1 // Compatibility symbols for previous versions, C++0x bits -*- C++ -*-
3 // Copyright (C) 2009-2013 Free Software Foundation, Inc.
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)
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.
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.
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/>.
25 #define _GLIBCXX_COMPATIBILITY_CXX0X
27 #include <system_error>
29 #if __cplusplus < 201103L
30 # error "compatibility-c++0x.cc must be compiled with -std=gnu++0x"
33 #ifdef _GLIBCXX_SHARED
35 namespace std _GLIBCXX_VISIBILITY(default)
38 // <mutex> exported std::lock_error
39 #if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
40 class lock_error : public exception
44 _GLIBCXX_CONST what() const throw();
48 lock_error::what() const throw()
49 { return "std::lock_error"; }
52 // We need these due to the symbols exported since GLIBCXX_3.4.10.
53 // See libstdc++/41662 for details.
55 #ifndef _GLIBCXX_LONG_DOUBLE_COMPAT_IMPL
59 size_t operator()(string) const;
63 hash<string>::operator()(string __s) const
64 { return _Hash_impl::hash(__s.data(), __s.length()); }
67 struct hash<const string&>
69 size_t operator()(const string&) const;
73 hash<const string&>::operator()(const string& __s) const
74 { return _Hash_impl::hash(__s.data(), __s.length()); }
76 #ifdef _GLIBCXX_USE_WCHAR_T
80 size_t operator()(wstring) const;
84 hash<wstring>::operator()(wstring __s) const
85 { return _Hash_impl::hash(__s.data(), __s.length() * sizeof(wchar_t)); }
88 struct hash<const wstring&>
90 size_t operator()(const wstring&) const;
94 hash<const wstring&>::operator()(const wstring& __s) const
95 { return _Hash_impl::hash(__s.data(), __s.length() * sizeof(wchar_t)); }
100 struct hash<error_code>
102 size_t operator()(error_code) const;
106 hash<error_code>::operator()(error_code __e) const
108 const size_t __tmp = std::_Hash_impl::hash(__e._M_value);
109 return std::_Hash_impl::__hash_combine(__e._M_cat, __tmp);
113 // <chrono> changes is_monotonic to is_steady.
118 static constexpr bool is_monotonic = false;
120 constexpr bool system_clock::is_monotonic;
121 } // namespace chrono