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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
commit0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d (patch)
treea71d934d8151dd43e7c16555fef17fd749c5da70 /lib/asio/packaged_task.hpp
parent558d74bffd9f069955af52c0b308a1d6169bcff0 (diff)
parent0330221d51421caa110b8c5dcb567cc3d0620eb9 (diff)
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Merge lime output into next branch
Diffstat (limited to 'lib/asio/packaged_task.hpp')
-rw-r--r--lib/asio/packaged_task.hpp126
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diff --git a/lib/asio/packaged_task.hpp b/lib/asio/packaged_task.hpp
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@@ -1,126 +0,0 @@
-//
-// packaged_task.hpp
-// ~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// 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 ASIO_PACKAGED_TASK_HPP
-#define ASIO_PACKAGED_TASK_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_HAS_STD_FUTURE) \
- || defined(GENERATING_DOCUMENTATION)
-
-#include <future>
-#include "asio/async_result.hpp"
-#include "asio/detail/type_traits.hpp"
-#include "asio/detail/variadic_templates.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-#if defined(ASIO_HAS_VARIADIC_TEMPLATES) \
- || defined(GENERATING_DOCUMENTATION)
-
-/// Partial specialisation of @c async_result for @c std::packaged_task.
-template <typename Result, typename... Args, typename Signature>
-class async_result<std::packaged_task<Result(Args...)>, Signature>
-{
-public:
- /// The packaged task is the concrete completion handler type.
- typedef std::packaged_task<Result(Args...)> completion_handler_type;
-
- /// The return type of the initiating function is the future obtained from
- /// the packaged task.
- typedef std::future<Result> return_type;
-
- /// The constructor extracts the future from the packaged task.
- explicit async_result(completion_handler_type& h)
- : future_(h.get_future())
- {
- }
-
- /// Returns the packaged task's future.
- return_type get()
- {
- return std::move(future_);
- }
-
-private:
- return_type future_;
-};
-
-#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
- // || defined(GENERATING_DOCUMENTATION)
-
-template <typename Result, typename Signature>
-struct async_result<std::packaged_task<Result()>, Signature>
-{
- typedef std::packaged_task<Result()> completion_handler_type;
- typedef std::future<Result> return_type;
-
- explicit async_result(completion_handler_type& h)
- : future_(h.get_future())
- {
- }
-
- return_type get()
- {
- return std::move(future_);
- }
-
-private:
- return_type future_;
-};
-
-#define ASIO_PRIVATE_ASYNC_RESULT_DEF(n) \
- template <typename Result, \
- ASIO_VARIADIC_TPARAMS(n), typename Signature> \
- class async_result< \
- std::packaged_task<Result(ASIO_VARIADIC_TARGS(n))>, Signature> \
- { \
- public: \
- typedef std::packaged_task< \
- Result(ASIO_VARIADIC_TARGS(n))> \
- completion_handler_type; \
- \
- typedef std::future<Result> return_type; \
- \
- explicit async_result(completion_handler_type& h) \
- : future_(h.get_future()) \
- { \
- } \
- \
- return_type get() \
- { \
- return std::move(future_); \
- } \
- \
- private: \
- return_type future_; \
- }; \
- /**/
- ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_ASYNC_RESULT_DEF)
-#undef ASIO_PRIVATE_ASYNC_RESULT_DEF
-
-#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
- // || defined(GENERATING_DOCUMENTATION)
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_STD_FUTURE)
- // || defined(GENERATING_DOCUMENTATION)
-
-#endif // ASIO_PACKAGED_TASK_HPP