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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libstdc++-v3/] [src/] [future.cc] - Rev 424

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// future -*- C++ -*-
 
// Copyright (C) 2009 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/>.
 
#include <future>
 
namespace
{
  struct future_error_category : public std::error_category
  {
    virtual const char*
    name() const 
    { return "future"; }
 
    virtual std::string message(int __ec) const
    {
      std::string __msg;
      switch (std::future_errc(__ec))
      {
      case std::future_errc::broken_promise:
          __msg = "Broken promise";
          break;
      case std::future_errc::future_already_retrieved:
          __msg = "Future already retrieved";
          break;
      case std::future_errc::promise_already_satisfied:
          __msg = "Promise already satisfied";
          break;
      default:
          __msg = "Unknown error";
          break;
      }
      return __msg;
    }
  };
 
  const future_error_category&
  __future_category_instance()
  {
    static const future_error_category __fec;
    return __fec;
  }
}
 
namespace std
{
  const error_category* const future_category = &__future_category_instance();
 
  future_error::~future_error() throw() { }
 
  const char* 
  future_error::what() const throw() { return _M_code.message().c_str(); }
}
 

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