ceph/src/boost/libs/dll/include/boost/dll/detail/system_error.hpp

   1 // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
   2 //
   3 // Distributed under the Boost Software License, Version 1.0.
   4 // (See accompanying file LICENSE_1_0.txt
   5 // or copy at http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #ifndef BOOST_DLL_SYSTEM_ERROR_HPP
   8 #define BOOST_DLL_SYSTEM_ERROR_HPP
   9
  10 #include <boost/config.hpp>
  11 #include <boost/predef/os.h>
  12 #include <boost/system/error_code.hpp>
  13 #include <boost/system/system_error.hpp>
  14 #include <boost/throw_exception.hpp>
  15
  16 #if !BOOST_OS_WINDOWS
  17 #   include <dlfcn.h>
  18 #endif
  19
  20 #ifdef BOOST_HAS_PRAGMA_ONCE
  21 #   pragma once
  22 #endif
  23
  24 namespace boost { namespace dll { namespace detail {
  25
  26     inline void reset_dlerror() BOOST_NOEXCEPT {
  27 #if !BOOST_OS_WINDOWS
  28         const char* const error_txt = dlerror();
  29         (void)error_txt;
  30 #endif
  31     }
  32
  33     inline void report_error(const boost::system::error_code& ec, const char* message) {
  34 #if !BOOST_OS_WINDOWS
  35         const char* const error_txt = dlerror();
  36         if (error_txt) {
  37             boost::throw_exception(
  38                 boost::system::system_error(
  39                     ec,
  40                     message + std::string(" (dlerror system message: ") + error_txt + std::string(")")
  41                 )
  42             );
  43         }
  44 #endif
  45
  46         boost::throw_exception(
  47             boost::system::system_error(
  48                 ec, message
  49             )
  50         );
  51     }
  52
  53 }}} // boost::dll::detail
  54
  55 #endif // BOOST_DLL_SYSTEM_ERROR_HPP
  56