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//
// detail/null_signal_blocker.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2018 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 ASIO_DETAIL_NULL_SIGNAL_BLOCKER_HPP
#define ASIO_DETAIL_NULL_SIGNAL_BLOCKER_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#if !defined(ASIO_HAS_THREADS) \
|| defined(ASIO_WINDOWS) \
|| defined(ASIO_WINDOWS_RUNTIME) \
|| defined(__CYGWIN__) \
|| defined(__SYMBIAN32__)
#include "asio/detail/noncopyable.hpp"
#include "asio/detail/push_options.hpp"
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
#include "asio/detail/pop_options.hpp"
#endif // !defined(ASIO_HAS_THREADS)
// || defined(ASIO_WINDOWS)
// || defined(ASIO_WINDOWS_RUNTIME)
// || defined(__CYGWIN__)
// || defined(__SYMBIAN32__)
#endif // ASIO_DETAIL_NULL_SIGNAL_BLOCKER_HPP
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