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//
// detail/local_free_on_block_exit.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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_LOCAL_FREE_ON_BLOCK_EXIT_HPP
#define BOOST_ASIO_DETAIL_LOCAL_FREE_ON_BLOCK_EXIT_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_ASIO_WINDOWS) || defined(__CYGWIN__)
#include <boost/asio/detail/noncopyable.hpp>
#include <boost/asio/detail/socket_types.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace detail {
class local_free_on_block_exit
: private noncopyable
{
public:
// Constructor blocks all signals for the calling thread.
explicit local_free_on_block_exit(void* p)
: p_(p)
{
}
// Destructor restores the previous signal mask.
~local_free_on_block_exit()
{
::LocalFree(p_);
}
private:
void* p_;
};
} // namespace detail
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
#endif // BOOST_ASIO_DETAIL_LOCAL_FREE_ON_BLOCK_EXIT_HPP
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