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// Compatibility symbols for previous versions, C++0x bits -*- C++ -*-

// Copyright (C) 2009, 2010 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional

// permissions described in the GCC Runtime Library Exception, version

// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and

// a copy of the GCC Runtime Library Exception along with this program;

// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

// <http://www.gnu.org/licenses/>.

#define _GLIBCXX_COMPATIBILITY_CXX0X

#include <string>

#include <system_error>

#ifndef __GXX_EXPERIMENTAL_CXX0X__

# error "compatibility-c++0x.cc must be compiled with -std=gnu++0x"

#endif

namespace std

{

  // gcc-4.4.0

  // <mutex> exported std::lock_error

#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)

  class lock_error : public exception

  {

  public:

    virtual const char*

    _GLIBCXX_CONST what() const throw();

  };

  const char*

  lock_error::what() const throw()

  { return "std::lock_error"; }

#endif

  // We need these due to the symbols exported since GLIBCXX_3.4.10.

  // See libstdc++/41662 for details.

#include "hash-string-aux.cc"

  template<>

    size_t

    hash<error_code>::operator()(error_code __e) const

    {

      const size_t __tmp = std::_Fnv_hash::hash(__e._M_value);

      return std::_Fnv_hash::__hash_combine(__e._M_cat, __tmp);

    }

}