| // |
| // detail/local_free_on_block_exit.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2010 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_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_WINDOWS) || defined(__CYGWIN__) |
| |
| #endif // BOOST_ASIO_DETAIL_LOCAL_FREE_ON_BLOCK_EXIT_HPP |