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