include/libtorrent/error_code.hpp

   1 /*
   2
   3 Copyright (c) 2008, Arvid Norberg
   4 All rights reserved.
   5
   6 Redistribution and use in source and binary forms, with or without
   7 modification, are permitted provided that the following conditions
   8 are met:
   9
  10     * Redistributions of source code must retain the above copyright
  11       notice, this list of conditions and the following disclaimer.
  12     * Redistributions in binary form must reproduce the above copyright
  13       notice, this list of conditions and the following disclaimer in
  14       the documentation and/or other materials provided with the distribution.
  15     * Neither the name of the author nor the names of its
  16       contributors may be used to endorse or promote products derived
  17       from this software without specific prior written permission.
  18
  19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  23 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29 POSSIBILITY OF SUCH DAMAGE.
  30
  31 */
  32
  33 #ifndef TORRENT_ERROR_CODE_HPP_INCLUDED
  34 #define TORRENT_ERROR_CODE_HPP_INCLUDED
  35
  36 #include <boost/version.hpp>
  37
  38 #if BOOST_VERSION < 103500
  39 #include <asio/error_code.hpp>
  40 #else
  41 #include <boost/system/error_code.hpp>
  42 #endif
  43
  44 namespace libtorrent
  45 {
  46
  47         namespace errors
  48         {
  49                 enum error_code_enum
  50                 {
  51                         no_error = 0,
  52                         file_collision
  53                 };
  54         }
  55
  56 #if BOOST_VERSION < 103500
  57         typedef asio::error_code error_code;
  58         inline asio::error::error_category get_posix_category() { return asio::error::system_category; }
  59         inline asio::error::error_category get_system_category() { return asio::error::system_category; }
  60 #else
  61
  62         struct libtorrent_error_category : boost::system::error_category
  63         {
  64                 virtual const char* name() const;
  65                 virtual std::string message(int ev) const;
  66                 virtual boost::system::error_condition default_error_condition(int ev) const
  67                 { return boost::system::error_condition(ev, *this); }
  68         };
  69
  70         extern libtorrent_error_category libtorrent_category;
  71
  72         using boost::system::error_code;
  73         inline boost::system::error_category const& get_system_category()
  74         { return boost::system::get_system_category(); }
  75         inline boost::system::error_category const& get_posix_category()
  76         { return boost::system::get_posix_category(); }
  77 #endif
  78 }
  79
  80 #endif
  81