]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | // |
2 | // detail/posix_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_POSIX_MUTEX_HPP | |
12 | #define BOOST_ASIO_DETAIL_POSIX_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_HAS_PTHREADS) | |
21 | ||
22 | #include <pthread.h> | |
23 | #include <boost/asio/detail/noncopyable.hpp> | |
24 | #include <boost/asio/detail/scoped_lock.hpp> | |
25 | ||
26 | #include <boost/asio/detail/push_options.hpp> | |
27 | ||
28 | namespace boost { | |
29 | namespace asio { | |
30 | namespace detail { | |
31 | ||
32 | class posix_event; | |
33 | ||
34 | class posix_mutex | |
35 | : private noncopyable | |
36 | { | |
37 | public: | |
38 | typedef boost::asio::detail::scoped_lock<posix_mutex> scoped_lock; | |
39 | ||
40 | // Constructor. | |
41 | BOOST_ASIO_DECL posix_mutex(); | |
42 | ||
43 | // Destructor. | |
44 | ~posix_mutex() | |
45 | { | |
46 | ::pthread_mutex_destroy(&mutex_); // Ignore EBUSY. | |
47 | } | |
48 | ||
49 | // Lock the mutex. | |
50 | void lock() | |
51 | { | |
52 | (void)::pthread_mutex_lock(&mutex_); // Ignore EINVAL. | |
53 | } | |
54 | ||
55 | // Unlock the mutex. | |
56 | void unlock() | |
57 | { | |
58 | (void)::pthread_mutex_unlock(&mutex_); // Ignore EINVAL. | |
59 | } | |
60 | ||
61 | private: | |
62 | friend class posix_event; | |
63 | ::pthread_mutex_t mutex_; | |
64 | }; | |
65 | ||
66 | } // namespace detail | |
67 | } // namespace asio | |
68 | } // namespace boost | |
69 | ||
70 | #include <boost/asio/detail/pop_options.hpp> | |
71 | ||
72 | #if defined(BOOST_ASIO_HEADER_ONLY) | |
73 | # include <boost/asio/detail/impl/posix_mutex.ipp> | |
74 | #endif // defined(BOOST_ASIO_HEADER_ONLY) | |
75 | ||
76 | #endif // defined(BOOST_ASIO_HAS_PTHREADS) | |
77 | ||
78 | #endif // BOOST_ASIO_DETAIL_POSIX_MUTEX_HPP |