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1 | // Copyright (C) 2014 Ian Forbed |
2 | // Copyright (C) 2014 Vicente J. Botet Escriba | |
3 | // | |
4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
6 | // | |
7 | ||
8 | #ifndef BOOST_THREAD_EXECUTORS_DETAIL_PRIORITY_EXECUTOR_BASE_HPP | |
9 | #define BOOST_THREAD_EXECUTORS_DETAIL_PRIORITY_EXECUTOR_BASE_HPP | |
10 | ||
11 | #include <boost/atomic.hpp> | |
12 | #include <boost/function.hpp> | |
13 | #include <boost/thread/thread.hpp> | |
14 | #include <boost/thread/concurrent_queues/sync_timed_queue.hpp> | |
15 | #include <boost/thread/executors/work.hpp> | |
16 | ||
17 | namespace boost | |
18 | { | |
19 | namespace executors | |
20 | { | |
21 | namespace detail | |
22 | { | |
23 | template <class Queue> | |
24 | class priority_executor_base | |
25 | { | |
26 | public: | |
27 | //typedef boost::function<void()> work; | |
28 | typedef executors::work_pq work; | |
29 | protected: | |
30 | typedef Queue queue_type; | |
31 | queue_type _workq; | |
32 | ||
33 | priority_executor_base() {} | |
34 | public: | |
35 | ||
36 | ~priority_executor_base() | |
37 | { | |
38 | if(!closed()) | |
39 | { | |
40 | this->close(); | |
41 | } | |
42 | } | |
43 | ||
44 | void close() | |
45 | { | |
46 | _workq.close(); | |
47 | } | |
48 | ||
49 | bool closed() | |
50 | { | |
51 | return _workq.closed(); | |
52 | } | |
53 | ||
54 | void loop() | |
55 | { | |
56 | try | |
57 | { | |
58 | for(;;) | |
59 | { | |
60 | work task; | |
61 | queue_op_status st = _workq.wait_pull(task); | |
62 | if (st == queue_op_status::closed) return; | |
63 | task(); | |
64 | } | |
65 | } | |
66 | catch (...) | |
67 | { | |
68 | std::terminate(); | |
69 | return; | |
70 | } | |
71 | } | |
72 | }; //end class | |
73 | ||
74 | } //end detail namespace | |
75 | } //end executors namespace | |
76 | } //end boost namespace | |
77 | #endif |