00001 /*========================================================================= 00002 Program: bbtk 00003 Module: $RCSfile: bbtkDynamicLibraryHandling.h,v $ 00004 Language: C++ 00005 Date: $Date: 2008/10/17 08:18:13 $ 00006 Version: $Revision: 1.2 $ 00007 =========================================================================*/ 00008 00009 /* --------------------------------------------------------------------- 00010 00011 * Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale) 00012 * Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux 00013 * 00014 * This software is governed by the CeCILL-B license under French law and 00015 * abiding by the rules of distribution of free software. You can use, 00016 * modify and/ or redistribute the software under the terms of the CeCILL-B 00017 * license as circulated by CEA, CNRS and INRIA at the following URL 00018 * http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 00019 * or in the file LICENSE.txt. 00020 * 00021 * As a counterpart to the access to the source code and rights to copy, 00022 * modify and redistribute granted by the license, users are provided only 00023 * with a limited warranty and the software's author, the holder of the 00024 * economic rights, and the successive licensors have only limited 00025 * liability. 00026 * 00027 * The fact that you are presently reading this means that you have had 00028 * knowledge of the CeCILL-B license and that you accept its terms. 00029 * ------------------------------------------------------------------------ */ 00030 00036 // System dependent includes for loading dynamic libraries 00037 #if defined(__GNUC__) 00038 // GCC compiler 00039 00040 // dlopen, dlsym, etc. 00041 #include <dlfcn.h> 00042 00043 // dlopen loading mode : 00044 // instant/delayed symbol resolution 00045 #ifndef BBTK_RTLD_NOW 00046 # define BBTK_RTLD_TIME RTLD_LAZY 00047 #else 00048 # define BBTK_RTLD_TIME RTLD_NOW 00049 #endif 00050 // local/global symbol loading 00051 // one **MUST** use RTLD_GLOBAL in order to have 00052 // the RTTI mechanism travel correctly across packages (typeid,dynamic_cast...) 00053 // however this can cause problems (symbol clashes) ... 00054 // see : 00055 // http://gcc.gnu.org/faq.html#dso 00056 // http://gcc.gnu.org/ml/gcc/2003-04/msg00256.html 00057 // http://gcc.gnu.org/ml/gcc-bugs/2003-10/msg02771.html 00058 #ifndef BBTK_RTLD_LOCAL 00059 # define BBTK_RTLD_SCOPE RTLD_GLOBAL 00060 #else 00061 # define BBTK_RTLD_SCOPE RTLD_LOCAL 00062 #endif 00063 00064 // dl handler type 00065 namespace bbtk 00066 { 00067 typedef void* DynamicLibraryHandler; 00068 } 00069 00070 #elif defined(_WIN32) 00071 // Win32 00072 // HINSTANCE, LoadLibrary, etc. definition 00073 #include "Windows.h" 00074 // dl handler type 00075 namespace bbtk 00076 { 00077 typedef HINSTANCE DynamicLibraryHandler; 00078 } 00079 00080 #else 00081 00082 ERROR !! DYNAMIC LIBRARY LOADING NOT IMPLEMENTED FOR YOUR SYSTEM 00083 00084 #endif