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
18namespace 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
99