9b3003d590
2009-02-17 Benjamin Kosnik <bkoz@redhat.com> * include/std/system_error (system_category): To system_category(). (generic_category): To generic_category. DR 890. * src/system_error.cc: Define. * include/bits/functexcept.h: Only one __throw_system_error. * src/functexcept.cc: Same. * include/std/mutex: Fixup for changes above. * testsuite/19_diagnostics/error_condition/cons/1.cc: Same. * testsuite/19_diagnostics/error_code/cons/1.cc: Same. * testsuite/19_diagnostics/system_error/cons-1.cc: Same. * config/abi/pre/gnu.ver: Clean up exports. From-SVN: r144259
101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
// <system_error> implementation file
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// Copyright (C) 2007, 2008, 2009
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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#include <cstring>
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#include <system_error>
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#include <bits/functexcept.h>
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#include <limits>
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namespace
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{
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using std::string;
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struct generic_error_category : public std::error_category
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{
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virtual const char*
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name() const
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{ return "generic"; }
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virtual string
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message(int i) const
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{
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// XXX locale issues: how does one get or set loc.
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// _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
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return string(strerror(i));
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}
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};
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struct system_error_category : public std::error_category
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{
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virtual const char*
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name() const
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{ return "system"; }
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virtual string
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message(int i) const
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{
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// XXX locale issues: how does one get or set loc.
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// _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
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return string(strerror(i));
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}
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};
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const generic_error_category generic_category_instance;
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const system_error_category system_category_instance;
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}
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_GLIBCXX_BEGIN_NAMESPACE(std)
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const error_category&
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system_category() { return system_category_instance; }
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const error_category&
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generic_category() { return generic_category_instance; }
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system_error::~system_error() throw() { }
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error_condition
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error_category::default_error_condition(int __i) const
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{ return error_condition(__i, *this); }
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bool
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error_category::equivalent(int __i, const error_condition& __cond) const
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{ return default_error_condition(__i) == __cond; }
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bool
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error_category::equivalent(const error_code& __code, int __i) const
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{ return *this == __code.category() && __code.value() == __i; }
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error_condition
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error_code::default_error_condition() const
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{ return category().default_error_condition(value()); }
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_GLIBCXX_END_NAMESPACE
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