1 // 2 // detail/signal_blocker.hpp 3 // ~~~~~~~~~~~~~~~~~~~~~~~~~ 4 // 5 // Copyright (c) 2003-2015 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_DETAIL_SIGNAL_BLOCKER_HPP 12 #define BOOST_ASIO_DETAIL_SIGNAL_BLOCKER_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 20 #if !defined(BOOST_ASIO_HAS_THREADS) || defined(BOOST_ASIO_WINDOWS) \ 21 || defined(BOOST_ASIO_WINDOWS_RUNTIME) \ 22 || defined(__CYGWIN__) || defined(__SYMBIAN32__) 23 # include <boost/asio/detail/null_signal_blocker.hpp> 24 #elif defined(BOOST_ASIO_HAS_PTHREADS) 25 # include <boost/asio/detail/posix_signal_blocker.hpp> 26 #else 27 # error Only Windows and POSIX are supported! 28 #endif 29 30 namespace boost { 31 namespace asio { 32 namespace detail { 33 34 #if !defined(BOOST_ASIO_HAS_THREADS) || defined(BOOST_ASIO_WINDOWS) \ 35 || defined(BOOST_ASIO_WINDOWS_RUNTIME) \ 36 || defined(__CYGWIN__) || defined(__SYMBIAN32__) 37 typedef null_signal_blocker signal_blocker; 38 #elif defined(BOOST_ASIO_HAS_PTHREADS) 39 typedef posix_signal_blocker signal_blocker; 40 #endif 41 42 } // namespace detail 43 } // namespace asio 44 } // namespace boost 45 46 #endif // BOOST_ASIO_DETAIL_SIGNAL_BLOCKER_HPP 47