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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 | // based on boost.thread | |
8 | ||
9 | #ifndef BOOST_fiber_errorS_H | |
10 | #define BOOST_fiber_errorS_H | |
11 | ||
12 | #include <future> | |
13 | #include <stdexcept> | |
14 | #include <string> | |
15 | #include <system_error> | |
16 | ||
17 | #include <boost/config.hpp> | |
18 | ||
19 | #include <boost/fiber/detail/config.hpp> | |
20 | ||
21 | #ifdef BOOST_HAS_ABI_HEADERS | |
22 | # include BOOST_ABI_PREFIX | |
23 | #endif | |
24 | ||
25 | namespace boost { | |
26 | namespace fibers { | |
27 | ||
28 | class fiber_error : public std::system_error { | |
29 | public: | |
30 | fiber_error( std::error_code ec) : | |
31 | std::system_error( ec) { | |
32 | } | |
33 | ||
34 | fiber_error( std::error_code ec, const char * what_arg) : | |
35 | std::system_error( ec, what_arg) { | |
36 | } | |
37 | ||
38 | fiber_error( std::error_code ec, std::string const& what_arg) : | |
39 | std::system_error( ec, what_arg) { | |
40 | } | |
41 | ||
42 | virtual ~fiber_error() = default; | |
43 | }; | |
44 | ||
45 | class lock_error : public fiber_error { | |
46 | public: | |
47 | lock_error( std::error_code ec) : | |
48 | fiber_error( ec) { | |
49 | } | |
50 | ||
51 | lock_error( std::error_code ec, const char * what_arg) : | |
52 | fiber_error( ec, what_arg) { | |
53 | } | |
54 | ||
55 | lock_error( std::error_code ec, std::string const& what_arg) : | |
56 | fiber_error( ec, what_arg) { | |
57 | } | |
58 | }; | |
59 | ||
60 | enum class future_errc { | |
61 | broken_promise = 1, | |
62 | future_already_retrieved, | |
63 | promise_already_satisfied, | |
64 | no_state | |
65 | }; | |
66 | ||
67 | BOOST_FIBERS_DECL | |
68 | std::error_category const& future_category() noexcept; | |
69 | ||
70 | }} | |
71 | ||
72 | namespace std { | |
73 | ||
74 | template<> | |
75 | struct is_error_code_enum< boost::fibers::future_errc > : public true_type { | |
76 | }; | |
77 | ||
78 | inline | |
79 | std::error_code make_error_code( boost::fibers::future_errc e) noexcept { | |
80 | return std::error_code( static_cast< int >( e), boost::fibers::future_category() ); | |
81 | } | |
82 | ||
83 | inline | |
84 | std::error_condition make_error_condition( boost::fibers::future_errc e) noexcept { | |
85 | return std::error_condition( static_cast< int >( e), boost::fibers::future_category() ); | |
86 | } | |
87 | ||
88 | } | |
89 | ||
90 | namespace boost { | |
91 | namespace fibers { | |
92 | ||
93 | class future_error : public fiber_error { | |
94 | public: | |
95 | future_error( std::error_code ec) : | |
96 | fiber_error( ec) { | |
97 | } | |
98 | }; | |
99 | ||
100 | class future_uninitialized : public future_error { | |
101 | public: | |
102 | future_uninitialized() : | |
103 | future_error( std::make_error_code( future_errc::no_state) ) { | |
104 | } | |
105 | }; | |
106 | ||
107 | class future_already_retrieved : public future_error { | |
108 | public: | |
109 | future_already_retrieved() : | |
110 | future_error( std::make_error_code( future_errc::future_already_retrieved) ) { | |
111 | } | |
112 | }; | |
113 | ||
114 | class broken_promise : public future_error { | |
115 | public: | |
116 | broken_promise() : | |
117 | future_error( std::make_error_code( future_errc::broken_promise) ) { | |
118 | } | |
119 | }; | |
120 | ||
121 | class promise_already_satisfied : public future_error { | |
122 | public: | |
123 | promise_already_satisfied() : | |
124 | future_error( std::make_error_code( future_errc::promise_already_satisfied) ) { | |
125 | } | |
126 | }; | |
127 | ||
128 | class promise_uninitialized : public future_error { | |
129 | public: | |
130 | promise_uninitialized() : | |
131 | future_error( std::make_error_code( future_errc::no_state) ) { | |
132 | } | |
133 | }; | |
134 | ||
135 | class packaged_task_uninitialized : public future_error { | |
136 | public: | |
137 | packaged_task_uninitialized() : | |
138 | future_error( std::make_error_code( future_errc::no_state) ) { | |
139 | } | |
140 | }; | |
141 | ||
142 | }} | |
143 | ||
144 | #ifdef BOOST_HAS_ABI_HEADERS | |
145 | # include BOOST_ABI_SUFFIX | |
146 | #endif | |
147 | ||
148 | #endif // BOOST_fiber_errorS_H |