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1 | // |
2 | // detail/win_static_mutex.hpp | |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
b32b8144 | 5 | // Copyright (c) 2003-2017 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_WIN_STATIC_MUTEX_HPP | |
12 | #define BOOST_ASIO_DETAIL_WIN_STATIC_MUTEX_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) | |
21 | ||
22 | #include <boost/asio/detail/scoped_lock.hpp> | |
23 | ||
24 | #include <boost/asio/detail/push_options.hpp> | |
25 | ||
26 | namespace boost { | |
27 | namespace asio { | |
28 | namespace detail { | |
29 | ||
30 | struct win_static_mutex | |
31 | { | |
32 | typedef boost::asio::detail::scoped_lock<win_static_mutex> scoped_lock; | |
33 | ||
34 | // Initialise the mutex. | |
35 | BOOST_ASIO_DECL void init(); | |
36 | ||
37 | // Initialisation must be performed in a separate function to the "public" | |
38 | // init() function since the compiler does not support the use of structured | |
39 | // exceptions and C++ exceptions in the same function. | |
40 | BOOST_ASIO_DECL int do_init(); | |
41 | ||
42 | // Lock the mutex. | |
43 | void lock() | |
44 | { | |
45 | ::EnterCriticalSection(&crit_section_); | |
46 | } | |
47 | ||
48 | // Unlock the mutex. | |
49 | void unlock() | |
50 | { | |
51 | ::LeaveCriticalSection(&crit_section_); | |
52 | } | |
53 | ||
54 | bool initialised_; | |
55 | ::CRITICAL_SECTION crit_section_; | |
56 | }; | |
57 | ||
58 | #if defined(UNDER_CE) | |
59 | # define BOOST_ASIO_WIN_STATIC_MUTEX_INIT { false, { 0, 0, 0, 0, 0 } } | |
60 | #else // defined(UNDER_CE) | |
61 | # define BOOST_ASIO_WIN_STATIC_MUTEX_INIT { false, { 0, 0, 0, 0, 0, 0 } } | |
62 | #endif // defined(UNDER_CE) | |
63 | ||
64 | } // namespace detail | |
65 | } // namespace asio | |
66 | } // namespace boost | |
67 | ||
68 | #include <boost/asio/detail/pop_options.hpp> | |
69 | ||
70 | #if defined(BOOST_ASIO_HEADER_ONLY) | |
71 | # include <boost/asio/detail/impl/win_static_mutex.ipp> | |
72 | #endif // defined(BOOST_ASIO_HEADER_ONLY) | |
73 | ||
74 | #endif // defined(BOOST_ASIO_WINDOWS) | |
75 | ||
76 | #endif // BOOST_ASIO_DETAIL_WIN_STATIC_MUTEX_HPP |