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Diffstat (limited to '3rdparty/asio/include/asio/execution/scheduler.hpp')
-rw-r--r-- | 3rdparty/asio/include/asio/execution/scheduler.hpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/3rdparty/asio/include/asio/execution/scheduler.hpp b/3rdparty/asio/include/asio/execution/scheduler.hpp new file mode 100644 index 00000000000..b99ab3c7e9f --- /dev/null +++ b/3rdparty/asio/include/asio/execution/scheduler.hpp @@ -0,0 +1,86 @@ +// +// execution/scheduler.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_SCHEDULER_HPP +#define ASIO_EXECUTION_SCHEDULER_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/type_traits.hpp" +#include "asio/execution/schedule.hpp" +#include "asio/traits/equality_comparable.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { +namespace execution { +namespace detail { + +template <typename T> +struct is_scheduler_base : + integral_constant<bool, + is_copy_constructible<typename remove_cvref<T>::type>::value + && traits::equality_comparable<typename remove_cvref<T>::type>::is_valid + > +{ +}; + +} // namespace detail + +/// The is_scheduler trait detects whether a type T satisfies the +/// execution::scheduler concept. +/** + * Class template @c is_scheduler is a type trait that is derived from @c + * true_type if the type @c T meets the concept definition for a scheduler for + * error type @c E, otherwise @c false_type. + */ +template <typename T> +struct is_scheduler : +#if defined(GENERATING_DOCUMENTATION) + integral_constant<bool, automatically_determined> +#else // defined(GENERATING_DOCUMENTATION) + conditional< + can_schedule<T>::value, + detail::is_scheduler_base<T>, + false_type + >::type +#endif // defined(GENERATING_DOCUMENTATION) +{ +}; + +#if defined(ASIO_HAS_VARIABLE_TEMPLATES) + +template <typename T> +ASIO_CONSTEXPR const bool is_scheduler_v = is_scheduler<T>::value; + +#endif // defined(ASIO_HAS_VARIABLE_TEMPLATES) + +#if defined(ASIO_HAS_CONCEPTS) + +template <typename T> +ASIO_CONCEPT scheduler = is_scheduler<T>::value; + +#define ASIO_EXECUTION_SCHEDULER ::asio::execution::scheduler + +#else // defined(ASIO_HAS_CONCEPTS) + +#define ASIO_EXECUTION_SCHEDULER typename + +#endif // defined(ASIO_HAS_CONCEPTS) + +} // namespace execution +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#endif // ASIO_EXECUTION_SCHEDULER_HPP |