added asio
This commit is contained in:
511
include/asio/dispatch.hpp
Normal file
511
include/asio/dispatch.hpp
Normal file
@@ -0,0 +1,511 @@
|
||||
//
|
||||
// dispatch.hpp
|
||||
// ~~~~~~~~~~~~
|
||||
//
|
||||
// Copyright (c) 2003-2025 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_DISPATCH_HPP
|
||||
#define ASIO_DISPATCH_HPP
|
||||
|
||||
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||||
# pragma once
|
||||
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||||
|
||||
#include "asio/detail/config.hpp"
|
||||
#include "asio/async_result.hpp"
|
||||
#include "asio/detail/initiate_dispatch.hpp"
|
||||
#include "asio/detail/type_traits.hpp"
|
||||
#include "asio/execution_context.hpp"
|
||||
#include "asio/execution/executor.hpp"
|
||||
#include "asio/is_executor.hpp"
|
||||
|
||||
#include "asio/detail/push_options.hpp"
|
||||
|
||||
namespace asio {
|
||||
|
||||
/// Submits a completion token or function object for execution.
|
||||
/**
|
||||
* This function submits an object for execution using the object's associated
|
||||
* executor. The function object may be called from the current thread prior to
|
||||
* returning from <tt>dispatch()</tt>. Otherwise, it is queued for execution.
|
||||
*
|
||||
* @param token The @ref completion_token that will be used to produce a
|
||||
* completion handler. The function signature of the completion handler must be:
|
||||
* @code void handler(); @endcode
|
||||
*
|
||||
* @returns This function returns <tt>async_initiate<NullaryToken,
|
||||
* void()>(Init{}, token)</tt>, where @c Init is a function object type defined
|
||||
* as:
|
||||
*
|
||||
* @code class Init
|
||||
* {
|
||||
* public:
|
||||
* template <typename CompletionHandler>
|
||||
* void operator()(CompletionHandler&& completion_handler) const;
|
||||
* }; @endcode
|
||||
*
|
||||
* The function call operator of @c Init:
|
||||
*
|
||||
* @li Obtains the handler's associated executor object @c ex of type @c Ex by
|
||||
* performing
|
||||
* @code auto ex = get_associated_executor(completion_handler); @endcode
|
||||
*
|
||||
* @li Obtains the handler's associated allocator object @c alloc by performing
|
||||
* @code auto alloc = get_associated_allocator(completion_handler); @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Ex>::value</tt> is true, performs
|
||||
* @code prefer(ex, execution::allocator(alloc)).execute(
|
||||
* std::forward<CompletionHandler>(completion_handler)); @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Ex>::value</tt> is false, performs
|
||||
* @code ex.dispatch(
|
||||
* std::forward<CompletionHandler>(completion_handler),
|
||||
* alloc); @endcode
|
||||
*
|
||||
* @par Completion Signature
|
||||
* @code void() @endcode
|
||||
*/
|
||||
template <ASIO_COMPLETION_TOKEN_FOR(void()) NullaryToken = deferred_t>
|
||||
inline auto dispatch(NullaryToken&& token = deferred_t())
|
||||
-> decltype(
|
||||
async_initiate<NullaryToken, void()>(
|
||||
declval<detail::initiate_dispatch>(), token))
|
||||
{
|
||||
return async_initiate<NullaryToken, void()>(
|
||||
detail::initiate_dispatch(), token);
|
||||
}
|
||||
|
||||
/// Submits a completion token or function object for execution.
|
||||
/**
|
||||
* This function submits an object for execution using the specified executor.
|
||||
* The function object may be called from the current thread prior to returning
|
||||
* from <tt>dispatch()</tt>. Otherwise, it is queued for execution.
|
||||
*
|
||||
* @param ex The target executor.
|
||||
*
|
||||
* @param token The @ref completion_token that will be used to produce a
|
||||
* completion handler. The function signature of the completion handler must be:
|
||||
* @code void handler(); @endcode
|
||||
*
|
||||
* @returns This function returns <tt>async_initiate<NullaryToken,
|
||||
* void()>(Init{ex}, token)</tt>, where @c Init is a function object type
|
||||
* defined as:
|
||||
*
|
||||
* @code class Init
|
||||
* {
|
||||
* public:
|
||||
* using executor_type = Executor;
|
||||
* explicit Init(const Executor& ex) : ex_(ex) {}
|
||||
* executor_type get_executor() const noexcept { return ex_; }
|
||||
* template <typename CompletionHandler>
|
||||
* void operator()(CompletionHandler&& completion_handler) const;
|
||||
* private:
|
||||
* Executor ex_; // exposition only
|
||||
* }; @endcode
|
||||
*
|
||||
* The function call operator of @c Init:
|
||||
*
|
||||
* @li Obtains the handler's associated executor object @c ex1 of type @c Ex1 by
|
||||
* performing
|
||||
* @code auto ex1 = get_associated_executor(completion_handler, ex); @endcode
|
||||
*
|
||||
* @li Obtains the handler's associated allocator object @c alloc by performing
|
||||
* @code auto alloc = get_associated_allocator(completion_handler); @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Ex1>::value</tt> is true, constructs a
|
||||
* function object @c f with a member @c executor_ that is initialised with
|
||||
* <tt>prefer(ex1, execution::outstanding_work.tracked)</tt>, a member @c
|
||||
* handler_ that is a decay-copy of @c completion_handler, and a function call
|
||||
* operator that performs:
|
||||
* @code auto a = get_associated_allocator(handler_);
|
||||
* prefer(executor_, execution::allocator(a)).execute(std::move(handler_));
|
||||
* @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Ex1>::value</tt> is false, constructs a
|
||||
* function object @c f with a member @c work_ that is initialised with
|
||||
* <tt>make_work_guard(ex1)</tt>, a member @c handler_ that is a decay-copy of
|
||||
* @c completion_handler, and a function call operator that performs:
|
||||
* @code auto a = get_associated_allocator(handler_);
|
||||
* work_.get_executor().dispatch(std::move(handler_), a);
|
||||
* work_.reset(); @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Executor>::value</tt> is true, performs
|
||||
* @code prefer(ex, execution::allocator(alloc)).execute(std::move(f)); @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Executor>::value</tt> is false, performs
|
||||
* @code ex.dispatch(std::move(f), alloc); @endcode
|
||||
*
|
||||
* @par Completion Signature
|
||||
* @code void() @endcode
|
||||
*/
|
||||
template <typename Executor,
|
||||
ASIO_COMPLETION_TOKEN_FOR(void()) NullaryToken
|
||||
= default_completion_token_t<Executor>>
|
||||
inline auto dispatch(const Executor& ex,
|
||||
NullaryToken&& token = default_completion_token_t<Executor>(),
|
||||
constraint_t<
|
||||
execution::is_executor<Executor>::value || is_executor<Executor>::value
|
||||
> = 0)
|
||||
-> decltype(
|
||||
async_initiate<NullaryToken, void()>(
|
||||
declval<detail::initiate_dispatch_with_executor<Executor>>(),
|
||||
token, detail::empty_work_function()))
|
||||
{
|
||||
return async_initiate<NullaryToken, void()>(
|
||||
detail::initiate_dispatch_with_executor<Executor>(ex),
|
||||
token, detail::empty_work_function());
|
||||
}
|
||||
|
||||
/// Submits a completion token or function object for execution.
|
||||
/**
|
||||
* @param ctx An execution context, from which the target executor is obtained.
|
||||
*
|
||||
* @param token The @ref completion_token that will be used to produce a
|
||||
* completion handler. The function signature of the completion handler must be:
|
||||
* @code void handler(); @endcode
|
||||
*
|
||||
* @returns <tt>dispatch(ctx.get_executor(), forward<NullaryToken>(token))</tt>.
|
||||
*
|
||||
* @par Completion Signature
|
||||
* @code void() @endcode
|
||||
*/
|
||||
template <typename ExecutionContext,
|
||||
ASIO_COMPLETION_TOKEN_FOR(void()) NullaryToken
|
||||
= default_completion_token_t<typename ExecutionContext::executor_type>>
|
||||
inline auto dispatch(ExecutionContext& ctx,
|
||||
NullaryToken&& token = default_completion_token_t<
|
||||
typename ExecutionContext::executor_type>(),
|
||||
constraint_t<
|
||||
is_convertible<ExecutionContext&, execution_context&>::value
|
||||
> = 0)
|
||||
-> decltype(
|
||||
async_initiate<NullaryToken, void()>(
|
||||
declval<detail::initiate_dispatch_with_executor<
|
||||
typename ExecutionContext::executor_type>>(),
|
||||
token, detail::empty_work_function()))
|
||||
{
|
||||
return async_initiate<NullaryToken, void()>(
|
||||
detail::initiate_dispatch_with_executor<
|
||||
typename ExecutionContext::executor_type>(ctx.get_executor()),
|
||||
token, detail::empty_work_function());
|
||||
}
|
||||
|
||||
/// Submits a function to be run on a specified target executor, and after
|
||||
/// completion submits the completion handler.
|
||||
/**
|
||||
* This function submits a function object for execution using the specified
|
||||
* executor. The function object may be called from the current thread prior to
|
||||
* returning from <tt>dispatch()</tt>. Otherwise, it is queued for execution.
|
||||
* After the submitted function completes, the completion handler is dispatched
|
||||
* to run on its associated executor.
|
||||
*
|
||||
* @param function A nullary function to be executed on the target executor.
|
||||
*
|
||||
* @param ex The target executor.
|
||||
*
|
||||
* @param token The @ref completion_token that will be used to produce a
|
||||
* completion handler. The function signature of the completion handler must be:
|
||||
* @code void handler(); @endcode
|
||||
*
|
||||
* @returns This function returns <tt>async_initiate<NullaryToken,
|
||||
* void()>(Init{ex}, token, forward<Function>(function))</tt>, where @c Init is
|
||||
* a function object type defined as:
|
||||
*
|
||||
* @code class Init
|
||||
* {
|
||||
* public:
|
||||
* using executor_type = Executor;
|
||||
* explicit Init(const Executor& ex) : ex_(ex) {}
|
||||
* executor_type get_executor() const noexcept { return ex_; }
|
||||
* template <typename CompletionHandler>
|
||||
* void operator()(CompletionHandler&& completion_handler,
|
||||
* Function&& function) const;
|
||||
* private:
|
||||
* Executor ex_; // exposition only
|
||||
* }; @endcode
|
||||
*
|
||||
* The function call operator of @c Init:
|
||||
*
|
||||
* @li Obtains the handler's associated executor object @c ex1 of type @c Ex1 by
|
||||
* performing
|
||||
* @code auto ex1 = get_associated_executor(completion_handler, ex); @endcode
|
||||
*
|
||||
* @li Obtains the handler's associated allocator object @c alloc by performing
|
||||
* @code auto alloc = get_associated_allocator(completion_handler); @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Ex1>::value</tt> is true, constructs a
|
||||
* function object wrapper @c f with a member @c executor_ that is initialised
|
||||
* with <tt>prefer(ex1, execution::outstanding_work.tracked)</tt>, a member @c
|
||||
* function_ that is a decay-copy of @c function, a member @c handler_ that is a
|
||||
* decay-copy of @c completion_handler, and a function call operator that
|
||||
* performs:
|
||||
* @code std::move(function_)();
|
||||
* auto a = get_associated_allocator(handler_);
|
||||
* prefer(executor_, execution::allocator(a)).execute(std::move(handler_));
|
||||
* @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Ex1>::value</tt> is false, constructs a
|
||||
* function object wrapper @c f with a member @c work_ that is initialised with
|
||||
* <tt>make_work_guard(ex1)</tt>, a member @c function_ that is a decay-copy of
|
||||
* @c function, a member @c handler_ that is a decay-copy of @c
|
||||
* completion_handler, and a function call operator that performs:
|
||||
* @code std::move(function_)();
|
||||
* auto a = get_associated_allocator(handler_);
|
||||
* work_.get_executor().dispatch(std::move(handler_), a);
|
||||
* work_.reset(); @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Executor>::value</tt> is true, performs
|
||||
* @code prefer(
|
||||
* require(ex, execution::blocking.never),
|
||||
* execution::relationship.fork,
|
||||
* execution::allocator(alloc)
|
||||
* ).execute(std::move(f)); @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Executor>::value</tt> is false, performs
|
||||
* @code ex.dispatch(std::move(f), alloc); @endcode
|
||||
*
|
||||
* @note If the function object throws an exception, that exception is allowed
|
||||
* to propagate to the target executor. The behaviour in this case is dependent
|
||||
* on the executor. For example, asio::io_context will allow the
|
||||
* exception to propagate to the caller that runs the @c io_context, whereas
|
||||
* asio::thread_pool will call @c std::terminate.
|
||||
*
|
||||
* @par Completion Signature
|
||||
* @code void() @endcode
|
||||
*/
|
||||
template <typename Function, typename Executor,
|
||||
ASIO_COMPLETION_TOKEN_FOR(void()) NullaryToken
|
||||
= default_completion_token_t<Executor>>
|
||||
inline auto dispatch(Function&& function, const Executor& ex,
|
||||
NullaryToken&& token = default_completion_token_t<Executor>(),
|
||||
constraint_t<
|
||||
is_void<result_of_t<decay_t<Function>()>>::value
|
||||
> = 0,
|
||||
constraint_t<
|
||||
(execution::is_executor<Executor>::value
|
||||
&& can_require<Executor, execution::blocking_t::never_t>::value)
|
||||
|| is_executor<Executor>::value
|
||||
> = 0)
|
||||
-> decltype(
|
||||
async_initiate<NullaryToken, void()>(
|
||||
declval<detail::initiate_dispatch_with_executor<Executor>>(),
|
||||
token, static_cast<Function&&>(function)))
|
||||
{
|
||||
return async_initiate<NullaryToken, void()>(
|
||||
detail::initiate_dispatch_with_executor<Executor>(ex),
|
||||
token, static_cast<Function&&>(function));
|
||||
}
|
||||
|
||||
/// Submits a function to be run on a specified target executor, and passes the
|
||||
/// result to a completion handler.
|
||||
/**
|
||||
* This function submits a function object for execution using the specified
|
||||
* executor. The function object may be called from the current thread prior to
|
||||
* returning from <tt>dispatch()</tt>. Otherwise, it is queued for execution.
|
||||
* After the submitted function completes, the completion handler is dispatched
|
||||
* along with the function's result, to run on its associated executor.
|
||||
*
|
||||
* @param function A nullary function to be executed on the target executor.
|
||||
*
|
||||
* @param ex The target executor.
|
||||
*
|
||||
* @param token The @ref completion_token that will be used to produce a
|
||||
* completion handler. The function signature of the completion handler must be:
|
||||
* @code void handler(decay_t<result_of_t<decay_t<Function>()>>); @endcode
|
||||
*
|
||||
* @returns This function returns <tt>async_initiate<CompletionToken,
|
||||
* void()>(Init{ex}, token)</tt>, where @c Init is a function object type
|
||||
* defined as:
|
||||
*
|
||||
* @code class Init
|
||||
* {
|
||||
* public:
|
||||
* using executor_type = Executor;
|
||||
* explicit Init(const Executor& ex) : ex_(ex) {}
|
||||
* executor_type get_executor() const noexcept { return ex_; }
|
||||
* template <typename CompletionHandler>
|
||||
* void operator()(CompletionHandler&& completion_handler,
|
||||
* Function&& function) const;
|
||||
* private:
|
||||
* Executor ex_; // exposition only
|
||||
* }; @endcode
|
||||
*
|
||||
* The function call operator of @c Init:
|
||||
*
|
||||
* @li Obtains the handler's associated executor object @c ex1 of type @c Ex1 by
|
||||
* performing
|
||||
* @code auto ex1 = get_associated_executor(completion_handler, ex); @endcode
|
||||
*
|
||||
* @li Obtains the handler's associated allocator object @c alloc by performing
|
||||
* @code auto alloc = get_associated_allocator(completion_handler); @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Ex1>::value</tt> is true, constructs a
|
||||
* function object wrapper @c f with a member @c executor_ that is initialised
|
||||
* with <tt>prefer(ex1, execution::outstanding_work.tracked)</tt>, a member @c
|
||||
* function_ that is a decay-copy of @c function, a member @c handler_ that is a
|
||||
* decay-copy of @c completion_handler, and a function call operator that
|
||||
* performs:
|
||||
* @code auto result = std::move(function_)();
|
||||
* auto a = get_associated_allocator(handler_);
|
||||
* prefer(executor_, execution::allocator(a)).execute(
|
||||
* std::bind(std::move(handler_), std::move(result)));
|
||||
* @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Ex1>::value</tt> is false, constructs a
|
||||
* function object wrapper @c f with a member @c work_ that is initialised with
|
||||
* <tt>make_work_guard(ex1)</tt>, a member @c function_ that is a decay-copy of
|
||||
* @c function, a member @c handler_ that is a decay-copy of @c
|
||||
* completion_handler, and a function call operator that performs:
|
||||
* @code auto result = std::move(function_)();
|
||||
* auto a = get_associated_allocator(handler_);
|
||||
* work_.get_executor().dispatch(
|
||||
* std::bind(std::move(handler_), std::move(result)), a);
|
||||
* work_.reset(); @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Executor>::value</tt> is true, performs
|
||||
* @code prefer(
|
||||
* require(ex, execution::blocking.never),
|
||||
* execution::relationship.fork,
|
||||
* execution::allocator(alloc)
|
||||
* ).execute(std::move(f)); @endcode
|
||||
*
|
||||
* @li If <tt>execution::is_executor<Executor>::value</tt> is false, performs
|
||||
* @code ex.dispatch(std::move(f), alloc); @endcode
|
||||
*
|
||||
* @note If the function object throws an exception, that exception is allowed
|
||||
* to propagate to the target executor. The behaviour in this case is dependent
|
||||
* on the executor. For example, asio::io_context will allow the
|
||||
* exception to propagate to the caller that runs the @c io_context, whereas
|
||||
* asio::thread_pool will call @c std::terminate.
|
||||
*
|
||||
* @par Completion Signature
|
||||
* @code void(decay_t<result_of_t<decay_t<Function>()>>) @endcode
|
||||
*/
|
||||
template <typename Function, typename Executor,
|
||||
ASIO_COMPLETION_TOKEN_FOR(
|
||||
void(decay_t<result_of_t<decay_t<Function>()>>)) CompletionToken
|
||||
= default_completion_token_t<Executor>>
|
||||
inline auto dispatch(Function&& function, const Executor& ex,
|
||||
CompletionToken&& token = default_completion_token_t<Executor>(),
|
||||
constraint_t<
|
||||
!is_void<result_of_t<decay_t<Function>()>>::value
|
||||
> = 0,
|
||||
constraint_t<
|
||||
(execution::is_executor<Executor>::value
|
||||
&& can_require<Executor, execution::blocking_t::never_t>::value)
|
||||
|| is_executor<Executor>::value
|
||||
> = 0)
|
||||
-> decltype(
|
||||
async_initiate<CompletionToken, void(detail::work_result_t<Function>)>(
|
||||
declval<detail::initiate_dispatch_with_executor<Executor>>(),
|
||||
token, static_cast<Function&&>(function)))
|
||||
{
|
||||
return async_initiate<CompletionToken, void(detail::work_result_t<Function>)>(
|
||||
detail::initiate_dispatch_with_executor<Executor>(ex),
|
||||
token, static_cast<Function&&>(function));
|
||||
}
|
||||
|
||||
/// Submits a function to be run on a specified execution context, and after
|
||||
/// completion submits the completion handler.
|
||||
/**
|
||||
* @param function A nullary function to be executed on the target executor.
|
||||
*
|
||||
* @param ctx An execution context, from which the target executor is obtained.
|
||||
*
|
||||
* @param token The @ref completion_token that will be used to produce a
|
||||
* completion handler. The function signature of the completion handler must be:
|
||||
* @code void handler(); @endcode
|
||||
*
|
||||
* @returns <tt>dispatch(forward<Function>(function), ctx.get_executor(),
|
||||
* forward<NullaryToken>(token))</tt>.
|
||||
*
|
||||
* @note If the function object throws an exception, that exception is allowed
|
||||
* to propagate to the target executor. The behaviour in this case is dependent
|
||||
* on the executor. For example, asio::io_context will allow the
|
||||
* exception to propagate to the caller that runs the @c io_context, whereas
|
||||
* asio::thread_pool will call @c std::terminate.
|
||||
*
|
||||
* @par Completion Signature
|
||||
* @code void() @endcode
|
||||
*/
|
||||
template <typename Function, typename ExecutionContext,
|
||||
ASIO_COMPLETION_TOKEN_FOR(void()) NullaryToken
|
||||
= default_completion_token_t<typename ExecutionContext::executor_type>>
|
||||
inline auto dispatch(Function&& function, ExecutionContext& ctx,
|
||||
NullaryToken&& token = default_completion_token_t<
|
||||
typename ExecutionContext::executor_type>(),
|
||||
constraint_t<
|
||||
is_void<result_of_t<decay_t<Function>()>>::value
|
||||
> = 0,
|
||||
constraint_t<
|
||||
is_convertible<ExecutionContext&, execution_context&>::value
|
||||
> = 0)
|
||||
-> decltype(
|
||||
async_initiate<NullaryToken, void()>(
|
||||
declval<detail::initiate_dispatch_with_executor<
|
||||
typename ExecutionContext::executor_type>>(),
|
||||
token, static_cast<Function&&>(function)))
|
||||
{
|
||||
return async_initiate<NullaryToken, void()>(
|
||||
detail::initiate_dispatch_with_executor<
|
||||
typename ExecutionContext::executor_type>(ctx.get_executor()),
|
||||
token, static_cast<Function&&>(function));
|
||||
}
|
||||
|
||||
/// Submits a function to be run on a specified execution context, and passes
|
||||
/// the result to a completion handler.
|
||||
/**
|
||||
* @param function A nullary function to be executed on the target executor.
|
||||
*
|
||||
* @param ctx An execution context, from which the target executor is obtained.
|
||||
*
|
||||
* @param token The @ref completion_token that will be used to produce a
|
||||
* completion handler. The function signature of the completion handler must be:
|
||||
* @code void handler(); @endcode
|
||||
*
|
||||
* @returns <tt>dispatch(forward<Function>(function), ctx.get_executor(),
|
||||
* forward<CompletionToken>(token))</tt>.
|
||||
*
|
||||
* @note If the function object throws an exception, that exception is allowed
|
||||
* to propagate to the target executor. The behaviour in this case is dependent
|
||||
* on the executor. For example, asio::io_context will allow the
|
||||
* exception to propagate to the caller that runs the @c io_context, whereas
|
||||
* asio::thread_pool will call @c std::terminate.
|
||||
*
|
||||
* @par Completion Signature
|
||||
* @code void(decay_t<result_of_t<decay_t<Function>()>>) @endcode
|
||||
*/
|
||||
template <typename Function, typename ExecutionContext,
|
||||
ASIO_COMPLETION_TOKEN_FOR(
|
||||
void(decay_t<result_of_t<decay_t<Function>()>>)) CompletionToken
|
||||
= default_completion_token_t<typename ExecutionContext::executor_type>>
|
||||
inline auto dispatch(Function&& function, ExecutionContext& ctx,
|
||||
CompletionToken&& token = default_completion_token_t<
|
||||
typename ExecutionContext::executor_type>(),
|
||||
constraint_t<
|
||||
!is_void<result_of_t<decay_t<Function>()>>::value
|
||||
> = 0,
|
||||
constraint_t<
|
||||
is_convertible<ExecutionContext&, execution_context&>::value
|
||||
> = 0)
|
||||
-> decltype(
|
||||
async_initiate<CompletionToken, void(detail::work_result_t<Function>)>(
|
||||
declval<detail::initiate_dispatch_with_executor<
|
||||
typename ExecutionContext::executor_type>>(),
|
||||
token, static_cast<Function&&>(function)))
|
||||
{
|
||||
return async_initiate<CompletionToken, void(detail::work_result_t<Function>)>(
|
||||
detail::initiate_dispatch_with_executor<
|
||||
typename ExecutionContext::executor_type>(ctx.get_executor()),
|
||||
token, static_cast<Function&&>(function));
|
||||
}
|
||||
|
||||
} // namespace asio
|
||||
|
||||
#include "asio/detail/pop_options.hpp"
|
||||
|
||||
#endif // ASIO_DISPATCH_HPP
|
||||
Reference in New Issue
Block a user