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/* 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 *basename;
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);
#if (G_MODULE_IMPL == G_MODULE_IMPL_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 /* neither DLD nor WIN32 */
plugin_a = g_strconcat (string, "/.libs/", "libgplugin_a.so", NULL);
plugin_b = g_strconcat (string, "/.libs/", "libgplugin_b.so", NULL);
#endif
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";
basename = g_path_get_basename (g_module_name (module_self));
g_print ("retrive symbol `%s' from \"%s\":\n", string, basename);
g_free (basename);
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";
basename = g_path_get_basename (g_module_name (module_a));
g_print ("retrive symbol `%s' from \"%s\"\n", string, basename);
g_free (basename);
if (!g_module_symbol (module_a, string, (gpointer) &f_a))
{
g_print ("error: %s\n", g_module_error ());
return 1;
}
string = "gplugin_b_func";
basename = g_path_get_basename (g_module_name (module_b));
g_print ("retrive symbol `%s' from \"%s\"\n", string, basename);
g_free (basename);
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";
basename = g_path_get_basename (g_module_name (module_self));
g_print ("retrive symbol `%s' from \"%s\"\n", string, basename);
g_free (basename);
if (!g_module_symbol (module_self, string, (gpointer) &f_self))
{
g_print ("error: %s\n", g_module_error ());
return 1;
}
basename = g_path_get_basename (g_module_name (module_a));
g_print ("retrive symbol `%s' from \"%s\"\n", string, basename);
g_free (basename);
if (!g_module_symbol (module_a, string, (gpointer) &f_a))
{
g_print ("error: %s\n", g_module_error ());
return 1;
}
basename = g_path_get_basename (g_module_name (module_b));
g_print ("retrive symbol `%s' from \"%s\"\n", string, basename);
g_free (basename);
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";
basename = g_path_get_basename (g_module_name (module_self));
g_print ("retrive symbol `%s' from \"%s\"\n", string, basename);
g_free (basename);
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);
basename = g_path_get_basename (g_module_name (module_a));
g_print ("retrive symbol `%s' from \"%s\"\n", string, basename);
g_free (basename);
if (!g_module_symbol (module_a, string, (gpointer) &f_a))
{
g_print ("error: %s\n", g_module_error ());
return 1;
}
basename = g_path_get_basename (g_module_name (module_b));
g_print ("retrive symbol `%s' from \"%s\"\n", string, basename);
g_free (basename);
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";
basename = g_path_get_basename (g_module_name (module_a));
g_print ("retrive symbol `%s' from \"%s\"\n", string, basename);
g_free (basename);
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;
}
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