1 // 2 // multiple_exceptions.hpp 3 // ~~~~~~~~~~~~~~~~~~~~~~~ 4 // 5 // Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com) 6 // 7 // Distributed under the Boost Software License, Version 1.0. (See accompanying 8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 9 // 10 11 #ifndef BOOST_ASIO_MULTIPLE_EXCEPTIONS_HPP 12 #define BOOST_ASIO_MULTIPLE_EXCEPTIONS_HPP 13 14 #if defined(_MSC_VER) && (_MSC_VER >= 1200) 15 # pragma once 16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) 17 18 #include <boost/asio/detail/config.hpp> 19 #include <exception> 20 #include <boost/asio/detail/push_options.hpp> 21 22 namespace boost { 23 namespace asio { 24 25 #if defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR) \ 26 || defined(GENERATING_DOCUMENTATION) 27 28 /// Exception thrown when there are multiple pending exceptions to rethrow. 29 class multiple_exceptions 30 : public std::exception 31 { 32 public: 33 /// Constructor. 34 BOOST_ASIO_DECL multiple_exceptions( 35 std::exception_ptr first) BOOST_ASIO_NOEXCEPT; 36 37 /// Obtain message associated with exception. 38 BOOST_ASIO_DECL virtual const char* what() const 39 BOOST_ASIO_NOEXCEPT_OR_NOTHROW; 40 41 /// Obtain a pointer to the first exception. 42 BOOST_ASIO_DECL std::exception_ptr first_exception() const; 43 44 private: 45 std::exception_ptr first_; 46 }; 47 48 #endif // defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR) 49 // || defined(GENERATING_DOCUMENTATION) 50 51 } // namespace asio 52 } // namespace boost 53 54 #include <boost/asio/detail/pop_options.hpp> 55 56 #if defined(BOOST_ASIO_HEADER_ONLY) 57 # include <boost/asio/impl/multiple_exceptions.ipp> 58 #endif // defined(BOOST_ASIO_HEADER_ONLY) 59 60 #endif // BOOST_ASIO_MULTIPLE_EXCEPTIONS_HPP 61