| /* testgmodule.c - test program for GMODULE |
| * Copyright (C) 1998 Tim Janik |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| /* |
| * Modified by the GLib Team and others 1997-1999. See the AUTHORS |
| * file for a list of people on the GLib Team. See the ChangeLog |
| * files for a list of changes. These files are distributed with |
| * GLib at ftp://ftp.gtk.org/pub/gtk/. |
| */ |
| |
| #undef G_LOG_DOMAIN |
| #include <gmodule.h> |
| #include "gmoduleconf.h" |
| |
| |
| G_MODULE_EXPORT void |
| g_clash_func (void) |
| { |
| g_print ("GModule: Hello global clash\n"); |
| } |
| |
| typedef void (*SimpleFunc) (void); |
| typedef void (*GModuleFunc) (GModule *); |
| |
| static SimpleFunc plugin_clash_func = NULL; |
| |
| int |
| main (int arg, |
| char *argv[]) |
| { |
| GModule *module_self, *module_a, *module_b; |
| gchar *string; |
| gchar *plugin_a, *plugin_b; |
| SimpleFunc f_a, f_b, f_self; |
| GModuleFunc gmod_f; |
| |
| string = g_get_current_dir (); |
| g_print ("testgmodule (%s):\n", string); |
| |
| #ifdef NATIVE_WIN32 |
| plugin_a = g_strconcat (string, "\\libgplugin_a.dll", NULL); |
| plugin_b = g_strconcat (string, "\\libgplugin_b.dll", NULL); |
| #elif (G_MODULE_IMPL == G_MODULE_IMPL_DLD) |
| plugin_a = g_strconcat (string, "/.libs/", "libgplugin_a.sl", NULL); |
| plugin_b = g_strconcat (string, "/.libs/", "libgplugin_b.sl", NULL); |
| #else /* G_MODULE_IMPL != G_MODULE_IMPL_DLD && !NATIVE_WIN32 */ |
| plugin_a = g_strconcat (string, "/.libs/", "libgplugin_a.so", NULL); |
| plugin_b = g_strconcat (string, "/.libs/", "libgplugin_b.so", NULL); |
| #endif /* G_MODULE_IMPL != G_MODULE_IMPL_DLD && !NATIVE_WIN32 */ |
| g_free (string); |
| |
| /* module handles |
| */ |
| g_print ("get main module handle\n"); |
| module_self = g_module_open (NULL, G_MODULE_BIND_LAZY); |
| if (!module_self) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| g_print ("check that not yet bound symbols in shared libraries of main module are retrievable:\n"); |
| string = "g_module_close"; |
| g_print ("retrive symbol `%s' from \"%s\":\n", string, g_basename (g_module_name (module_self))); |
| if (!g_module_symbol (module_self, string, (gpointer) &f_self)) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| g_print ("retrived symbol `%s' as %p\n", string, f_self); |
| g_print ("load plugin from \"%s\"\n", plugin_a); |
| module_a = g_module_open (plugin_a, G_MODULE_BIND_LAZY); |
| if (!module_a) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| g_print ("load plugin from \"%s\"\n", plugin_b); |
| module_b = g_module_open (plugin_b, G_MODULE_BIND_LAZY); |
| if (!module_b) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| |
| /* get plugin specific symbols and call them |
| */ |
| string = "gplugin_a_func"; |
| g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_a))); |
| if (!g_module_symbol (module_a, string, (gpointer) &f_a)) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| string = "gplugin_b_func"; |
| g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_b))); |
| if (!g_module_symbol (module_b, string, (gpointer) &f_b)) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| g_print ("call plugin function(%p) A: ", f_a); |
| f_a (); |
| g_print ("call plugin function(%p) B: ", f_b); |
| f_b (); |
| |
| /* get and call globally clashing functions |
| */ |
| string = "g_clash_func"; |
| g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_self))); |
| if (!g_module_symbol (module_self, string, (gpointer) &f_self)) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_a))); |
| if (!g_module_symbol (module_a, string, (gpointer) &f_a)) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_b))); |
| if (!g_module_symbol (module_b, string, (gpointer) &f_b)) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| g_print ("call plugin function(%p) self: ", f_self); |
| f_self (); |
| g_print ("call plugin function(%p) A: ", f_a); |
| f_a (); |
| g_print ("call plugin function(%p) B: ", f_b); |
| f_b (); |
| |
| /* get and call clashing plugin functions |
| */ |
| string = "gplugin_clash_func"; |
| g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_self))); |
| if (!g_module_symbol (module_self, string, (gpointer) &f_self)) |
| f_self = NULL; |
| g_print ("retrived function `%s' from self: %p\n", string, f_self); |
| g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_a))); |
| if (!g_module_symbol (module_a, string, (gpointer) &f_a)) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_b))); |
| if (!g_module_symbol (module_b, string, (gpointer) &f_b)) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| g_print ("call plugin function(%p) A: ", f_a); |
| plugin_clash_func = f_a; |
| plugin_clash_func (); |
| g_print ("call plugin function(%p) B: ", f_b); |
| plugin_clash_func = f_b; |
| plugin_clash_func (); |
| |
| /* call gmodule function form A |
| */ |
| string = "gplugin_a_module_func"; |
| g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_a))); |
| if (!g_module_symbol (module_a, string, (gpointer) &gmod_f)) |
| { |
| g_print ("error: %s\n", g_module_error ()); |
| return 1; |
| } |
| g_print ("call plugin A's module function(%p):\n{\n", gmod_f); |
| gmod_f (module_b); |
| g_print ("}\n"); |
| |
| |
| /* unload plugins |
| */ |
| g_print ("unload plugin A:\n"); |
| if (!g_module_close (module_a)) |
| g_print ("error: %s\n", g_module_error ()); |
| g_print ("unload plugin B:\n"); |
| if (!g_module_close (module_b)) |
| g_print ("error: %s\n", g_module_error ()); |
| |
| #if 0 |
| g_log_set_fatal_mask ("GModule", G_LOG_FATAL_MASK|G_LOG_LEVEL_WARNING); |
| g_module_symbol (0, 0, 0); |
| g_warning("jahooo"); |
| g_on_error_query (".libs/testgmodule"); |
| #endif |
| |
| return 0; |
| } |