1// Compatibility symbols for previous versions, C++0x bits -*- C++ -*- 2 3// Copyright (C) 2009, 2010 Free Software Foundation, Inc. 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#define _GLIBCXX_COMPATIBILITY_CXX0X 26#include <string> 27#include <system_error> 28 29#ifndef __GXX_EXPERIMENTAL_CXX0X__ 30# error "compatibility-c++0x.cc must be compiled with -std=gnu++0x" 31#endif 32 33namespace std 34{ 35 // gcc-4.4.0 36 // <mutex> exported std::lock_error 37#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) 38 class lock_error : public exception 39 { 40 public: 41 virtual const char* 42 _GLIBCXX_CONST what() const throw(); 43 }; 44 45 const char* 46 lock_error::what() const throw() 47 { return "std::lock_error"; } 48#endif 49 50 // We need these due to the symbols exported since GLIBCXX_3.4.10. 51 // See libstdc++/41662 for details. 52 53#include "hash-string-aux.cc" 54 55 template<> 56 size_t 57 hash<error_code>::operator()(error_code __e) const 58 { 59 const size_t __tmp = std::_Fnv_hash::hash(__e._M_value); 60 return std::_Fnv_hash::__hash_combine(__e._M_cat, __tmp); 61 } 62} 63