63e88f80
 Hu Chunming
提交三方库
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//
// multiple_exceptions.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2022 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 BOOST_ASIO_MULTIPLE_EXCEPTIONS_HPP
#define BOOST_ASIO_MULTIPLE_EXCEPTIONS_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/config.hpp>
#include <exception>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
#if defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR) \
|| defined(GENERATING_DOCUMENTATION)
/// Exception thrown when there are multiple pending exceptions to rethrow.
class multiple_exceptions
: public std::exception
{
public:
/// Constructor.
BOOST_ASIO_DECL multiple_exceptions(
std::exception_ptr first) BOOST_ASIO_NOEXCEPT;
/// Obtain message associated with exception.
BOOST_ASIO_DECL virtual const char* what() const
BOOST_ASIO_NOEXCEPT_OR_NOTHROW;
/// Obtain a pointer to the first exception.
BOOST_ASIO_DECL std::exception_ptr first_exception() const;
private:
std::exception_ptr first_;
};
#endif // defined(BOOST_ASIO_HAS_STD_EXCEPTION_PTR)
// || defined(GENERATING_DOCUMENTATION)
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#if defined(BOOST_ASIO_HEADER_ONLY)
# include <boost/asio/impl/multiple_exceptions.ipp>
#endif // defined(BOOST_ASIO_HEADER_ONLY)
#endif // BOOST_ASIO_MULTIPLE_EXCEPTIONS_HPP
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