60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
//
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// detail/local_free_on_block_exit.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef ASIO_DETAIL_LOCAL_FREE_ON_BLOCK_EXIT_HPP
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#define ASIO_DETAIL_LOCAL_FREE_ON_BLOCK_EXIT_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/config.hpp"
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#if defined(ASIO_WINDOWS) || defined(__CYGWIN__)
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#if !defined(ASIO_WINDOWS_APP)
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#include "asio/detail/noncopyable.hpp"
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#include "asio/detail/socket_types.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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namespace detail {
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class local_free_on_block_exit
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: private noncopyable
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{
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public:
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// Constructor blocks all signals for the calling thread.
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explicit local_free_on_block_exit(void* p)
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: p_(p)
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{
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}
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// Destructor restores the previous signal mask.
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~local_free_on_block_exit()
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{
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::LocalFree(p_);
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}
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private:
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void* p_;
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};
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} // namespace detail
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // !defined(ASIO_WINDOWS_APP)
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#endif // defined(ASIO_WINDOWS) || defined(__CYGWIN__)
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#endif // ASIO_DETAIL_LOCAL_FREE_ON_BLOCK_EXIT_HPP
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