boost/asio/multiple_exceptions.hpp

0001 //
0002 // multiple_exceptions.hpp
0003 // ~~~~~~~~~~~~~~~~~~~~~~~
0004 //
0005 // Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
0006 //
0007 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0008 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0009 //
0010
0011 #ifndef BOOST_ASIO_MULTIPLE_EXCEPTIONS_HPP
0012 #define BOOST_ASIO_MULTIPLE_EXCEPTIONS_HPP
0013
0014 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
0015 # pragma once
0016 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
0017
0018 #include <boost/asio/detail/config.hpp>
0019 #include <exception>
0020 #include <boost/asio/detail/push_options.hpp>
0021
0022 namespace boost {
0023 namespace asio {
0024
0025 /// Exception thrown when there are multiple pending exceptions to rethrow.
0026 class multiple_exceptions
0027   : public std::exception
0028 {
0029 public:
0030   /// Constructor.
0031   BOOST_ASIO_DECL multiple_exceptions(
0032       std::exception_ptr first) noexcept;
0033
0034   /// Obtain message associated with exception.
0035   BOOST_ASIO_DECL virtual const char* what() const
0036     noexcept;
0037
0038   /// Obtain a pointer to the first exception.
0039   BOOST_ASIO_DECL std::exception_ptr first_exception() const;
0040
0041 private:
0042   std::exception_ptr first_;
0043 };
0044
0045 } // namespace asio
0046 } // namespace boost
0047
0048 #include <boost/asio/detail/pop_options.hpp>
0049
0050 #if defined(BOOST_ASIO_HEADER_ONLY)
0051 # include <boost/asio/impl/multiple_exceptions.ipp>
0052 #endif // defined(BOOST_ASIO_HEADER_ONLY)
0053
0054 #endif // BOOST_ASIO_MULTIPLE_EXCEPTIONS_HPP