
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
/**
* @defgroup futures Futures
* @ingroup concurrency
*
* Classes for futures support.
* @{
*/
/// Error code for futures
enum class future_errc
{
future_already_retrieved = 1,
promise_already_satisfied,
no_state,
broken_promise
};
/// Specialization.
template<>
struct is_error_code_enum : public true_type { };
/// Points to a statically-allocated object derived from error_category.
const error_category&
future_category() noexcept;
/// Overload for make_error_code.
inline error_code
make_error_code(future_errc __errc) noexcept
{ return error_code(static_cast(__errc), future_category()); }
/// Overload for make_error_condition.
inline error_condition
make_error_condition(future_errc __errc) noexcept
{ return error_condition(static_cast(__errc), future_category()); }
/**
* @brief Exception type thrown by futures.
* @ingroup exceptions
*/
class future_error : public logic_error
{
error_code _M_code;
public:
explicit future_error(error_code __ec)
: logic_error("std::future_error"), _M_code(__ec)
{ }
virtual ~future_error() noexcept;
virtual const char*
what() const noexcept;
const error_code&
code() const noexcept { return _M_code; }
};
// Forward declarations.
template
class future;
template
class shared_future;
template
class packaged_task;
template
class promise;
/// Launch code for futures
enum class launch
{
async = 1,
deferred = 2
};
constexpr launch operator&(launch __x, launch __y)
{
return static_cast(
static_cast(__x) & static_cast(__y));
}
constexpr launch operator|(launch __x, launch __y)
{
return static_cast(
static_cast(__x) |