1 // <system_error> implementation file
3 // Copyright (C) 2007, 2008, 2009, 2010, 2011 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/>.
27 #include <system_error>
28 #include <bits/functexcept.h>
35 struct generic_error_category
: public std::error_category
44 // XXX locale issues: how does one get or set loc.
45 // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
46 return string(strerror(i
));
50 struct system_error_category
: public std::error_category
59 // XXX locale issues: how does one get or set loc.
60 // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
61 return string(strerror(i
));
65 const generic_error_category generic_category_instance
;
66 const system_error_category system_category_instance
;
69 namespace std
_GLIBCXX_VISIBILITY(default)
71 _GLIBCXX_BEGIN_NAMESPACE_VERSION
73 error_category::error_category() noexcept
= default;
75 error_category::~error_category() noexcept
= default;
78 system_category() noexcept
{ return system_category_instance
; }
81 generic_category() noexcept
{ return generic_category_instance
; }
83 system_error::~system_error() noexcept
= default;
86 error_category::default_error_condition(int __i
) const noexcept
87 { return error_condition(__i
, *this); }
90 error_category::equivalent(int __i
,
91 const error_condition
& __cond
) const noexcept
92 { return default_error_condition(__i
) == __cond
; }
95 error_category::equivalent(const error_code
& __code
, int __i
) const noexcept
96 { return *this == __code
.category() && __code
.value() == __i
; }
99 error_code::default_error_condition() const noexcept
100 { return category().default_error_condition(value()); }
102 _GLIBCXX_END_NAMESPACE_VERSION