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 Library 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 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library 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 1997-1999. 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;
49 gchar *plugin_a, *plugin_b;
50 SimpleFunc f_a, f_b, f_self;
53 string = g_get_current_dir ();
54 g_print ("testgmodule (%s):\n", string);
56 #if (G_MODULE_IMPL == G_MODULE_IMPL_WIN32)
57 plugin_a = g_strconcat (string, "\\libgplugin_a.dll", NULL);
58 plugin_b = g_strconcat (string, "\\libgplugin_b.dll", NULL);
59 #elif (G_MODULE_IMPL == G_MODULE_IMPL_DLD)
60 plugin_a = g_strconcat (string, "/.libs/", "libgplugin_a.sl", NULL);
61 plugin_b = g_strconcat (string, "/.libs/", "libgplugin_b.sl", NULL);
62 #else /* neither DLD nor WIN32 */
63 plugin_a = g_strconcat (string, "/.libs/", "libgplugin_a.so", NULL);
64 plugin_b = g_strconcat (string, "/.libs/", "libgplugin_b.so", NULL);
70 g_print ("get main module handle\n");
71 module_self = g_module_open (NULL, G_MODULE_BIND_LAZY);
74 g_print ("error: %s\n", g_module_error ());
77 g_print ("check that not yet bound symbols in shared libraries of main module are retrievable:\n");
78 string = "g_module_close";
79 g_print ("retrive symbol `%s' from \"%s\":\n", string, g_basename (g_module_name (module_self)));
80 if (!g_module_symbol (module_self, string, (gpointer) &f_self))
82 g_print ("error: %s\n", g_module_error ());
85 g_print ("retrived symbol `%s' as %p\n", string, f_self);
86 g_print ("load plugin from \"%s\"\n", plugin_a);
87 module_a = g_module_open (plugin_a, G_MODULE_BIND_LAZY);
90 g_print ("error: %s\n", g_module_error ());
93 g_print ("load plugin from \"%s\"\n", plugin_b);
94 module_b = g_module_open (plugin_b, G_MODULE_BIND_LAZY);
97 g_print ("error: %s\n", g_module_error ());
101 /* get plugin specific symbols and call them
103 string = "gplugin_a_func";
104 g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_a)));
105 if (!g_module_symbol (module_a, string, (gpointer) &f_a))
107 g_print ("error: %s\n", g_module_error ());
110 string = "gplugin_b_func";
111 g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_b)));
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 g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_self)));
126 if (!g_module_symbol (module_self, string, (gpointer) &f_self))
128 g_print ("error: %s\n", g_module_error ());
131 g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_a)));
132 if (!g_module_symbol (module_a, string, (gpointer) &f_a))
134 g_print ("error: %s\n", g_module_error ());
137 g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_b)));
138 if (!g_module_symbol (module_b, string, (gpointer) &f_b))
140 g_print ("error: %s\n", g_module_error ());
143 g_print ("call plugin function(%p) self: ", f_self);
145 g_print ("call plugin function(%p) A: ", f_a);
147 g_print ("call plugin function(%p) B: ", f_b);
150 /* get and call clashing plugin functions
152 string = "gplugin_clash_func";
153 g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_self)));
154 if (!g_module_symbol (module_self, string, (gpointer) &f_self))
156 g_print ("retrived function `%s' from self: %p\n", string, f_self);
157 g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_a)));
158 if (!g_module_symbol (module_a, string, (gpointer) &f_a))
160 g_print ("error: %s\n", g_module_error ());
163 g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_b)));
164 if (!g_module_symbol (module_b, string, (gpointer) &f_b))
166 g_print ("error: %s\n", g_module_error ());
169 g_print ("call plugin function(%p) A: ", f_a);
170 plugin_clash_func = f_a;
171 plugin_clash_func ();
172 g_print ("call plugin function(%p) B: ", f_b);
173 plugin_clash_func = f_b;
174 plugin_clash_func ();
176 /* call gmodule function form A
178 string = "gplugin_a_module_func";
179 g_print ("retrive symbol `%s' from \"%s\"\n", string, g_basename (g_module_name (module_a)));
180 if (!g_module_symbol (module_a, string, (gpointer) &gmod_f))
182 g_print ("error: %s\n", g_module_error ());
185 g_print ("call plugin A's module function(%p):\n{\n", gmod_f);
192 g_print ("unload plugin A:\n");
193 if (!g_module_close (module_a))
194 g_print ("error: %s\n", g_module_error ());
195 g_print ("unload plugin B:\n");
196 if (!g_module_close (module_b))
197 g_print ("error: %s\n", g_module_error ());
200 g_log_set_fatal_mask ("GModule", G_LOG_FATAL_MASK|G_LOG_LEVEL_WARNING);
201 g_module_symbol (0, 0, 0);
203 g_on_error_query (".libs/testgmodule");