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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-08-13 10:29:39 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-08-13 10:29:39 +0200
commita5c50a4f262f0a880734623f79d4dc2f1aa8a0a2 (patch)
tree1772ef47d98a68245c3d04d95637e5b9c1040904 /lib/asio/experimental/co_spawn.hpp
parent69aba72f0883c5effb5c3c2991d0c5257deb7409 (diff)
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Pull in files from odr-mmbtools-common
Replace ASIO by simpler implementation, meaning that the telnet RC now only supports a single connection. Move Log, RC to lib/
Diffstat (limited to 'lib/asio/experimental/co_spawn.hpp')
-rw-r--r--lib/asio/experimental/co_spawn.hpp226
1 files changed, 0 insertions, 226 deletions
diff --git a/lib/asio/experimental/co_spawn.hpp b/lib/asio/experimental/co_spawn.hpp
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@@ -1,226 +0,0 @@
-//
-// experimental/co_spawn.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_EXPERIMENTAL_CO_SPAWN_HPP
-#define ASIO_EXPERIMENTAL_CO_SPAWN_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_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
-
-#include <experimental/coroutine>
-#include "asio/executor.hpp"
-#include "asio/strand.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace experimental {
-namespace detail {
-
-using std::experimental::coroutine_handle;
-
-template <typename> class awaiter;
-template <typename> class awaitee_base;
-template <typename, typename> class awaitee;
-template <typename, typename> class await_handler_base;
-template <typename Executor, typename F, typename CompletionToken>
-auto co_spawn(const Executor& ex, F&& f, CompletionToken&& token);
-
-} // namespace detail
-
-namespace this_coro {
-
-/// Awaitable type that returns a completion token for the current coroutine.
-struct token_t {};
-
-/// Awaitable object that returns a completion token for the current coroutine.
-constexpr inline token_t token() { return {}; }
-
-/// Awaitable type that returns the executor of the current coroutine.
-struct executor_t {};
-
-/// Awaitable object that returns the executor of the current coroutine.
-constexpr inline executor_t executor() { return {}; }
-
-} // namespace this_coro
-
-/// A completion token that represents the currently executing coroutine.
-/**
- * The await_token class is used to represent the currently executing
- * coroutine. An await_token may be passed as a handler to an asynchronous
- * operation. For example:
- *
- * @code awaitable<void> my_coroutine()
- * {
- * await_token token = co_await this_coro::token();
- * ...
- * std::size_t n = co_await my_socket.async_read_some(buffer, token);
- * ...
- * } @endcode
- *
- * The initiating function (async_read_some in the above example) suspends the
- * current coroutine. The coroutine is resumed when the asynchronous operation
- * completes, and the result of the operation is returned.
- */
-template <typename Executor>
-class await_token
-{
-public:
- /// The associated executor type.
- typedef Executor executor_type;
-
- /// Copy constructor.
- await_token(const await_token& other) noexcept
- : awaiter_(other.awaiter_)
- {
- }
-
- /// Move constructor.
- await_token(await_token&& other) noexcept
- : awaiter_(std::exchange(other.awaiter_, nullptr))
- {
- }
-
- /// Get the associated executor.
- executor_type get_executor() const noexcept
- {
- return awaiter_->get_executor();
- }
-
-private:
- // No assignment allowed.
- await_token& operator=(const await_token&) = delete;
-
- template <typename> friend class detail::awaitee_base;
- template <typename, typename> friend class detail::await_handler_base;
-
- // Private constructor used by awaitee_base.
- explicit await_token(detail::awaiter<Executor>* a)
- : awaiter_(a)
- {
- }
-
- detail::awaiter<Executor>* awaiter_;
-};
-
-/// The return type of a coroutine or asynchronous operation.
-template <typename T, typename Executor = strand<executor>>
-class awaitable
-{
-public:
- /// The type of the awaited value.
- typedef T value_type;
-
- /// The executor type that will be used for the coroutine.
- typedef Executor executor_type;
-
- /// Move constructor.
- awaitable(awaitable&& other) noexcept
- : awaitee_(std::exchange(other.awaitee_, nullptr))
- {
- }
-
- /// Destructor
- ~awaitable()
- {
- if (awaitee_)
- {
- detail::coroutine_handle<
- detail::awaitee<T, Executor>>::from_promise(
- *awaitee_).destroy();
- }
- }
-
-#if !defined(GENERATING_DOCUMENTATION)
-
- // Support for co_await keyword.
- bool await_ready() const noexcept
- {
- return awaitee_->ready();
- }
-
- // Support for co_await keyword.
- void await_suspend(detail::coroutine_handle<detail::awaiter<Executor>> h)
- {
- awaitee_->attach_caller(h);
- }
-
- // Support for co_await keyword.
- template <class U>
- void await_suspend(detail::coroutine_handle<detail::awaitee<U, Executor>> h)
- {
- awaitee_->attach_caller(h);
- }
-
- // Support for co_await keyword.
- T await_resume()
- {
- return awaitee_->get();
- }
-
-#endif // !defined(GENERATING_DOCUMENTATION)
-
-private:
- template <typename, typename> friend class detail::awaitee;
- template <typename, typename> friend class detail::await_handler_base;
-
- // Not copy constructible or copy assignable.
- awaitable(const awaitable&) = delete;
- awaitable& operator=(const awaitable&) = delete;
-
- // Construct the awaitable from a coroutine's promise object.
- explicit awaitable(detail::awaitee<T, Executor>* a) : awaitee_(a) {}
-
- detail::awaitee<T, Executor>* awaitee_;
-};
-
-/// Spawn a new thread of execution.
-template <typename Executor, typename F, typename CompletionToken,
- typename = typename enable_if<is_executor<Executor>::value>::type>
-inline auto co_spawn(const Executor& ex, F&& f, CompletionToken&& token)
-{
- return detail::co_spawn(ex, std::forward<F>(f),
- std::forward<CompletionToken>(token));
-}
-
-/// Spawn a new thread of execution.
-template <typename ExecutionContext, typename F, typename CompletionToken,
- typename = typename enable_if<
- is_convertible<ExecutionContext&, execution_context&>::value>::type>
-inline auto co_spawn(ExecutionContext& ctx, F&& f, CompletionToken&& token)
-{
- return detail::co_spawn(ctx.get_executor(), std::forward<F>(f),
- std::forward<CompletionToken>(token));
-}
-
-/// Spawn a new thread of execution.
-template <typename Executor, typename F, typename CompletionToken>
-inline auto co_spawn(const await_token<Executor>& parent,
- F&& f, CompletionToken&& token)
-{
- return detail::co_spawn(parent.get_executor(), std::forward<F>(f),
- std::forward<CompletionToken>(token));
-}
-
-} // namespace experimental
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#include "asio/experimental/impl/co_spawn.hpp"
-
-#endif // defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
-
-#endif // ASIO_EXPERIMENTAL_CO_SPAWN_HPP