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c910ceff JW |
1 | // future -*- C++ -*- |
2 | ||
a14dd08a | 3 | // Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc. |
c910ceff JW |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // Under Section 7 of GPL version 3, you are granted additional | |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
24 | ||
25 | #include <future> | |
26 | ||
c910ceff JW |
27 | namespace |
28 | { | |
29 | struct future_error_category : public std::error_category | |
30 | { | |
6ad86a5b FC |
31 | future_error_category() {} |
32 | ||
c910ceff JW |
33 | virtual const char* |
34 | name() const | |
35 | { return "future"; } | |
36 | ||
37 | virtual std::string message(int __ec) const | |
38 | { | |
39 | std::string __msg; | |
40 | switch (std::future_errc(__ec)) | |
41 | { | |
42 | case std::future_errc::broken_promise: | |
43 | __msg = "Broken promise"; | |
44 | break; | |
45 | case std::future_errc::future_already_retrieved: | |
46 | __msg = "Future already retrieved"; | |
47 | break; | |
48 | case std::future_errc::promise_already_satisfied: | |
49 | __msg = "Promise already satisfied"; | |
50 | break; | |
a14dd08a JW |
51 | case std::future_errc::no_state: |
52 | __msg = "No associated state"; | |
53 | break; | |
c910ceff JW |
54 | default: |
55 | __msg = "Unknown error"; | |
56 | break; | |
57 | } | |
58 | return __msg; | |
59 | } | |
60 | }; | |
61 | ||
62 | const future_error_category& | |
63 | __future_category_instance() | |
64 | { | |
65 | static const future_error_category __fec; | |
66 | return __fec; | |
67 | } | |
68 | } | |
69 | ||
12ffa228 BK |
70 | namespace std _GLIBCXX_VISIBILITY(default) |
71 | { | |
72 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
53dc5044 | 73 | |
94a86be0 BK |
74 | const error_category& future_category() |
75 | { return __future_category_instance(); } | |
8d1b99e2 BK |
76 | |
77 | future_error::~future_error() throw() { } | |
78 | ||
79 | const char* | |
80 | future_error::what() const throw() { return _M_code.message().c_str(); } | |
53dc5044 | 81 | |
0d2e205e BK |
82 | #if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) \ |
83 | && defined(_GLIBCXX_ATOMIC_BUILTINS_4) | |
e9599233 BK |
84 | __future_base::_Result_base::_Result_base() = default; |
85 | ||
86 | __future_base::_Result_base::~_Result_base() = default; | |
87 | ||
88 | __future_base::_State_base::~_State_base() = default; | |
0d2e205e | 89 | #endif |
e9599233 | 90 | |
12ffa228 | 91 | _GLIBCXX_END_NAMESPACE_VERSION |
e9599233 | 92 | } // namespace std |
5b824b76 JW |
93 | |
94 | // XXX GLIBCXX_ABI Deprecated | |
95 | // gcc-4.6.0 | |
96 | // <future> export changes | |
97 | #if defined(_GLIBCXX_SYMVER_GNU) && defined(PIC) \ | |
98 | && defined(_GLIBCXX_HAVE_AS_SYMVER_DIRECTIVE) \ | |
99 | && defined(_GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT) | |
100 | ||
12ffa228 | 101 | namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) |
5b824b76 JW |
102 | { |
103 | const std::error_category* future_category = &__future_category_instance(); | |
104 | } | |
105 | ||
106 | #define _GLIBCXX_ASM_SYMVER(cur, old, version) \ | |
107 | asm (".symver " #cur "," #old "@@@" #version); | |
108 | ||
109 | _GLIBCXX_ASM_SYMVER(_ZN9__gnu_cxx15future_categoryE, _ZSt15future_category, GLIBCXX_3.4.14) | |
110 | ||
111 | #endif | |
112 |