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1 | // (C) Copyright 2008-10 Anthony Williams |
2 | // (C) Copyright 2011-2015 Vicente J. Botet Escriba | |
3 | // | |
4 | // Distributed under the Boost Software License, Version 1.0. (See | |
5 | // accompanying file LICENSE_1_0.txt or copy at | |
6 | // http://www.boost.org/LICENSE_1_0.txt) | |
7 | ||
8 | #ifndef BOOST_THREAD_FUTURES_FUTURE_ERROR_HPP | |
9 | #define BOOST_THREAD_FUTURES_FUTURE_ERROR_HPP | |
10 | ||
11 | #include <boost/thread/detail/config.hpp> | |
12 | ||
13 | #include <boost/thread/futures/future_error_code.hpp> | |
14 | #include <boost/system/error_code.hpp> | |
15 | ||
16 | #include <stdexcept> | |
17 | ||
18 | namespace boost | |
19 | { | |
20 | class BOOST_SYMBOL_VISIBLE future_error | |
21 | : public std::logic_error | |
22 | { | |
23 | system::error_code ec_; | |
24 | public: | |
25 | future_error(system::error_code ec) | |
26 | : logic_error(ec.message()), | |
27 | ec_(ec) | |
28 | { | |
29 | } | |
30 | ||
31 | const system::error_code& code() const BOOST_NOEXCEPT | |
32 | { | |
33 | return ec_; | |
34 | } | |
35 | }; | |
36 | ||
37 | class BOOST_SYMBOL_VISIBLE future_uninitialized: | |
38 | public future_error | |
39 | { | |
40 | public: | |
41 | future_uninitialized() : | |
42 | future_error(system::make_error_code(future_errc::no_state)) | |
43 | {} | |
44 | }; | |
45 | class BOOST_SYMBOL_VISIBLE broken_promise: | |
46 | public future_error | |
47 | { | |
48 | public: | |
49 | broken_promise(): | |
50 | future_error(system::make_error_code(future_errc::broken_promise)) | |
51 | {} | |
52 | }; | |
53 | class BOOST_SYMBOL_VISIBLE future_already_retrieved: | |
54 | public future_error | |
55 | { | |
56 | public: | |
57 | future_already_retrieved(): | |
58 | future_error(system::make_error_code(future_errc::future_already_retrieved)) | |
59 | {} | |
60 | }; | |
61 | class BOOST_SYMBOL_VISIBLE promise_already_satisfied: | |
62 | public future_error | |
63 | { | |
64 | public: | |
65 | promise_already_satisfied(): | |
66 | future_error(system::make_error_code(future_errc::promise_already_satisfied)) | |
67 | {} | |
68 | }; | |
69 | ||
70 | class BOOST_SYMBOL_VISIBLE task_already_started: | |
71 | public future_error | |
72 | { | |
73 | public: | |
74 | task_already_started(): | |
75 | future_error(system::make_error_code(future_errc::promise_already_satisfied)) | |
76 | {} | |
77 | }; | |
78 | ||
79 | class BOOST_SYMBOL_VISIBLE task_moved: | |
80 | public future_error | |
81 | { | |
82 | public: | |
83 | task_moved(): | |
84 | future_error(system::make_error_code(future_errc::no_state)) | |
85 | {} | |
86 | }; | |
87 | ||
88 | class promise_moved: | |
89 | public future_error | |
90 | { | |
91 | public: | |
92 | promise_moved(): | |
93 | future_error(system::make_error_code(future_errc::no_state)) | |
94 | {} | |
95 | }; | |
96 | } | |
97 | ||
98 | #endif // header |