diff options
Diffstat (limited to 'boost/asio/detail/local_free_on_block_exit.hpp')
-rw-r--r-- | boost/asio/detail/local_free_on_block_exit.hpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/boost/asio/detail/local_free_on_block_exit.hpp b/boost/asio/detail/local_free_on_block_exit.hpp new file mode 100644 index 0000000000..bfa80b0f9f --- /dev/null +++ b/boost/asio/detail/local_free_on_block_exit.hpp @@ -0,0 +1,59 @@ +// +// detail/local_free_on_block_exit.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_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 |