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 reset_dlerror()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 report_error(const boost::dll::fs::error_code & ec,const char * message)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 56