1 /* testgmodule.c - test program for GMODULE
2 * Copyright (C) 1998 Tim Janik
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GLib Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GLib Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GLib at ftp://ftp.gtk.org/pub/gtk/.
29 #include "gmoduleconf.h"
35 g_print ("GModule: Hello global clash\n");
38 typedef void (*SimpleFunc) (void);
39 typedef void (*GModuleFunc) (GModule *);
41 static SimpleFunc plugin_clash_func = NULL;
47 GModule *module_self, *module_a, *module_b;
50 gchar *plugin_a, *plugin_b;
51 SimpleFunc f_a, f_b, f_self;
54 string = g_get_current_dir ();
55 g_print ("testgmodule (%s):\n", string);
57 plugin_a = g_strconcat (string, G_DIR_SEPARATOR_S "libgplugin_a", NULL);
58 plugin_b = g_strconcat (string, G_DIR_SEPARATOR_S "libgplugin_b", NULL);
64 g_print ("get main module handle\n");
65 module_self = g_module_open (NULL, G_MODULE_BIND_LAZY);
68 g_print ("error: %s\n", g_module_error ());
71 g_print ("check that not yet bound symbols in shared libraries of main module are retrievable:\n");
72 string = "g_module_close";
73 basename = g_path_get_basename (g_module_name (module_self));
74 g_print ("retrieve symbol `%s' from \"%s\":\n", string, basename);
76 if (!g_module_symbol (module_self, string, (gpointer) &f_self))
78 g_print ("error: %s\n", g_module_error ());
81 g_print ("retrieved symbol `%s' as %p\n", string, f_self);
82 g_print ("load plugin from \"%s\"\n", plugin_a);
83 module_a = g_module_open (plugin_a, G_MODULE_BIND_LAZY);
86 g_print ("error: %s\n", g_module_error ());
89 g_print ("load plugin from \"%s\"\n", plugin_b);
90 module_b = g_module_open (plugin_b, G_MODULE_BIND_LAZY);
93 g_print ("error: %s\n", g_module_error ());
97 /* get plugin specific symbols and call them
99 string = "gplugin_a_func";
100 basename = g_path_get_basename (g_module_name (module_a));
101 g_print ("retrieve symbol `%s' from \"%s\"\n", string, basename);
103 if (!g_module_symbol (module_a, string, (gpointer) &f_a))
105 g_print ("error: %s\n", g_module_error ());
108 string = "gplugin_b_func";
109 basename = g_path_get_basename (g_module_name (module_b));
110 g_print ("retrieve symbol `%s' from \"%s\"\n", string, basename);
112 if (!g_module_symbol (module_b, string, (gpointer) &f_b))
114 g_print ("error: %s\n", g_module_error ());
117 g_print ("call plugin function(%p) A: ", f_a);
119 g_print ("call plugin function(%p) B: ", f_b);
122 /* get and call globally clashing functions
124 string = "g_clash_func";
125 basename = g_path_get_basename (g_module_name (module_self));
126 g_print ("retrieve symbol `%s' from \"%s\"\n", string, basename);
128 if (!g_module_symbol (module_self, string, (gpointer) &f_self))
130 g_print ("error: %s\n", g_module_error ());
133 basename = g_path_get_basename (g_module_name (module_a));
134 g_print ("retrieve symbol `%s' from \"%s\"\n", string, basename);
136 if (!g_module_symbol (module_a, string, (gpointer) &f_a))
138 g_print ("error: %s\n", g_module_error ());
141 basename = g_path_get_basename (g_module_name (module_b));
142 g_print ("retrieve symbol `%s' from \"%s\"\n", string, basename);
144 if (!g_module_symbol (module_b, string, (gpointer) &f_b))
146 g_print ("error: %s\n", g_module_error ());
149 g_print ("call plugin function(%p) self: ", f_self);
151 g_print ("call plugin function(%p) A: ", f_a);
153 g_print ("call plugin function(%p) B: ", f_b);
156 /* get and call clashing plugin functions
158 string = "gplugin_clash_func";
159 basename = g_path_get_basename (g_module_name (module_self));
160 g_print ("retrieve symbol `%s' from \"%s\"\n", string, basename);
162 if (!g_module_symbol (module_self, string, (gpointer) &f_self))
164 g_print ("retrieved function `%s' from self: %p\n", string, f_self);
165 basename = g_path_get_basename (g_module_name (module_a));
166 g_print ("retrieve symbol `%s' from \"%s\"\n", string, basename);
168 if (!g_module_symbol (module_a, string, (gpointer) &f_a))
170 g_print ("error: %s\n", g_module_error ());
173 basename = g_path_get_basename (g_module_name (module_b));
174 g_print ("retrieve symbol `%s' from \"%s\"\n", string, basename);
176 if (!g_module_symbol (module_b, string, (gpointer) &f_b))
178 g_print ("error: %s\n", g_module_error ());
181 g_print ("call plugin function(%p) A: ", f_a);
182 plugin_clash_func = f_a;
183 plugin_clash_func ();
184 g_print ("call plugin function(%p) B: ", f_b);
185 plugin_clash_func = f_b;
186 plugin_clash_func ();
188 /* call gmodule function form A
190 string = "gplugin_a_module_func";
191 basename = g_path_get_basename (g_module_name (module_a));
192 g_print ("retrieve symbol `%s' from \"%s\"\n", string, basename);
194 if (!g_module_symbol (module_a, string, (gpointer) &gmod_f))
196 g_print ("error: %s\n", g_module_error ());
199 g_print ("call plugin A's module function(%p):\n{\n", gmod_f);
206 g_print ("unload plugin A:\n");
207 if (!g_module_close (module_a))
208 g_print ("error: %s\n", g_module_error ());
209 g_print ("unload plugin B:\n");
210 if (!g_module_close (module_b))
211 g_print ("error: %s\n", g_module_error ());
214 g_log_set_fatal_mask ("GModule", G_LOG_FATAL_MASK|G_LOG_LEVEL_WARNING);
215 g_module_symbol (0, 0, 0);
217 g_on_error_query (".libs/testgmodule");