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

   1 // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
   2 // Copyright 2015-2019 Antony Polukhin.
   3 //
   4 // Distributed under the Boost Software License, Version 1.0.
   5 // (See accompanying file LICENSE_1_0.txt
   6 // or copy at http://www.boost.org/LICENSE_1_0.txt)
   7
   8 #ifndef BOOST_DLL_SYSTEM_ERROR_HPP
   9 #define BOOST_DLL_SYSTEM_ERROR_HPP
  10
  11 #include <boost/dll/config.hpp>
  12 #include <boost/predef/os.h>
  13 #include <boost/throw_exception.hpp>
  14
  15 #if !BOOST_OS_WINDOWS
  16 #   include <dlfcn.h>
  17 #endif
  18
  19 #ifdef BOOST_HAS_PRAGMA_ONCE
  20 #   pragma once
  21 #endif
  22
  23 namespace boost { namespace dll { namespace detail {
  24
  25     inline void reset_dlerror() BOOST_NOEXCEPT {
  26 #if !BOOST_OS_WINDOWS
  27         const char* const error_txt = dlerror();
  28         (void)error_txt;
  29 #endif
  30     }
  31
  32     inline void report_error(const boost::dll::fs::error_code& ec, const char* message) {
  33 #if !BOOST_OS_WINDOWS
  34         const char* const error_txt = dlerror();
  35         if (error_txt) {
  36             boost::throw_exception(
  37                 boost::dll::fs::system_error(
  38                     ec,
  39                     message + std::string(" (dlerror system message: ") + error_txt + std::string(")")
  40                 )
  41             );
  42         }
  43 #endif
  44
  45         boost::throw_exception(
  46             boost::dll::fs::system_error(
  47                 ec, message
  48             )
  49         );
  50     }
  51
  52 }}} // boost::dll::detail
  53
  54 #endif // BOOST_DLL_SYSTEM_ERROR_HPP
  55