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1 | ////////////////////////////////////////////////////////////////////////////// |
2 | // | |
3 | // (C) Copyright Vicente J. Botet Escriba 2008-2009,2012. Distributed under the Boost | |
4 | // Software License, Version 1.0. (See accompanying file | |
5 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
6 | // | |
7 | // See http://www.boost.org/libs/thread for documentation. | |
8 | // | |
9 | ////////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | #ifndef BOOST_THREAD_POLY_SHARED_LOCKABLE_HPP | |
12 | #define BOOST_THREAD_POLY_SHARED_LOCKABLE_HPP | |
13 | ||
14 | #include <boost/thread/poly_lockable.hpp> | |
15 | #include <boost/chrono/chrono.hpp> | |
16 | ||
17 | namespace boost | |
18 | { | |
19 | ||
20 | ||
21 | //[shared_poly_lockable | |
22 | class shared_poly_lockable: public timed_poly_lockable | |
23 | { | |
24 | public: | |
25 | virtual ~shared_poly_lockable() = 0; | |
26 | ||
27 | virtual void lock_shared() = 0; | |
28 | virtual bool try_lock_shared() = 0; | |
29 | virtual void unlock_shared() = 0; | |
30 | ||
31 | virtual bool try_lock_shared_until(chrono::system_clock::time_point const & abs_time)=0; | |
32 | virtual bool try_lock_shared_until(chrono::steady_clock::time_point const & abs_time)=0; | |
33 | template <typename Clock, typename Duration> | |
34 | bool try_lock_shared_until(chrono::time_point<Clock, Duration> const & abs_time) | |
35 | { | |
36 | return try_lock_shared_until(time_point_cast<Clock::time_point>(abs_time)); | |
37 | } | |
38 | ||
39 | virtual bool try_lock_shared_for(chrono::nanoseconds const & relative_time)=0; | |
40 | template <typename Rep, typename Period> | |
41 | bool try_lock_shared_for(chrono::duration<Rep, Period> const & rel_time) | |
42 | { | |
43 | return try_lock_shared_for(duration_cast<Clock::duration>(rel_time)); | |
44 | } | |
45 | ||
46 | }; | |
47 | ||
48 | //] | |
49 | ||
50 | //[upgrade_poly_lockable | |
51 | class upgrade_poly_lockable: public shared_poly_lockable | |
52 | { | |
53 | public: | |
54 | virtual ~upgrade_poly_lockable() = 0; | |
55 | ||
56 | virtual void lock_upgrade() = 0; | |
57 | virtual bool try_lock_upgrade() = 0; | |
58 | virtual void unlock_upgrade() = 0; | |
59 | ||
60 | virtual bool try_lock_upgrade_until(chrono::system_clock::time_point const & abs_time)=0; | |
61 | virtual bool try_lock_upgrade_until(chrono::steady_clock::time_point const & abs_time)=0; | |
62 | template <typename Clock, typename Duration> | |
63 | bool try_lock_upgrade_until(chrono::time_point<Clock, Duration> const & abs_time) | |
64 | { | |
65 | return try_lock_upgrade_until(time_point_cast<Clock::time_point>(abs_time)); | |
66 | } | |
67 | ||
68 | virtual bool try_lock_upgrade_for(chrono::nanoseconds const & relative_time)=0; | |
69 | template <typename Rep, typename Period> | |
70 | bool try_lock_upgrade_for(chrono::duration<Rep, Period> const & rel_time) | |
71 | { | |
72 | return try_lock_upgrade_for(duration_cast<Clock::duration>(rel_time)); | |
73 | } | |
74 | ||
75 | virtual bool try_unlock_shared_and_lock() = 0; | |
76 | ||
77 | virtual bool try_unlock_shared_and_lock_until(chrono::system_clock::time_point const & abs_time)=0; | |
78 | virtual bool try_unlock_shared_and_lock_until(chrono::steady_clock::time_point const & abs_time)=0; | |
79 | template <typename Clock, typename Duration> | |
80 | bool try_unlock_shared_and_lock_until(chrono::time_point<Clock, Duration> const & abs_time) | |
81 | { | |
82 | return try_unlock_shared_and_lock_until(time_point_cast<Clock::time_point>(abs_time)); | |
83 | } | |
84 | ||
85 | virtual bool try_unlock_shared_and_lock_for(chrono::nanoseconds const & relative_time)=0; | |
86 | template <typename Rep, typename Period> | |
87 | bool try_unlock_shared_and_lock_for(chrono::duration<Rep, Period> const & rel_time) | |
88 | { | |
89 | return try_unlock_shared_and_lock_for(duration_cast<Clock::duration>(rel_time)); | |
90 | } | |
91 | ||
92 | virtual void unlock_and_lock_shared() = 0; | |
93 | virtual bool try_unlock_shared_and_lock_upgrade() = 0; | |
94 | ||
95 | virtual bool try_unlock_shared_and_lock_upgrade_until(chrono::system_clock::time_point const & abs_time)=0; | |
96 | virtual bool try_unlock_shared_and_lock_upgrade_until(chrono::steady_clock::time_point const & abs_time)=0; | |
97 | template <typename Clock, typename Duration> | |
98 | bool try_unlock_shared_and_lock_upgrade_until(chrono::time_point<Clock, Duration> const & abs_time) | |
99 | { | |
100 | return try_unlock_shared_and_lock_upgrade_until(time_point_cast<Clock::time_point>(abs_time)); | |
101 | } | |
102 | ||
103 | virtual bool try_unlock_shared_and_lock_upgrade_for(chrono::nanoseconds const & relative_time)=0; | |
104 | template <typename Rep, typename Period> | |
105 | bool try_unlock_shared_and_lock_upgrade_for(chrono::duration<Rep, Period> const & rel_time) | |
106 | { | |
107 | return try_unlock_shared_and_lock_upgrade_for(duration_cast<Clock::duration>(rel_time)); | |
108 | } | |
109 | ||
110 | virtual void unlock_and_lock_upgrade() = 0; | |
111 | virtual void unlock_upgrade_and_lock() = 0; | |
112 | virtual bool try_unlock_upgrade_and_lock() = 0; | |
113 | ||
114 | virtual bool try_unlock_upgrade_and_lock_until(chrono::system_clock::time_point const & abs_time)=0; | |
115 | virtual bool try_unlock_upgrade_and_lock_until(chrono::steady_clock::time_point const & abs_time)=0; | |
116 | template <typename Clock, typename Duration> | |
117 | bool try_unlock_upgrade_and_lock_until(chrono::time_point<Clock, Duration> const & abs_time) | |
118 | { | |
119 | return try_unlock_upgrade_and_lock_until(time_point_cast<Clock::time_point>(abs_time)); | |
120 | } | |
121 | ||
122 | virtual bool try_unlock_upgrade_and_lock_for(chrono::nanoseconds const & relative_time)=0; | |
123 | template <typename Rep, typename Period> | |
124 | bool try_unlock_upgrade_and_lock_for(chrono::duration<Rep, Period> const & rel_time) | |
125 | { | |
126 | return try_unlock_upgrade_and_lock_for(duration_cast<Clock::duration>(rel_time)); | |
127 | } | |
128 | ||
129 | virtual void unlock_upgrade_and_lock_shared() = 0; | |
130 | ||
131 | }; | |
132 | //] | |
133 | ||
134 | } | |
135 | #endif |