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1 | |
2 | // Copyright Oliver Kowalke 2013. | |
3 | // Distributed under the Boost Software License, Version 1.0. | |
4 | // (See accompanying file LICENSE_1_0.txt or copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt) | |
6 | ||
7 | #ifndef BOOST_FIBERS_MUTEX_H | |
8 | #define BOOST_FIBERS_MUTEX_H | |
9 | ||
10 | #include <boost/config.hpp> | |
11 | ||
12 | #include <boost/assert.hpp> | |
13 | ||
14 | #include <boost/fiber/context.hpp> | |
15 | #include <boost/fiber/detail/config.hpp> | |
16 | #include <boost/fiber/detail/spinlock.hpp> | |
17 | ||
18 | #ifdef BOOST_HAS_ABI_HEADERS | |
19 | # include BOOST_ABI_PREFIX | |
20 | #endif | |
21 | ||
22 | #ifdef _MSC_VER | |
23 | # pragma warning(push) | |
24 | # pragma warning(disable:4251) | |
25 | #endif | |
26 | ||
27 | namespace boost { | |
28 | namespace fibers { | |
29 | ||
30 | class condition_variable; | |
31 | ||
32 | class BOOST_FIBERS_DECL mutex { | |
33 | private: | |
34 | friend class condition_variable; | |
35 | ||
b32b8144 | 36 | typedef context::wait_queue_t wait_queue_type; |
7c673cae | 37 | |
7c673cae | 38 | detail::spinlock wait_queue_splk_{}; |
b32b8144 FG |
39 | wait_queue_type wait_queue_{}; |
40 | context * owner_{ nullptr }; | |
7c673cae FG |
41 | |
42 | public: | |
43 | mutex() = default; | |
44 | ||
45 | ~mutex() { | |
46 | BOOST_ASSERT( nullptr == owner_); | |
47 | BOOST_ASSERT( wait_queue_.empty() ); | |
48 | } | |
49 | ||
50 | mutex( mutex const&) = delete; | |
51 | mutex & operator=( mutex const&) = delete; | |
52 | ||
53 | void lock(); | |
54 | ||
55 | bool try_lock(); | |
56 | ||
57 | void unlock(); | |
58 | }; | |
59 | ||
60 | }} | |
61 | ||
62 | #ifdef _MSC_VER | |
63 | # pragma warning(pop) | |
64 | #endif | |
65 | ||
66 | #ifdef BOOST_HAS_ABI_HEADERS | |
67 | # include BOOST_ABI_SUFFIX | |
68 | #endif | |
69 | ||
70 | #endif // BOOST_FIBERS_MUTEX_H |