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AngelscriptDebuggerServer/extern/asio-1.18.2/include/asio/execution/blocking_adaptation.hpp

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//
// execution/blocking_adaptation.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_EXECUTION_BLOCKING_ADAPTATION_HPP
#define ASIO_EXECUTION_BLOCKING_ADAPTATION_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/detail/event.hpp"
#include "asio/detail/mutex.hpp"
#include "asio/detail/type_traits.hpp"
#include "asio/execution/execute.hpp"
#include "asio/execution/executor.hpp"
#include "asio/execution/scheduler.hpp"
#include "asio/execution/sender.hpp"
#include "asio/is_applicable_property.hpp"
#include "asio/prefer.hpp"
#include "asio/query.hpp"
#include "asio/require.hpp"
#include "asio/traits/prefer_member.hpp"
#include "asio/traits/query_free.hpp"
#include "asio/traits/query_member.hpp"
#include "asio/traits/query_static_constexpr_member.hpp"
#include "asio/traits/require_member.hpp"
#include "asio/traits/static_query.hpp"
#include "asio/traits/static_require.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
#if defined(GENERATING_DOCUMENTATION)
namespace execution {
/// A property to describe whether automatic adaptation of an executor is
/// allowed in order to apply the blocking_adaptation_t::allowed_t property.
struct blocking_adaptation_t
{
/// The blocking_adaptation_t property applies to executors, senders, and
/// schedulers.
template <typename T>
static constexpr bool is_applicable_property_v =
is_executor_v<T> || is_sender_v<T> || is_scheduler_v<T>;
/// The top-level blocking_adaptation_t property cannot be required.
static constexpr bool is_requirable = false;
/// The top-level blocking_adaptation_t property cannot be preferred.
static constexpr bool is_preferable = false;
/// The type returned by queries against an @c any_executor.
typedef blocking_adaptation_t polymorphic_query_result_type;
/// A sub-property that indicates that automatic adaptation is not allowed.
struct disallowed_t
{
/// The blocking_adaptation_t::disallowed_t property applies to executors,
/// senders, and schedulers.
template <typename T>
static constexpr bool is_applicable_property_v =
is_executor_v<T> || is_sender_v<T> || is_scheduler_v<T>;
/// The blocking_adaptation_t::disallowed_t property can be required.
static constexpr bool is_requirable = true;
/// The blocking_adaptation_t::disallowed_t property can be preferred.
static constexpr bool is_preferable = true;
/// The type returned by queries against an @c any_executor.
typedef blocking_adaptation_t polymorphic_query_result_type;
/// Default constructor.
constexpr disallowed_t();
/// Get the value associated with a property object.
/**
* @returns disallowed_t();
*/
static constexpr blocking_adaptation_t value();
};
/// A sub-property that indicates that automatic adaptation is allowed.
struct allowed_t
{
/// The blocking_adaptation_t::allowed_t property applies to executors,
/// senders, and schedulers.
template <typename T>
static constexpr bool is_applicable_property_v =
is_executor_v<T> || is_sender_v<T> || is_scheduler_v<T>;
/// The blocking_adaptation_t::allowed_t property can be required.
static constexpr bool is_requirable = true;
/// The blocking_adaptation_t::allowed_t property can be preferred.
static constexpr bool is_preferable = false;
/// The type returned by queries against an @c any_executor.
typedef blocking_adaptation_t polymorphic_query_result_type;
/// Default constructor.
constexpr allowed_t();
/// Get the value associated with a property object.
/**
* @returns allowed_t();
*/
static constexpr blocking_adaptation_t value();
};
/// A special value used for accessing the blocking_adaptation_t::disallowed_t
/// property.
static constexpr disallowed_t disallowed;
/// A special value used for accessing the blocking_adaptation_t::allowed_t
/// property.
static constexpr allowed_t allowed;
/// Default constructor.
constexpr blocking_adaptation_t();
/// Construct from a sub-property value.
constexpr blocking_adaptation_t(disallowed_t);
/// Construct from a sub-property value.
constexpr blocking_adaptation_t(allowed_t);
/// Compare property values for equality.
friend constexpr bool operator==(
const blocking_adaptation_t& a, const blocking_adaptation_t& b) noexcept;
/// Compare property values for inequality.
friend constexpr bool operator!=(
const blocking_adaptation_t& a, const blocking_adaptation_t& b) noexcept;
};
/// A special value used for accessing the blocking_adaptation_t property.
constexpr blocking_adaptation_t blocking_adaptation;
} // namespace execution
#else // defined(GENERATING_DOCUMENTATION)
namespace execution {
namespace detail {
namespace blocking_adaptation {
template <int I> struct disallowed_t;
template <int I> struct allowed_t;
} // namespace blocking_adaptation
template <int I = 0>
struct blocking_adaptation_t
{
#if defined(ASIO_HAS_VARIABLE_TEMPLATES)
template <typename T>
ASIO_STATIC_CONSTEXPR(bool,
is_applicable_property_v = (
is_executor<T>::value
|| conditional<
is_executor<T>::value,
false_type,
is_sender<T>
>::type::value
|| conditional<
is_executor<T>::value,
false_type,
is_scheduler<T>
>::type::value));
#endif // defined(ASIO_HAS_VARIABLE_TEMPLATES)
ASIO_STATIC_CONSTEXPR(bool, is_requirable = false);
ASIO_STATIC_CONSTEXPR(bool, is_preferable = false);
typedef blocking_adaptation_t polymorphic_query_result_type;
typedef detail::blocking_adaptation::disallowed_t<I> disallowed_t;
typedef detail::blocking_adaptation::allowed_t<I> allowed_t;
ASIO_CONSTEXPR blocking_adaptation_t()
: value_(-1)
{
}
ASIO_CONSTEXPR blocking_adaptation_t(disallowed_t)
: value_(0)
{
}
ASIO_CONSTEXPR blocking_adaptation_t(allowed_t)
: value_(1)
{
}
template <typename T>
struct proxy
{
#if defined(ASIO_HAS_DEDUCED_QUERY_MEMBER_TRAIT)
struct type
{
template <typename P>
auto query(ASIO_MOVE_ARG(P) p) const
noexcept(
noexcept(
declval<typename conditional<true, T, P>::type>().query(
ASIO_MOVE_CAST(P)(p))
)
)
-> decltype(
declval<typename conditional<true, T, P>::type>().query(
ASIO_MOVE_CAST(P)(p))
);
};
#else // defined(ASIO_HAS_DEDUCED_QUERY_MEMBER_TRAIT)
typedef T type;
#endif // defined(ASIO_HAS_DEDUCED_QUERY_MEMBER_TRAIT)
};
template <typename T>
struct static_proxy
{
#if defined(ASIO_HAS_DEDUCED_QUERY_STATIC_CONSTEXPR_MEMBER_TRAIT)
struct type
{
template <typename P>
static constexpr auto query(ASIO_MOVE_ARG(P) p)
noexcept(
noexcept(
conditional<true, T, P>::type::query(ASIO_MOVE_CAST(P)(p))
)
)
-> decltype(
conditional<true, T, P>::type::query(ASIO_MOVE_CAST(P)(p))
)
{
return T::query(ASIO_MOVE_CAST(P)(p));
}
};
#else // defined(ASIO_HAS_DEDUCED_QUERY_STATIC_CONSTEXPR_MEMBER_TRAIT)
typedef T type;
#endif // defined(ASIO_HAS_DEDUCED_QUERY_STATIC_CONSTEXPR_MEMBER_TRAIT)
};
template <typename T>
struct query_member :
traits::query_member<typename proxy<T>::type, blocking_adaptation_t> {};
template <typename T>
struct query_static_constexpr_member :
traits::query_static_constexpr_member<
typename static_proxy<T>::type, blocking_adaptation_t> {};
#if defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \
&& defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
template <typename T>
static ASIO_CONSTEXPR
typename query_static_constexpr_member<T>::result_type
static_query()
ASIO_NOEXCEPT_IF((
query_static_constexpr_member<T>::is_noexcept))
{
return query_static_constexpr_member<T>::value();
}
template <typename T>
static ASIO_CONSTEXPR
typename traits::static_query<T, disallowed_t>::result_type
static_query(
typename enable_if<
!query_static_constexpr_member<T>::is_valid
>::type* = 0,
typename enable_if<
!query_member<T>::is_valid
>::type* = 0,
typename enable_if<
traits::static_query<T, disallowed_t>::is_valid
>::type* = 0) ASIO_NOEXCEPT
{
return traits::static_query<T, disallowed_t>::value();
}
template <typename T>
static ASIO_CONSTEXPR
typename traits::static_query<T, allowed_t>::result_type
static_query(
typename enable_if<
!query_static_constexpr_member<T>::is_valid
>::type* = 0,
typename enable_if<
!query_member<T>::is_valid
>::type* = 0,
typename enable_if<
!traits::static_query<T, disallowed_t>::is_valid
>::type* = 0,
typename enable_if<
traits::static_query<T, allowed_t>::is_valid
>::type* = 0) ASIO_NOEXCEPT
{
return traits::static_query<T, allowed_t>::value();
}
template <typename E,
typename T = decltype(blocking_adaptation_t::static_query<E>())>
static ASIO_CONSTEXPR const T static_query_v
= blocking_adaptation_t::static_query<E>();
#endif // defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT)
// && defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
friend ASIO_CONSTEXPR bool operator==(
const blocking_adaptation_t& a, const blocking_adaptation_t& b)
{
return a.value_ == b.value_;
}
friend ASIO_CONSTEXPR bool operator!=(
const blocking_adaptation_t& a, const blocking_adaptation_t& b)
{
return a.value_ != b.value_;
}
struct convertible_from_blocking_adaptation_t
{
ASIO_CONSTEXPR convertible_from_blocking_adaptation_t(
blocking_adaptation_t)
{
}
};
template <typename Executor>
friend ASIO_CONSTEXPR blocking_adaptation_t query(
const Executor& ex, convertible_from_blocking_adaptation_t,
typename enable_if<
can_query<const Executor&, disallowed_t>::value
>::type* = 0)
#if !defined(__clang__) // Clang crashes if noexcept is used here.
#if defined(ASIO_MSVC) // Visual C++ wants the type to be qualified.
ASIO_NOEXCEPT_IF((
is_nothrow_query<const Executor&,
blocking_adaptation_t<>::disallowed_t>::value))
#else // defined(ASIO_MSVC)
ASIO_NOEXCEPT_IF((
is_nothrow_query<const Executor&, disallowed_t>::value))
#endif // defined(ASIO_MSVC)
#endif // !defined(__clang__)
{
return asio::query(ex, disallowed_t());
}
template <typename Executor>
friend ASIO_CONSTEXPR blocking_adaptation_t query(
const Executor& ex, convertible_from_blocking_adaptation_t,
typename enable_if<
!can_query<const Executor&, disallowed_t>::value
>::type* = 0,
typename enable_if<
can_query<const Executor&, allowed_t>::value
>::type* = 0)
#if !defined(__clang__) // Clang crashes if noexcept is used here.
#if defined(ASIO_MSVC) // Visual C++ wants the type to be qualified.
ASIO_NOEXCEPT_IF((
is_nothrow_query<const Executor&,
blocking_adaptation_t<>::allowed_t>::value))
#else // defined(ASIO_MSVC)
ASIO_NOEXCEPT_IF((
is_nothrow_query<const Executor&, allowed_t>::value))
#endif // defined(ASIO_MSVC)
#endif // !defined(__clang__)
{
return asio::query(ex, allowed_t());
}
ASIO_STATIC_CONSTEXPR_DEFAULT_INIT(disallowed_t, disallowed);
ASIO_STATIC_CONSTEXPR_DEFAULT_INIT(allowed_t, allowed);
#if !defined(ASIO_HAS_CONSTEXPR)
static const blocking_adaptation_t instance;
#endif // !defined(ASIO_HAS_CONSTEXPR)
private:
int value_;
};
#if defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \
&& defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
template <int I> template <typename E, typename T>
const T blocking_adaptation_t<I>::static_query_v;
#endif // defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT)
// && defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
#if !defined(ASIO_HAS_CONSTEXPR)
template <int I>
const blocking_adaptation_t<I> blocking_adaptation_t<I>::instance;
#endif
template <int I>
const typename blocking_adaptation_t<I>::disallowed_t
blocking_adaptation_t<I>::disallowed;
template <int I>
const typename blocking_adaptation_t<I>::allowed_t
blocking_adaptation_t<I>::allowed;
namespace blocking_adaptation {
template <int I = 0>
struct disallowed_t
{
#if defined(ASIO_HAS_VARIABLE_TEMPLATES)
template <typename T>
ASIO_STATIC_CONSTEXPR(bool,
is_applicable_property_v = (
is_executor<T>::value
|| conditional<
is_executor<T>::value,
false_type,
is_sender<T>
>::type::value
|| conditional<
is_executor<T>::value,
false_type,
is_scheduler<T>
>::type::value));
#endif // defined(ASIO_HAS_VARIABLE_TEMPLATES)
ASIO_STATIC_CONSTEXPR(bool, is_requirable = true);
ASIO_STATIC_CONSTEXPR(bool, is_preferable = true);
typedef blocking_adaptation_t<I> polymorphic_query_result_type;
ASIO_CONSTEXPR disallowed_t()
{
}
template <typename T>
struct query_member :
traits::query_member<
typename blocking_adaptation_t<I>::template proxy<T>::type,
disallowed_t> {};
template <typename T>
struct query_static_constexpr_member :
traits::query_static_constexpr_member<
typename blocking_adaptation_t<I>::template static_proxy<T>::type,
disallowed_t> {};
#if defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \
&& defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
template <typename T>
static ASIO_CONSTEXPR
typename query_static_constexpr_member<T>::result_type
static_query()
ASIO_NOEXCEPT_IF((
query_static_constexpr_member<T>::is_noexcept))
{
return query_static_constexpr_member<T>::value();
}
template <typename T>
static ASIO_CONSTEXPR disallowed_t static_query(
typename enable_if<
!query_static_constexpr_member<T>::is_valid
>::type* = 0,
typename enable_if<
!query_member<T>::is_valid
>::type* = 0,
typename enable_if<
!traits::query_free<T, disallowed_t>::is_valid
>::type* = 0,
typename enable_if<
!can_query<T, allowed_t<I> >::value
>::type* = 0) ASIO_NOEXCEPT
{
return disallowed_t();
}
template <typename E, typename T = decltype(disallowed_t::static_query<E>())>
static ASIO_CONSTEXPR const T static_query_v
= disallowed_t::static_query<E>();
#endif // defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT)
// && defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
static ASIO_CONSTEXPR blocking_adaptation_t<I> value()
{
return disallowed_t();
}
friend ASIO_CONSTEXPR bool operator==(
const disallowed_t&, const disallowed_t&)
{
return true;
}
friend ASIO_CONSTEXPR bool operator!=(
const disallowed_t&, const disallowed_t&)
{
return false;
}
};
#if defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \
&& defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
template <int I> template <typename E, typename T>
const T disallowed_t<I>::static_query_v;
#endif // defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT)
// && defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
template <typename Executor>
class adapter
{
public:
adapter(int, const Executor& e) ASIO_NOEXCEPT
: executor_(e)
{
}
adapter(const adapter& other) ASIO_NOEXCEPT
: executor_(other.executor_)
{
}
#if defined(ASIO_HAS_MOVE)
adapter(adapter&& other) ASIO_NOEXCEPT
: executor_(ASIO_MOVE_CAST(Executor)(other.executor_))
{
}
#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
template <int I>
static ASIO_CONSTEXPR allowed_t<I> query(
blocking_adaptation_t<I>) ASIO_NOEXCEPT
{
return allowed_t<I>();
}
template <int I>
static ASIO_CONSTEXPR allowed_t<I> query(
allowed_t<I>) ASIO_NOEXCEPT
{
return allowed_t<I>();
}
template <int I>
static ASIO_CONSTEXPR allowed_t<I> query(
disallowed_t<I>) ASIO_NOEXCEPT
{
return allowed_t<I>();
}
template <typename Property>
typename enable_if<
can_query<const Executor&, Property>::value,
typename query_result<const Executor&, Property>::type
>::type query(const Property& p) const
ASIO_NOEXCEPT_IF((
is_nothrow_query<const Executor&, Property>::value))
{
return asio::query(executor_, p);
}
template <int I>
Executor require(disallowed_t<I>) const ASIO_NOEXCEPT
{
return executor_;
}
template <typename Property>
typename enable_if<
can_require<const Executor&, Property>::value,
adapter<typename decay<
typename require_result<const Executor&, Property>::type
>::type>
>::type require(const Property& p) const
ASIO_NOEXCEPT_IF((
is_nothrow_require<const Executor&, Property>::value))
{
return adapter<typename decay<
typename require_result<const Executor&, Property>::type
>::type>(0, asio::require(executor_, p));
}
template <typename Property>
typename enable_if<
can_prefer<const Executor&, Property>::value,
adapter<typename decay<
typename prefer_result<const Executor&, Property>::type
>::type>
>::type prefer(const Property& p) const
ASIO_NOEXCEPT_IF((
is_nothrow_prefer<const Executor&, Property>::value))
{
return adapter<typename decay<
typename prefer_result<const Executor&, Property>::type
>::type>(0, asio::prefer(executor_, p));
}
template <typename Function>
typename enable_if<
execution::can_execute<const Executor&, Function>::value
>::type execute(ASIO_MOVE_ARG(Function) f) const
{
execution::execute(executor_, ASIO_MOVE_CAST(Function)(f));
}
friend bool operator==(const adapter& a, const adapter& b) ASIO_NOEXCEPT
{
return a.executor_ == b.executor_;
}
friend bool operator!=(const adapter& a, const adapter& b) ASIO_NOEXCEPT
{
return a.executor_ != b.executor_;
}
private:
Executor executor_;
};
template <int I = 0>
struct allowed_t
{
#if defined(ASIO_HAS_VARIABLE_TEMPLATES)
template <typename T>
ASIO_STATIC_CONSTEXPR(bool,
is_applicable_property_v = (
is_executor<T>::value
|| conditional<
is_executor<T>::value,
false_type,
is_sender<T>
>::type::value
|| conditional<
is_executor<T>::value,
false_type,
is_scheduler<T>
>::type::value));
#endif // defined(ASIO_HAS_VARIABLE_TEMPLATES)
ASIO_STATIC_CONSTEXPR(bool, is_requirable = true);
ASIO_STATIC_CONSTEXPR(bool, is_preferable = false);
typedef blocking_adaptation_t<I> polymorphic_query_result_type;
ASIO_CONSTEXPR allowed_t()
{
}
template <typename T>
struct query_member :
traits::query_member<
typename blocking_adaptation_t<I>::template proxy<T>::type,
allowed_t> {};
template <typename T>
struct query_static_constexpr_member :
traits::query_static_constexpr_member<
typename blocking_adaptation_t<I>::template static_proxy<T>::type,
allowed_t> {};
#if defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \
&& defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
template <typename T>
static ASIO_CONSTEXPR
typename query_static_constexpr_member<T>::result_type
static_query()
ASIO_NOEXCEPT_IF((
query_static_constexpr_member<T>::is_noexcept))
{
return query_static_constexpr_member<T>::value();
}
template <typename E, typename T = decltype(allowed_t::static_query<E>())>
static ASIO_CONSTEXPR const T static_query_v
= allowed_t::static_query<E>();
#endif // defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT)
// && defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
static ASIO_CONSTEXPR blocking_adaptation_t<I> value()
{
return allowed_t();
}
friend ASIO_CONSTEXPR bool operator==(
const allowed_t&, const allowed_t&)
{
return true;
}
friend ASIO_CONSTEXPR bool operator!=(
const allowed_t&, const allowed_t&)
{
return false;
}
template <typename Executor>
friend adapter<Executor> require(
const Executor& e, const allowed_t&,
typename enable_if<
is_executor<Executor>::value
>::type* = 0)
{
return adapter<Executor>(0, e);
}
};
#if defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \
&& defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
template <int I> template <typename E, typename T>
const T allowed_t<I>::static_query_v;
#endif // defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT)
// && defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
template <typename Function>
class blocking_execute_state
{
public:
template <typename F>
blocking_execute_state(ASIO_MOVE_ARG(F) f)
: func_(ASIO_MOVE_CAST(F)(f)),
is_complete_(false)
{
}
template <typename Executor>
void execute_and_wait(ASIO_MOVE_ARG(Executor) ex)
{
handler h = { this };
execution::execute(ASIO_MOVE_CAST(Executor)(ex), h);
asio::detail::mutex::scoped_lock lock(mutex_);
while (!is_complete_)
event_.wait(lock);
}
struct cleanup
{
~cleanup()
{
asio::detail::mutex::scoped_lock lock(state_->mutex_);
state_->is_complete_ = true;
state_->event_.unlock_and_signal_one_for_destruction(lock);
}
blocking_execute_state* state_;
};
struct handler
{
void operator()()
{
cleanup c = { state_ };
state_->func_();
}
blocking_execute_state* state_;
};
Function func_;
asio::detail::mutex mutex_;
asio::detail::event event_;
bool is_complete_;
};
template <typename Executor, typename Function>
void blocking_execute(
ASIO_MOVE_ARG(Executor) ex,
ASIO_MOVE_ARG(Function) func)
{
typedef typename decay<Function>::type func_t;
blocking_execute_state<func_t> state(ASIO_MOVE_CAST(Function)(func));
state.execute_and_wait(ex);
}
} // namespace blocking_adaptation
} // namespace detail
typedef detail::blocking_adaptation_t<> blocking_adaptation_t;
#if defined(ASIO_HAS_CONSTEXPR) || defined(GENERATING_DOCUMENTATION)
constexpr blocking_adaptation_t blocking_adaptation;
#else // defined(ASIO_HAS_CONSTEXPR) || defined(GENERATING_DOCUMENTATION)
namespace { static const blocking_adaptation_t&
blocking_adaptation = blocking_adaptation_t::instance; }
#endif
} // namespace execution
#if !defined(ASIO_HAS_VARIABLE_TEMPLATES)
template <typename T>
struct is_applicable_property<T, execution::blocking_adaptation_t>
: integral_constant<bool,
execution::is_executor<T>::value
|| conditional<
execution::is_executor<T>::value,
false_type,
execution::is_sender<T>
>::type::value
|| conditional<
execution::is_executor<T>::value,
false_type,
execution::is_scheduler<T>
>::type::value>
{
};
template <typename T>
struct is_applicable_property<T, execution::blocking_adaptation_t::disallowed_t>
: integral_constant<bool,
execution::is_executor<T>::value
|| conditional<
execution::is_executor<T>::value,
false_type,
execution::is_sender<T>
>::type::value
|| conditional<
execution::is_executor<T>::value,
false_type,
execution::is_scheduler<T>
>::type::value>
{
};
template <typename T>
struct is_applicable_property<T, execution::blocking_adaptation_t::allowed_t>
: integral_constant<bool,
execution::is_executor<T>::value
|| conditional<
execution::is_executor<T>::value,
false_type,
execution::is_sender<T>
>::type::value
|| conditional<
execution::is_executor<T>::value,
false_type,
execution::is_scheduler<T>
>::type::value>
{
};
#endif // !defined(ASIO_HAS_VARIABLE_TEMPLATES)
namespace traits {
#if !defined(ASIO_HAS_DEDUCED_QUERY_FREE_TRAIT)
template <typename T>
struct query_free_default<T, execution::blocking_adaptation_t,
typename enable_if<
can_query<T, execution::blocking_adaptation_t::disallowed_t>::value
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = (is_nothrow_query<T,
execution::blocking_adaptation_t::disallowed_t>::value));
typedef execution::blocking_adaptation_t result_type;
};
template <typename T>
struct query_free_default<T, execution::blocking_adaptation_t,
typename enable_if<
!can_query<T, execution::blocking_adaptation_t::disallowed_t>::value
&& can_query<T, execution::blocking_adaptation_t::allowed_t>::value
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept =
(is_nothrow_query<T, execution::blocking_adaptation_t::allowed_t>::value));
typedef execution::blocking_adaptation_t result_type;
};
#endif // !defined(ASIO_HAS_DEDUCED_QUERY_FREE_TRAIT)
#if !defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT) \
|| !defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
template <typename T>
struct static_query<T, execution::blocking_adaptation_t,
typename enable_if<
execution::detail::blocking_adaptation_t<0>::
query_static_constexpr_member<T>::is_valid
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
typedef typename execution::detail::blocking_adaptation_t<0>::
query_static_constexpr_member<T>::result_type result_type;
static ASIO_CONSTEXPR result_type value()
{
return execution::detail::blocking_adaptation_t<0>::
query_static_constexpr_member<T>::value();
}
};
template <typename T>
struct static_query<T, execution::blocking_adaptation_t,
typename enable_if<
!execution::detail::blocking_adaptation_t<0>::
query_static_constexpr_member<T>::is_valid
&& !execution::detail::blocking_adaptation_t<0>::
query_member<T>::is_valid
&& traits::static_query<T,
execution::blocking_adaptation_t::disallowed_t>::is_valid
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
typedef typename traits::static_query<T,
execution::blocking_adaptation_t::disallowed_t>::result_type result_type;
static ASIO_CONSTEXPR result_type value()
{
return traits::static_query<T,
execution::blocking_adaptation_t::disallowed_t>::value();
}
};
template <typename T>
struct static_query<T, execution::blocking_adaptation_t,
typename enable_if<
!execution::detail::blocking_adaptation_t<0>::
query_static_constexpr_member<T>::is_valid
&& !execution::detail::blocking_adaptation_t<0>::
query_member<T>::is_valid
&& !traits::static_query<T,
execution::blocking_adaptation_t::disallowed_t>::is_valid
&& traits::static_query<T,
execution::blocking_adaptation_t::allowed_t>::is_valid
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
typedef typename traits::static_query<T,
execution::blocking_adaptation_t::allowed_t>::result_type result_type;
static ASIO_CONSTEXPR result_type value()
{
return traits::static_query<T,
execution::blocking_adaptation_t::allowed_t>::value();
}
};
template <typename T>
struct static_query<T, execution::blocking_adaptation_t::disallowed_t,
typename enable_if<
execution::detail::blocking_adaptation::disallowed_t<0>::
query_static_constexpr_member<T>::is_valid
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
typedef typename execution::detail::blocking_adaptation::disallowed_t<0>::
query_static_constexpr_member<T>::result_type result_type;
static ASIO_CONSTEXPR result_type value()
{
return execution::detail::blocking_adaptation::disallowed_t<0>::
query_static_constexpr_member<T>::value();
}
};
template <typename T>
struct static_query<T, execution::blocking_adaptation_t::disallowed_t,
typename enable_if<
!execution::detail::blocking_adaptation::disallowed_t<0>::
query_static_constexpr_member<T>::is_valid
&& !execution::detail::blocking_adaptation::disallowed_t<0>::
query_member<T>::is_valid
&& !traits::query_free<T,
execution::blocking_adaptation_t::disallowed_t>::is_valid
&& !can_query<T, execution::blocking_adaptation_t::allowed_t>::value
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
typedef execution::blocking_adaptation_t::disallowed_t result_type;
static ASIO_CONSTEXPR result_type value()
{
return result_type();
}
};
template <typename T>
struct static_query<T, execution::blocking_adaptation_t::allowed_t,
typename enable_if<
execution::detail::blocking_adaptation::allowed_t<0>::
query_static_constexpr_member<T>::is_valid
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
typedef typename execution::detail::blocking_adaptation::allowed_t<0>::
query_static_constexpr_member<T>::result_type result_type;
static ASIO_CONSTEXPR result_type value()
{
return execution::detail::blocking_adaptation::allowed_t<0>::
query_static_constexpr_member<T>::value();
}
};
#endif // !defined(ASIO_HAS_DEDUCED_STATIC_QUERY_TRAIT)
// || !defined(ASIO_HAS_SFINAE_VARIABLE_TEMPLATES)
#if !defined(ASIO_HAS_DEDUCED_STATIC_REQUIRE_TRAIT)
template <typename T>
struct static_require<T, execution::blocking_adaptation_t::disallowed_t,
typename enable_if<
static_query<T, execution::blocking_adaptation_t::disallowed_t>::is_valid
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid =
(is_same<typename static_query<T,
execution::blocking_adaptation_t::disallowed_t>::result_type,
execution::blocking_adaptation_t::disallowed_t>::value));
};
template <typename T>
struct static_require<T, execution::blocking_adaptation_t::allowed_t,
typename enable_if<
static_query<T, execution::blocking_adaptation_t::allowed_t>::is_valid
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid =
(is_same<typename static_query<T,
execution::blocking_adaptation_t::allowed_t>::result_type,
execution::blocking_adaptation_t::allowed_t>::value));
};
#endif // !defined(ASIO_HAS_DEDUCED_STATIC_REQUIRE_TRAIT)
#if !defined(ASIO_HAS_DEDUCED_REQUIRE_FREE_TRAIT)
template <typename T>
struct require_free_default<T, execution::blocking_adaptation_t::allowed_t,
typename enable_if<
is_same<T, typename decay<T>::type>::value
&& execution::is_executor<T>::value
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = false);
typedef execution::detail::blocking_adaptation::adapter<T> result_type;
};
#endif // !defined(ASIO_HAS_DEDUCED_REQUIRE_FREE_TRAIT)
#if !defined(ASIO_HAS_DEDUCED_EQUALITY_COMPARABLE_TRAIT)
template <typename Executor>
struct equality_comparable<
execution::detail::blocking_adaptation::adapter<Executor> >
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
};
#endif // !defined(ASIO_HAS_DEDUCED_EQUALITY_COMPARABLE_TRAIT)
#if !defined(ASIO_HAS_DEDUCED_EXECUTE_MEMBER_TRAIT)
template <typename Executor, typename Function>
struct execute_member<
execution::detail::blocking_adaptation::adapter<Executor>, Function>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = false);
typedef void result_type;
};
#endif // !defined(ASIO_HAS_DEDUCED_EXECUTE_MEMBER_TRAIT)
#if !defined(ASIO_HAS_DEDUCED_QUERY_STATIC_CONSTEXPR_MEMBER_TRAIT)
template <typename Executor, int I>
struct query_static_constexpr_member<
execution::detail::blocking_adaptation::adapter<Executor>,
execution::detail::blocking_adaptation_t<I> >
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
typedef execution::blocking_adaptation_t::allowed_t result_type;
static ASIO_CONSTEXPR result_type value() ASIO_NOEXCEPT
{
return result_type();
}
};
template <typename Executor, int I>
struct query_static_constexpr_member<
execution::detail::blocking_adaptation::adapter<Executor>,
execution::detail::blocking_adaptation::allowed_t<I> >
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
typedef execution::blocking_adaptation_t::allowed_t result_type;
static ASIO_CONSTEXPR result_type value() ASIO_NOEXCEPT
{
return result_type();
}
};
template <typename Executor, int I>
struct query_static_constexpr_member<
execution::detail::blocking_adaptation::adapter<Executor>,
execution::detail::blocking_adaptation::disallowed_t<I> >
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
typedef execution::blocking_adaptation_t::allowed_t result_type;
static ASIO_CONSTEXPR result_type value() ASIO_NOEXCEPT
{
return result_type();
}
};
#endif // !defined(ASIO_HAS_DEDUCED_QUERY_STATIC_CONSTEXPR_MEMBER_TRAIT)
#if !defined(ASIO_HAS_DEDUCED_QUERY_MEMBER_TRAIT)
template <typename Executor, typename Property>
struct query_member<
execution::detail::blocking_adaptation::adapter<Executor>, Property,
typename enable_if<
can_query<const Executor&, Property>::value
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept =
(is_nothrow_query<Executor, Property>::value));
typedef typename query_result<Executor, Property>::type result_type;
};
#endif // !defined(ASIO_HAS_DEDUCED_QUERY_MEMBER_TRAIT)
#if !defined(ASIO_HAS_DEDUCED_REQUIRE_MEMBER_TRAIT)
template <typename Executor, int I>
struct require_member<
execution::detail::blocking_adaptation::adapter<Executor>,
execution::detail::blocking_adaptation::disallowed_t<I> >
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept = true);
typedef Executor result_type;
};
template <typename Executor, typename Property>
struct require_member<
execution::detail::blocking_adaptation::adapter<Executor>, Property,
typename enable_if<
can_require<const Executor&, Property>::value
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept =
(is_nothrow_require<Executor, Property>::value));
typedef execution::detail::blocking_adaptation::adapter<typename decay<
typename require_result<Executor, Property>::type
>::type> result_type;
};
#endif // !defined(ASIO_HAS_DEDUCED_REQUIRE_MEMBER_TRAIT)
#if !defined(ASIO_HAS_DEDUCED_PREFER_MEMBER_TRAIT)
template <typename Executor, typename Property>
struct prefer_member<
execution::detail::blocking_adaptation::adapter<Executor>, Property,
typename enable_if<
can_prefer<const Executor&, Property>::value
>::type>
{
ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
ASIO_STATIC_CONSTEXPR(bool, is_noexcept =
(is_nothrow_prefer<Executor, Property>::value));
typedef execution::detail::blocking_adaptation::adapter<typename decay<
typename prefer_result<Executor, Property>::type
>::type> result_type;
};
#endif // !defined(ASIO_HAS_DEDUCED_PREFER_MEMBER_TRAIT)
} // namespace traits
#endif // defined(GENERATING_DOCUMENTATION)
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_EXECUTION_BLOCKING_ADAPTATION_HPP
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