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Diffstat (limited to 'boost/asio/detail/null_signal_blocker.hpp')
-rw-r--r-- | boost/asio/detail/null_signal_blocker.hpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/boost/asio/detail/null_signal_blocker.hpp b/boost/asio/detail/null_signal_blocker.hpp new file mode 100644 index 0000000000..5eeb293165 --- /dev/null +++ b/boost/asio/detail/null_signal_blocker.hpp @@ -0,0 +1,71 @@ +// +// detail/null_signal_blocker.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2012 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_DETAIL_NULL_SIGNAL_BLOCKER_HPP +#define BOOST_ASIO_DETAIL_NULL_SIGNAL_BLOCKER_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/config.hpp> + +#if !defined(BOOST_HAS_THREADS) \ + || defined(BOOST_ASIO_DISABLE_THREADS) \ + || defined(BOOST_WINDOWS) \ + || defined(__CYGWIN__) \ + || defined(__SYMBIAN32__) + +#include <boost/asio/detail/noncopyable.hpp> + +#include <boost/asio/detail/push_options.hpp> + +namespace boost { +namespace asio { +namespace detail { + +class null_signal_blocker + : private noncopyable +{ +public: + // Constructor blocks all signals for the calling thread. + null_signal_blocker() + { + } + + // Destructor restores the previous signal mask. + ~null_signal_blocker() + { + } + + // Block all signals for the calling thread. + void block() + { + } + + // Restore the previous signal mask. + void unblock() + { + } +}; + +} // namespace detail +} // namespace asio +} // namespace boost + +#include <boost/asio/detail/pop_options.hpp> + +#endif // !defined(BOOST_HAS_THREADS) + // || defined(BOOST_ASIO_DISABLE_THREADS) + // || defined(BOOST_WINDOWS) + // || defined(__CYGWIN__) + // || defined(__SYMBIAN32__) + +#endif // BOOST_ASIO_DETAIL_NULL_SIGNAL_BLOCKER_HPP |