| // |
| // impl/compose.hpp |
| // ~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2021 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_IMPL_COMPOSE_HPP |
| #define ASIO_IMPL_COMPOSE_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/config.hpp" |
| #include "asio/associated_executor.hpp" |
| #include "asio/detail/handler_alloc_helpers.hpp" |
| #include "asio/detail/handler_cont_helpers.hpp" |
| #include "asio/detail/handler_invoke_helpers.hpp" |
| #include "asio/detail/type_traits.hpp" |
| #include "asio/detail/variadic_templates.hpp" |
| #include "asio/execution/executor.hpp" |
| #include "asio/execution/outstanding_work.hpp" |
| #include "asio/executor_work_guard.hpp" |
| #include "asio/is_executor.hpp" |
| #include "asio/system_executor.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| |
| namespace detail |
| { |
| template <typename Executor, typename = void> |
| class composed_work_guard |
| { |
| public: |
| typedef typename decay< |
| typename prefer_result<Executor, |
| execution::outstanding_work_t::tracked_t |
| >::type |
| >::type executor_type; |
| |
| composed_work_guard(const Executor& ex) |
| : executor_(asio::prefer(ex, execution::outstanding_work.tracked)) |
| { |
| } |
| |
| void reset() |
| { |
| } |
| |
| executor_type get_executor() const ASIO_NOEXCEPT |
| { |
| return executor_; |
| } |
| |
| private: |
| executor_type executor_; |
| }; |
| |
| #if !defined(ASIO_NO_TS_EXECUTORS) |
| |
| template <typename Executor> |
| struct composed_work_guard<Executor, |
| typename enable_if< |
| !execution::is_executor<Executor>::value |
| >::type> : executor_work_guard<Executor> |
| { |
| composed_work_guard(const Executor& ex) |
| : executor_work_guard<Executor>(ex) |
| { |
| } |
| }; |
| |
| #endif // !defined(ASIO_NO_TS_EXECUTORS) |
| |
| template <typename> |
| struct composed_io_executors; |
| |
| template <> |
| struct composed_io_executors<void()> |
| { |
| composed_io_executors() ASIO_NOEXCEPT |
| : head_(system_executor()) |
| { |
| } |
| |
| typedef system_executor head_type; |
| system_executor head_; |
| }; |
| |
| inline composed_io_executors<void()> make_composed_io_executors() |
| { |
| return composed_io_executors<void()>(); |
| } |
| |
| template <typename Head> |
| struct composed_io_executors<void(Head)> |
| { |
| explicit composed_io_executors(const Head& ex) ASIO_NOEXCEPT |
| : head_(ex) |
| { |
| } |
| |
| typedef Head head_type; |
| Head head_; |
| }; |
| |
| template <typename Head> |
| inline composed_io_executors<void(Head)> |
| make_composed_io_executors(const Head& head) |
| { |
| return composed_io_executors<void(Head)>(head); |
| } |
| |
| #if defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| |
| template <typename Head, typename... Tail> |
| struct composed_io_executors<void(Head, Tail...)> |
| { |
| explicit composed_io_executors(const Head& head, |
| const Tail&... tail) ASIO_NOEXCEPT |
| : head_(head), |
| tail_(tail...) |
| { |
| } |
| |
| void reset() |
| { |
| head_.reset(); |
| tail_.reset(); |
| } |
| |
| typedef Head head_type; |
| Head head_; |
| composed_io_executors<void(Tail...)> tail_; |
| }; |
| |
| template <typename Head, typename... Tail> |
| inline composed_io_executors<void(Head, Tail...)> |
| make_composed_io_executors(const Head& head, const Tail&... tail) |
| { |
| return composed_io_executors<void(Head, Tail...)>(head, tail...); |
| } |
| |
| #else // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| |
| #define ASIO_PRIVATE_COMPOSED_IO_EXECUTORS_DEF(n) \ |
| template <typename Head, ASIO_VARIADIC_TPARAMS(n)> \ |
| struct composed_io_executors<void(Head, ASIO_VARIADIC_TARGS(n))> \ |
| { \ |
| explicit composed_io_executors(const Head& head, \ |
| ASIO_VARIADIC_CONSTREF_PARAMS(n)) ASIO_NOEXCEPT \ |
| : head_(head), \ |
| tail_(ASIO_VARIADIC_BYVAL_ARGS(n)) \ |
| { \ |
| } \ |
| \ |
| void reset() \ |
| { \ |
| head_.reset(); \ |
| tail_.reset(); \ |
| } \ |
| \ |
| typedef Head head_type; \ |
| Head head_; \ |
| composed_io_executors<void(ASIO_VARIADIC_TARGS(n))> tail_; \ |
| }; \ |
| \ |
| template <typename Head, ASIO_VARIADIC_TPARAMS(n)> \ |
| inline composed_io_executors<void(Head, ASIO_VARIADIC_TARGS(n))> \ |
| make_composed_io_executors(const Head& head, \ |
| ASIO_VARIADIC_CONSTREF_PARAMS(n)) \ |
| { \ |
| return composed_io_executors< \ |
| void(Head, ASIO_VARIADIC_TARGS(n))>( \ |
| head, ASIO_VARIADIC_BYVAL_ARGS(n)); \ |
| } \ |
| /**/ |
| ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_COMPOSED_IO_EXECUTORS_DEF) |
| #undef ASIO_PRIVATE_COMPOSED_IO_EXECUTORS_DEF |
| |
| #endif // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| |
| template <typename> |
| struct composed_work; |
| |
| template <> |
| struct composed_work<void()> |
| { |
| typedef composed_io_executors<void()> executors_type; |
| |
| composed_work(const executors_type&) ASIO_NOEXCEPT |
| : head_(system_executor()) |
| { |
| } |
| |
| void reset() |
| { |
| head_.reset(); |
| } |
| |
| typedef system_executor head_type; |
| composed_work_guard<system_executor> head_; |
| }; |
| |
| template <typename Head> |
| struct composed_work<void(Head)> |
| { |
| typedef composed_io_executors<void(Head)> executors_type; |
| |
| explicit composed_work(const executors_type& ex) ASIO_NOEXCEPT |
| : head_(ex.head_) |
| { |
| } |
| |
| void reset() |
| { |
| head_.reset(); |
| } |
| |
| typedef Head head_type; |
| composed_work_guard<Head> head_; |
| }; |
| |
| #if defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| |
| template <typename Head, typename... Tail> |
| struct composed_work<void(Head, Tail...)> |
| { |
| typedef composed_io_executors<void(Head, Tail...)> executors_type; |
| |
| explicit composed_work(const executors_type& ex) ASIO_NOEXCEPT |
| : head_(ex.head_), |
| tail_(ex.tail_) |
| { |
| } |
| |
| void reset() |
| { |
| head_.reset(); |
| tail_.reset(); |
| } |
| |
| typedef Head head_type; |
| composed_work_guard<Head> head_; |
| composed_work<void(Tail...)> tail_; |
| }; |
| |
| #else // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| |
| #define ASIO_PRIVATE_COMPOSED_WORK_DEF(n) \ |
| template <typename Head, ASIO_VARIADIC_TPARAMS(n)> \ |
| struct composed_work<void(Head, ASIO_VARIADIC_TARGS(n))> \ |
| { \ |
| typedef composed_io_executors<void(Head, \ |
| ASIO_VARIADIC_TARGS(n))> executors_type; \ |
| \ |
| explicit composed_work(const executors_type& ex) ASIO_NOEXCEPT \ |
| : head_(ex.head_), \ |
| tail_(ex.tail_) \ |
| { \ |
| } \ |
| \ |
| void reset() \ |
| { \ |
| head_.reset(); \ |
| tail_.reset(); \ |
| } \ |
| \ |
| typedef Head head_type; \ |
| composed_work_guard<Head> head_; \ |
| composed_work<void(ASIO_VARIADIC_TARGS(n))> tail_; \ |
| }; \ |
| /**/ |
| ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_COMPOSED_WORK_DEF) |
| #undef ASIO_PRIVATE_COMPOSED_WORK_DEF |
| |
| #endif // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| |
| #if defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| template <typename Impl, typename Work, typename Handler, typename Signature> |
| class composed_op; |
| |
| template <typename Impl, typename Work, typename Handler, |
| typename R, typename... Args> |
| class composed_op<Impl, Work, Handler, R(Args...)> |
| #else // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| template <typename Impl, typename Work, typename Handler, typename Signature> |
| class composed_op |
| #endif // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| { |
| public: |
| template <typename I, typename W, typename H> |
| composed_op(ASIO_MOVE_ARG(I) impl, |
| ASIO_MOVE_ARG(W) work, |
| ASIO_MOVE_ARG(H) handler) |
| : impl_(ASIO_MOVE_CAST(I)(impl)), |
| work_(ASIO_MOVE_CAST(W)(work)), |
| handler_(ASIO_MOVE_CAST(H)(handler)), |
| invocations_(0) |
| { |
| } |
| |
| #if defined(ASIO_HAS_MOVE) |
| composed_op(composed_op&& other) |
| : impl_(ASIO_MOVE_CAST(Impl)(other.impl_)), |
| work_(ASIO_MOVE_CAST(Work)(other.work_)), |
| handler_(ASIO_MOVE_CAST(Handler)(other.handler_)), |
| invocations_(other.invocations_) |
| { |
| } |
| #endif // defined(ASIO_HAS_MOVE) |
| |
| typedef typename associated_executor<Handler, |
| typename composed_work_guard< |
| typename Work::head_type |
| >::executor_type |
| >::type executor_type; |
| |
| executor_type get_executor() const ASIO_NOEXCEPT |
| { |
| return (get_associated_executor)(handler_, work_.head_.get_executor()); |
| } |
| |
| typedef typename associated_allocator<Handler, |
| std::allocator<void> >::type allocator_type; |
| |
| allocator_type get_allocator() const ASIO_NOEXCEPT |
| { |
| return (get_associated_allocator)(handler_, std::allocator<void>()); |
| } |
| |
| #if defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| |
| template<typename... T> |
| void operator()(ASIO_MOVE_ARG(T)... t) |
| { |
| if (invocations_ < ~0u) |
| ++invocations_; |
| impl_(*this, ASIO_MOVE_CAST(T)(t)...); |
| } |
| |
| void complete(Args... args) |
| { |
| this->work_.reset(); |
| this->handler_(ASIO_MOVE_CAST(Args)(args)...); |
| } |
| |
| #else // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| |
| void operator()() |
| { |
| if (invocations_ < ~0u) |
| ++invocations_; |
| impl_(*this); |
| } |
| |
| void complete() |
| { |
| this->work_.reset(); |
| this->handler_(); |
| } |
| |
| #define ASIO_PRIVATE_COMPOSED_OP_DEF(n) \ |
| template<ASIO_VARIADIC_TPARAMS(n)> \ |
| void operator()(ASIO_VARIADIC_MOVE_PARAMS(n)) \ |
| { \ |
| if (invocations_ < ~0u) \ |
| ++invocations_; \ |
| impl_(*this, ASIO_VARIADIC_MOVE_ARGS(n)); \ |
| } \ |
| \ |
| template<ASIO_VARIADIC_TPARAMS(n)> \ |
| void complete(ASIO_VARIADIC_MOVE_PARAMS(n)) \ |
| { \ |
| this->work_.reset(); \ |
| this->handler_(ASIO_VARIADIC_MOVE_ARGS(n)); \ |
| } \ |
| /**/ |
| ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_COMPOSED_OP_DEF) |
| #undef ASIO_PRIVATE_COMPOSED_OP_DEF |
| |
| #endif // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| |
| //private: |
| Impl impl_; |
| Work work_; |
| Handler handler_; |
| unsigned invocations_; |
| }; |
| |
| template <typename Impl, typename Work, typename Handler, typename Signature> |
| inline asio_handler_allocate_is_deprecated |
| asio_handler_allocate(std::size_t size, |
| composed_op<Impl, Work, Handler, Signature>* this_handler) |
| { |
| #if defined(ASIO_NO_DEPRECATED) |
| asio_handler_alloc_helpers::allocate(size, this_handler->handler_); |
| return asio_handler_allocate_is_no_longer_used(); |
| #else // defined(ASIO_NO_DEPRECATED) |
| return asio_handler_alloc_helpers::allocate( |
| size, this_handler->handler_); |
| #endif // defined(ASIO_NO_DEPRECATED) |
| } |
| |
| template <typename Impl, typename Work, typename Handler, typename Signature> |
| inline asio_handler_deallocate_is_deprecated |
| asio_handler_deallocate(void* pointer, std::size_t size, |
| composed_op<Impl, Work, Handler, Signature>* this_handler) |
| { |
| asio_handler_alloc_helpers::deallocate( |
| pointer, size, this_handler->handler_); |
| #if defined(ASIO_NO_DEPRECATED) |
| return asio_handler_deallocate_is_no_longer_used(); |
| #endif // defined(ASIO_NO_DEPRECATED) |
| } |
| |
| template <typename Impl, typename Work, typename Handler, typename Signature> |
| inline bool asio_handler_is_continuation( |
| composed_op<Impl, Work, Handler, Signature>* this_handler) |
| { |
| return this_handler->invocations_ > 1 ? true |
| : asio_handler_cont_helpers::is_continuation( |
| this_handler->handler_); |
| } |
| |
| template <typename Function, typename Impl, |
| typename Work, typename Handler, typename Signature> |
| inline asio_handler_invoke_is_deprecated |
| asio_handler_invoke(Function& function, |
| composed_op<Impl, Work, Handler, Signature>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->handler_); |
| #if defined(ASIO_NO_DEPRECATED) |
| return asio_handler_invoke_is_no_longer_used(); |
| #endif // defined(ASIO_NO_DEPRECATED) |
| } |
| |
| template <typename Function, typename Impl, |
| typename Work, typename Handler, typename Signature> |
| inline asio_handler_invoke_is_deprecated |
| asio_handler_invoke(const Function& function, |
| composed_op<Impl, Work, Handler, Signature>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->handler_); |
| #if defined(ASIO_NO_DEPRECATED) |
| return asio_handler_invoke_is_no_longer_used(); |
| #endif // defined(ASIO_NO_DEPRECATED) |
| } |
| |
| template <typename Signature, typename Executors> |
| class initiate_composed_op |
| { |
| public: |
| typedef typename composed_io_executors<Executors>::head_type executor_type; |
| |
| template <typename T> |
| explicit initiate_composed_op(int, ASIO_MOVE_ARG(T) executors) |
| : executors_(ASIO_MOVE_CAST(T)(executors)) |
| { |
| } |
| |
| executor_type get_executor() const ASIO_NOEXCEPT |
| { |
| return executors_.head_; |
| } |
| |
| template <typename Handler, typename Impl> |
| void operator()(ASIO_MOVE_ARG(Handler) handler, |
| ASIO_MOVE_ARG(Impl) impl) const |
| { |
| composed_op<typename decay<Impl>::type, composed_work<Executors>, |
| typename decay<Handler>::type, Signature>( |
| ASIO_MOVE_CAST(Impl)(impl), |
| composed_work<Executors>(executors_), |
| ASIO_MOVE_CAST(Handler)(handler))(); |
| } |
| |
| private: |
| composed_io_executors<Executors> executors_; |
| }; |
| |
| template <typename Signature, typename Executors> |
| inline initiate_composed_op<Signature, Executors> make_initiate_composed_op( |
| ASIO_MOVE_ARG(composed_io_executors<Executors>) executors) |
| { |
| return initiate_composed_op<Signature, Executors>(0, |
| ASIO_MOVE_CAST(composed_io_executors<Executors>)(executors)); |
| } |
| |
| template <typename IoObject> |
| inline typename IoObject::executor_type |
| get_composed_io_executor(IoObject& io_object, |
| typename enable_if< |
| !is_executor<IoObject>::value |
| >::type* = 0, |
| typename enable_if< |
| !execution::is_executor<IoObject>::value |
| >::type* = 0) |
| { |
| return io_object.get_executor(); |
| } |
| |
| template <typename Executor> |
| inline const Executor& get_composed_io_executor(const Executor& ex, |
| typename enable_if< |
| is_executor<Executor>::value |
| || execution::is_executor<Executor>::value |
| >::type* = 0) |
| { |
| return ex; |
| } |
| } // namespace detail |
| |
| #if !defined(GENERATING_DOCUMENTATION) |
| #if defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| |
| template <typename CompletionToken, typename Signature, |
| typename Implementation, typename... IoObjectsOrExecutors> |
| ASIO_INITFN_AUTO_RESULT_TYPE(CompletionToken, Signature) |
| async_compose(ASIO_MOVE_ARG(Implementation) implementation, |
| ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token, |
| ASIO_MOVE_ARG(IoObjectsOrExecutors)... io_objects_or_executors) |
| { |
| return async_initiate<CompletionToken, Signature>( |
| detail::make_initiate_composed_op<Signature>( |
| detail::make_composed_io_executors( |
| detail::get_composed_io_executor( |
| ASIO_MOVE_CAST(IoObjectsOrExecutors)( |
| io_objects_or_executors))...)), |
| token, ASIO_MOVE_CAST(Implementation)(implementation)); |
| } |
| |
| #else // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| |
| template <typename CompletionToken, typename Signature, typename Implementation> |
| ASIO_INITFN_AUTO_RESULT_TYPE(CompletionToken, Signature) |
| async_compose(ASIO_MOVE_ARG(Implementation) implementation, |
| ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token) |
| { |
| return async_initiate<CompletionToken, Signature>( |
| detail::make_initiate_composed_op<Signature>( |
| detail::make_composed_io_executors()), |
| token, ASIO_MOVE_CAST(Implementation)(implementation)); |
| } |
| |
| # define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR(n) \ |
| ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_##n |
| |
| # define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_1 \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)) |
| # define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_2 \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T2)(x2)) |
| # define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_3 \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T2)(x2)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T3)(x3)) |
| # define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_4 \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T2)(x2)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T3)(x3)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T4)(x4)) |
| # define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_5 \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T2)(x2)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T3)(x3)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T4)(x4)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T5)(x5)) |
| # define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_6 \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T2)(x2)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T3)(x3)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T4)(x4)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T5)(x5)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T6)(x6)) |
| # define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_7 \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T2)(x2)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T3)(x3)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T4)(x4)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T5)(x5)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T6)(x6)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T7)(x7)) |
| # define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_8 \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T2)(x2)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T3)(x3)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T4)(x4)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T5)(x5)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T6)(x6)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T7)(x7)), \ |
| detail::get_composed_io_executor(ASIO_MOVE_CAST(T8)(x8)) |
| |
| #define ASIO_PRIVATE_ASYNC_COMPOSE_DEF(n) \ |
| template <typename CompletionToken, typename Signature, \ |
| typename Implementation, ASIO_VARIADIC_TPARAMS(n)> \ |
| ASIO_INITFN_AUTO_RESULT_TYPE(CompletionToken, Signature) \ |
| async_compose(ASIO_MOVE_ARG(Implementation) implementation, \ |
| ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token, \ |
| ASIO_VARIADIC_MOVE_PARAMS(n)) \ |
| { \ |
| return async_initiate<CompletionToken, Signature>( \ |
| detail::make_initiate_composed_op<Signature>( \ |
| detail::make_composed_io_executors( \ |
| ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR(n))), \ |
| token, ASIO_MOVE_CAST(Implementation)(implementation)); \ |
| } \ |
| /**/ |
| ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_ASYNC_COMPOSE_DEF) |
| #undef ASIO_PRIVATE_ASYNC_COMPOSE_DEF |
| |
| #undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR |
| #undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_1 |
| #undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_2 |
| #undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_3 |
| #undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_4 |
| #undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_5 |
| #undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_6 |
| #undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_7 |
| #undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_8 |
| |
| #endif // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
| #endif // !defined(GENERATING_DOCUMENTATION) |
| |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_IMPL_COMPOSE_HPP |