asio/detail/signal_blocker.hpp

0001 //
0002 // detail/signal_blocker.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_DETAIL_SIGNAL_BLOCKER_HPP
0012 #define BOOST_ASIO_DETAIL_SIGNAL_BLOCKER_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
0020 #if !defined(BOOST_ASIO_HAS_THREADS) || defined(BOOST_ASIO_WINDOWS) \
0021   || defined(BOOST_ASIO_WINDOWS_RUNTIME) \
0022   || defined(__CYGWIN__) || defined(__SYMBIAN32__)
0023 # include <boost/asio/detail/null_signal_blocker.hpp>
0024 #elif defined(BOOST_ASIO_HAS_PTHREADS)
0025 # include <boost/asio/detail/posix_signal_blocker.hpp>
0026 #else
0027 # error Only Windows and POSIX are supported!
0028 #endif
0029
0030 namespace boost {
0031 namespace asio {
0032 namespace detail {
0033
0034 #if !defined(BOOST_ASIO_HAS_THREADS) || defined(BOOST_ASIO_WINDOWS) \
0035   || defined(BOOST_ASIO_WINDOWS_RUNTIME) \
0036   || defined(__CYGWIN__) || defined(__SYMBIAN32__)
0037 typedef null_signal_blocker signal_blocker;
0038 #elif defined(BOOST_ASIO_HAS_PTHREADS)
0039 typedef posix_signal_blocker signal_blocker;
0040 #endif
0041
0042 } // namespace detail
0043 } // namespace asio
0044 } // namespace boost
0045
0046 #endif // BOOST_ASIO_DETAIL_SIGNAL_BLOCKER_HPP