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72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
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//
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// detail/null_signal_blocker.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff 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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#ifndef BOOST_ASIO_DETAIL_NULL_SIGNAL_BLOCKER_HPP
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#define BOOST_ASIO_DETAIL_NULL_SIGNAL_BLOCKER_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include <boost/asio/detail/config.hpp>
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#if !defined(BOOST_ASIO_HAS_THREADS) \
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|| defined(BOOST_ASIO_WINDOWS) \
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|| defined(BOOST_ASIO_WINDOWS_RUNTIME) \
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|| defined(__CYGWIN__) \
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|| defined(__SYMBIAN32__)
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#include <boost/asio/detail/noncopyable.hpp>
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#include <boost/asio/detail/push_options.hpp>
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namespace boost {
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namespace asio {
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namespace detail {
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class null_signal_blocker
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: private noncopyable
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{
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public:
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// Constructor blocks all signals for the calling thread.
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null_signal_blocker()
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{
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}
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// Destructor restores the previous signal mask.
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~null_signal_blocker()
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{
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}
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// Block all signals for the calling thread.
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void block()
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{
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}
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// Restore the previous signal mask.
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void unblock()
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{
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}
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};
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} // namespace detail
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} // namespace asio
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} // namespace boost
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#include <boost/asio/detail/pop_options.hpp>
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#endif // !defined(BOOST_ASIO_HAS_THREADS)
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// || defined(BOOST_ASIO_WINDOWS)
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// || defined(BOOST_ASIO_WINDOWS_RUNTIME)
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// || defined(__CYGWIN__)
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// || defined(__SYMBIAN32__)
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#endif // BOOST_ASIO_DETAIL_NULL_SIGNAL_BLOCKER_HPP
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