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1 | // |
2 | // detail/local_free_on_block_exit.hpp | |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
1e59de90 | 5 | // Copyright (c) 2003-2022 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
7c673cae FG |
6 | // |
7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
9 | // | |
10 | ||
11 | #ifndef BOOST_ASIO_DETAIL_LOCAL_FREE_ON_BLOCK_EXIT_HPP | |
12 | #define BOOST_ASIO_DETAIL_LOCAL_FREE_ON_BLOCK_EXIT_HPP | |
13 | ||
14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
15 | # pragma once | |
16 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | |
17 | ||
18 | #include <boost/asio/detail/config.hpp> | |
19 | ||
20 | #if defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__) | |
21 | #if !defined(BOOST_ASIO_WINDOWS_APP) | |
22 | ||
23 | #include <boost/asio/detail/noncopyable.hpp> | |
24 | #include <boost/asio/detail/socket_types.hpp> | |
25 | ||
26 | #include <boost/asio/detail/push_options.hpp> | |
27 | ||
28 | namespace boost { | |
29 | namespace asio { | |
30 | namespace detail { | |
31 | ||
32 | class local_free_on_block_exit | |
33 | : private noncopyable | |
34 | { | |
35 | public: | |
36 | // Constructor blocks all signals for the calling thread. | |
37 | explicit local_free_on_block_exit(void* p) | |
38 | : p_(p) | |
39 | { | |
40 | } | |
41 | ||
42 | // Destructor restores the previous signal mask. | |
43 | ~local_free_on_block_exit() | |
44 | { | |
45 | ::LocalFree(p_); | |
46 | } | |
47 | ||
48 | private: | |
49 | void* p_; | |
50 | }; | |
51 | ||
52 | } // namespace detail | |
53 | } // namespace asio | |
54 | } // namespace boost | |
55 | ||
56 | #include <boost/asio/detail/pop_options.hpp> | |
57 | ||
58 | #endif // !defined(BOOST_ASIO_WINDOWS_APP) | |
59 | #endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__) | |
60 | ||
61 | #endif // BOOST_ASIO_DETAIL_LOCAL_FREE_ON_BLOCK_EXIT_HPP |