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); #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"; 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; }
int main (int arg, char *argv[]) { GModule *module_self, *module_a, *module_b; gchar *dir; gchar *plugin_a, *plugin_b; SimpleFunc f_a, f_b, f_self; GModuleFunc gmod_f; if (!g_module_supported ()) return 0; dir = g_get_current_dir (); plugin_a = g_strconcat (dir, G_DIR_SEPARATOR_S "libmoduletestplugin_a", NULL); plugin_b = g_strconcat (dir, G_DIR_SEPARATOR_S "libmoduletestplugin_b", NULL); g_free (dir); /* module handles */ module_self = g_module_open (NULL, G_MODULE_BIND_LAZY); if (!module_self) g_error ("error: %s", g_module_error ()); if (!g_module_symbol (module_self, "g_module_close", (gpointer *) &f_self)) g_error ("error: %s", g_module_error ()); module_a = g_module_open (plugin_a, G_MODULE_BIND_LAZY); if (!module_a) g_error ("error: %s", g_module_error ()); module_b = g_module_open (plugin_b, G_MODULE_BIND_LAZY); if (!module_b) g_error ("error: %s", g_module_error ()); /* get plugin state vars */ if (!g_module_symbol (module_a, "gplugin_a_state", (gpointer *) &gplugin_a_state)) g_error ("error: %s", g_module_error ()); if (!g_module_symbol (module_b, "gplugin_b_state", (gpointer *) &gplugin_b_state)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, "check-init"); /* get plugin specific symbols and call them */ if (!g_module_symbol (module_a, "gplugin_a_func", (gpointer *) &f_a)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); if (!g_module_symbol (module_b, "gplugin_b_func", (gpointer *) &f_b)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); f_a (); test_states (NULL, "Hello world", NULL); f_b (); test_states (NULL, NULL, "Hello world"); /* get and call globally clashing functions */ if (!g_module_symbol (module_self, "g_clash_func", (gpointer *) &f_self)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); if (!g_module_symbol (module_a, "g_clash_func", (gpointer *) &f_a)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); if (!g_module_symbol (module_b, "g_clash_func", (gpointer *) &f_b)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); f_self (); test_states ("global clash", NULL, NULL); f_a (); test_states (NULL, "global clash", NULL); f_b (); test_states (NULL, NULL, "global clash"); /* get and call clashing plugin functions */ if (!g_module_symbol (module_a, "gplugin_clash_func", (gpointer *) &f_a)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); if (!g_module_symbol (module_b, "gplugin_clash_func", (gpointer *) &f_b)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); plugin_clash_func = f_a; plugin_clash_func (); test_states (NULL, "plugin clash", NULL); plugin_clash_func = f_b; plugin_clash_func (); test_states (NULL, NULL, "plugin clash"); /* call gmodule function from A */ if (!g_module_symbol (module_a, "gplugin_a_module_func", (gpointer *) &gmod_f)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); gmod_f (module_b); test_states (NULL, NULL, "BOOH"); gmod_f (module_a); test_states (NULL, "BOOH", NULL); /* unload plugins */ if (!g_module_close (module_a)) g_error ("error: %s", g_module_error ()); if (!g_module_close (module_b)) g_error ("error: %s", g_module_error ()); return 0; }
int main (int argc, char **argv) { GModule *module_self, *module_a, *module_b; gchar *plugin_a, *plugin_b; SimpleFunc f_a, f_b, f_self; GModuleFunc gmod_f; g_test_init (&argc, &argv, NULL); if (!g_module_supported ()) g_error ("dynamic modules not supported"); plugin_a = g_test_build_filename (G_TEST_BUILT, "libmoduletestplugin_a", NULL); plugin_b = g_test_build_filename (G_TEST_BUILT, "libmoduletestplugin_b", NULL); /* module handles */ module_self = g_module_open (NULL, G_MODULE_BIND_LAZY); if (!module_self) g_error ("error: %s", g_module_error ()); if (!g_module_symbol (module_self, "g_module_close", (gpointer *) &f_self)) g_error ("error: %s", g_module_error ()); module_a = g_module_open (plugin_a, G_MODULE_BIND_LAZY); if (!module_a) g_error ("error: %s", g_module_error ()); module_b = g_module_open (plugin_b, G_MODULE_BIND_LAZY); if (!module_b) g_error ("error: %s", g_module_error ()); /* get plugin state vars */ if (!g_module_symbol (module_a, "gplugin_a_state", (gpointer *) &gplugin_a_state)) g_error ("error: %s", g_module_error ()); if (!g_module_symbol (module_b, "gplugin_b_state", (gpointer *) &gplugin_b_state)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, "check-init"); /* get plugin specific symbols and call them */ if (!g_module_symbol (module_a, "gplugin_a_func", (gpointer *) &f_a)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); if (!g_module_symbol (module_b, "gplugin_b_func", (gpointer *) &f_b)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); f_a (); test_states (NULL, "Hello world", NULL); f_b (); test_states (NULL, NULL, "Hello world"); /* get and call globally clashing functions */ if (!g_module_symbol (module_self, "g_clash_func", (gpointer *) &f_self)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); if (!g_module_symbol (module_a, "g_clash_func", (gpointer *) &f_a)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); if (!g_module_symbol (module_b, "g_clash_func", (gpointer *) &f_b)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); f_self (); test_states ("global clash", NULL, NULL); f_a (); test_states (NULL, "global clash", NULL); f_b (); test_states (NULL, NULL, "global clash"); /* get and call clashing plugin functions */ if (!g_module_symbol (module_a, "gplugin_clash_func", (gpointer *) &f_a)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); if (!g_module_symbol (module_b, "gplugin_clash_func", (gpointer *) &f_b)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); plugin_clash_func = f_a; plugin_clash_func (); test_states (NULL, "plugin clash", NULL); plugin_clash_func = f_b; plugin_clash_func (); test_states (NULL, NULL, "plugin clash"); /* call gmodule function from A */ if (!g_module_symbol (module_a, "gplugin_a_module_func", (gpointer *) &gmod_f)) g_error ("error: %s", g_module_error ()); test_states (NULL, NULL, NULL); gmod_f (module_b); test_states (NULL, NULL, "BOOH"); gmod_f (module_a); test_states (NULL, "BOOH", NULL); /* unload plugins */ if (!g_module_close (module_a)) g_error ("error: %s", g_module_error ()); if (!g_module_close (module_b)) g_error ("error: %s", g_module_error ()); g_free (plugin_a); g_free (plugin_b); g_module_close (module_self); return 0; }