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Diffstat (limited to '3rdparty/asio/include/asio/redirect_error.hpp')
-rw-r--r-- | 3rdparty/asio/include/asio/redirect_error.hpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/3rdparty/asio/include/asio/redirect_error.hpp b/3rdparty/asio/include/asio/redirect_error.hpp new file mode 100644 index 00000000000..524bd0b99a1 --- /dev/null +++ b/3rdparty/asio/include/asio/redirect_error.hpp @@ -0,0 +1,64 @@ +// +// redirect_error.hpp +// ~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2024 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_REDIRECT_ERROR_HPP +#define ASIO_REDIRECT_ERROR_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/error_code.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { + +/// A @ref completion_token adapter used to specify that an error produced by an +/// asynchronous operation is captured to an error_code variable. +/** + * The redirect_error_t class is used to indicate that any error_code produced + * by an asynchronous operation is captured to a specified variable. + */ +template <typename CompletionToken> +class redirect_error_t +{ +public: + /// Constructor. + template <typename T> + redirect_error_t(T&& completion_token, asio::error_code& ec) + : token_(static_cast<T&&>(completion_token)), + ec_(ec) + { + } + +//private: + CompletionToken token_; + asio::error_code& ec_; +}; + +/// Adapt a @ref completion_token to capture error_code values to a variable. +template <typename CompletionToken> +inline redirect_error_t<decay_t<CompletionToken>> redirect_error( + CompletionToken&& completion_token, asio::error_code& ec) +{ + return redirect_error_t<decay_t<CompletionToken>>( + static_cast<CompletionToken&&>(completion_token), ec); +} + +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#include "asio/impl/redirect_error.hpp" + +#endif // ASIO_REDIRECT_ERROR_HPP |