forked from boostorg/beast
59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
//
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// Copyright (c) 2013-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/boostorg/beast
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//
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#ifndef BOOST_BEAST_EXAMPLE_COMMON_HELPERS_HPP
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#define BOOST_BEAST_EXAMPLE_COMMON_HELPERS_HPP
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#include <boost/asio/io_service.hpp>
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#include <boost/asio/signal_set.hpp>
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#include <ostream>
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#include <sstream>
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/// Block until SIGINT or SIGTERM is received.
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inline
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void
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sig_wait()
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{
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boost::asio::io_service ios{1};
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boost::asio::signal_set signals(ios, SIGINT, SIGTERM);
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signals.async_wait([&](boost::system::error_code const&, int){});
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ios.run();
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}
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namespace detail {
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inline
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void
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print_1(std::ostream&)
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{
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}
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template<class T1, class... TN>
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void
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print_1(std::ostream& os, T1 const& t1, TN const&... tn)
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{
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os << t1;
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print_1(os, tn...);
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}
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} // detail
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// compose a string to std::cout or std::cerr atomically
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//
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template<class...Args>
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void
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print(std::ostream& os, Args const&... args)
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{
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std::stringstream ss;
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detail::print_1(ss, args...);
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os << ss.str() << std::endl;
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}
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#endif
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