[gtk] Stop loading modules
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk] Stop loading modules
- Date: Sun, 18 Feb 2018 14:43:06 +0000 (UTC)
commit 39d1537211501a8603f93a3196b910dce40e1617
Author: Matthias Clasen <mclasen redhat com>
Date: Sun Feb 18 08:50:45 2018 -0500
Stop loading modules
We no longer look at the GTK_MODULES environment variables.
With this commit, we stop loading general-purpose modules
altogether.
gtk/gtkmain.c | 28 -----
gtk/gtkmodules.c | 317 ------------------------------------------------
gtk/gtkmodulesprivate.h | 4 -
3 files changed, 349 deletions(-)
---
diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index e8e74238ce..8af6ee4471 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -120,7 +120,6 @@
#include "gtkdndprivate.h"
#include "gtkmain.h"
#include "gtkmenu.h"
-#include "gtkmodules.h"
#include "gtkmodulesprivate.h"
#include "gtkprivate.h"
#include "gtkrecentmanager.h"
@@ -383,8 +382,6 @@ gtk_disable_setlocale (void)
#undef gtk_init_check
#endif
-static GString *gtk_modules_string = NULL;
-
#ifdef G_OS_WIN32
static char *iso639_to_check = NULL;
@@ -576,21 +573,6 @@ do_pre_parse_initialization (void)
}
#endif /* G_ENABLE_DEBUG */
- env_string = g_getenv ("GTK3_MODULES");
- if (env_string)
- gtk_modules_string = g_string_new (env_string);
-
- env_string = g_getenv ("GTK_MODULES");
- if (env_string)
- {
- if (gtk_modules_string)
- g_string_append_c (gtk_modules_string, G_SEARCHPATH_SEPARATOR);
- else
- gtk_modules_string = g_string_new (NULL);
-
- g_string_append (gtk_modules_string, env_string);
- }
-
env_string = g_getenv ("GTK_SLOWDOWN");
if (env_string)
{
@@ -647,16 +629,6 @@ do_post_parse_initialization (void)
gtk_initialized = TRUE;
- if (gtk_modules_string)
- {
- _gtk_modules_init (NULL, NULL, gtk_modules_string->str);
- g_string_free (gtk_modules_string, TRUE);
- }
- else
- {
- _gtk_modules_init (NULL, NULL, NULL);
- }
-
display_manager = gdk_display_manager_get ();
if (gdk_display_manager_get_default_display (display_manager) != NULL)
_gtk_accessibility_init ();
diff --git a/gtk/gtkmodules.c b/gtk/gtkmodules.c
index c28d6e38a5..d8e98c848b 100644
--- a/gtk/gtkmodules.c
+++ b/gtk/gtkmodules.c
@@ -30,25 +30,6 @@
#include <gmodule.h>
-typedef struct _GtkModuleInfo GtkModuleInfo;
-struct _GtkModuleInfo
-{
- GModule *module;
- gint ref_count;
- GtkModuleInitFunc init_func;
- GtkModuleDisplayInitFunc display_init_func;
- GSList *names;
-};
-
-static GSList *gtk_modules = NULL;
-
-static gboolean default_display_opened = FALSE;
-
-/* Saved argc, argv for delayed module initialization
- */
-static gint gtk_argc = 0;
-static gchar **gtk_argv = NULL;
-
static gchar **
get_module_path (void)
{
@@ -207,304 +188,6 @@ _gtk_find_module (const gchar *name,
return module_name;
}
-static GModule *
-find_module (const gchar *name)
-{
- GModule *module;
- gchar *module_name;
-
- module_name = _gtk_find_module (name, "modules");
- if (!module_name)
- {
- /* As last resort, try loading without an absolute path (using system
- * library path)
- */
- module_name = g_module_build_path (NULL, name);
- }
-
- module = g_module_open (module_name, G_MODULE_BIND_LOCAL | G_MODULE_BIND_LAZY);
-
- if (_gtk_module_has_mixed_deps (module))
- {
- g_warning ("GTK+ module %s cannot be loaded.\n"
- "GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not
supported.", module_name);
- g_module_close (module);
- module = NULL;
- }
-
- g_free (module_name);
-
- return module;
-}
-
-static gint
-cmp_module (GtkModuleInfo *info,
- GModule *module)
-{
- return info->module != module;
-}
-
-static gboolean
-module_is_blacklisted (const gchar *name,
- gboolean verbose)
-{
- if (g_str_equal (name, "gail") ||
- g_str_equal (name, "atk-bridge"))
- {
- if (verbose)
- g_message ("Not loading module \"%s\": The functionality is provided by GTK natively. Please try to
not load it.", name);
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-static GSList *
-load_module (GSList *module_list,
- const gchar *name)
-{
- GtkModuleInitFunc modinit_func;
- gpointer modinit_func_ptr;
- GtkModuleInfo *info = NULL;
- GModule *module = NULL;
- GSList *l;
- gboolean success = FALSE;
-
- if (g_module_supported ())
- {
- for (l = gtk_modules; l; l = l->next)
- {
- info = l->data;
- if (g_slist_find_custom (info->names, name,
- (GCompareFunc)strcmp))
- {
- info->ref_count++;
-
- success = TRUE;
- break;
- }
- info = NULL;
- }
-
- if (!success)
- {
- module = find_module (name);
-
- if (module)
- {
- /* Do the check this late so we only warn about existing modules,
- * not old modules that are still in the modules path. */
- if (module_is_blacklisted (name, TRUE))
- {
- modinit_func = NULL;
- success = TRUE;
- }
- else if (g_module_symbol (module, "gtk_module_init", &modinit_func_ptr))
- modinit_func = modinit_func_ptr;
- else
- modinit_func = NULL;
-
- if (!modinit_func)
- g_module_close (module);
- else
- {
- GSList *temp;
-
- success = TRUE;
- info = NULL;
-
- temp = g_slist_find_custom (gtk_modules, module,
- (GCompareFunc)cmp_module);
- if (temp != NULL)
- info = temp->data;
-
- if (!info)
- {
- info = g_new0 (GtkModuleInfo, 1);
-
- info->names = g_slist_prepend (info->names, g_strdup (name));
- info->module = module;
- info->ref_count = 1;
- info->init_func = modinit_func;
- g_module_symbol (module, "gtk_module_display_init",
- (gpointer *) &info->display_init_func);
-
- gtk_modules = g_slist_append (gtk_modules, info);
-
- /* display_init == NULL indicates a non-multihead aware module.
- * For these, we delay the call to init_func until first display is
- * opened, see default_display_notify_cb().
- * For multihead aware modules, we call init_func immediately,
- * and also call display_init_func on all opened displays.
- */
- if (default_display_opened || info->display_init_func)
- (* info->init_func) (>k_argc, >k_argv);
-
- if (info->display_init_func)
- {
- GSList *displays, *iter;
- displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
- for (iter = displays; iter; iter = iter->next)
- {
- GdkDisplay *display = iter->data;
- (* info->display_init_func) (display);
- }
- g_slist_free (displays);
- }
- }
- else
- {
- GTK_NOTE (MODULES, g_message ("Module already loaded, ignoring: %s", name));
- info->names = g_slist_prepend (info->names, g_strdup (name));
- info->ref_count++;
- /* remove new reference count on module, we already have one */
- g_module_close (module);
- }
- }
- }
- }
- }
-
- if (success && info)
- {
- if (!g_slist_find (module_list, info))
- {
- module_list = g_slist_prepend (module_list, info);
- }
- }
- else
- {
- if (!module_is_blacklisted (name, FALSE))
- {
- const gchar *error = g_module_error ();
-
- g_message ("Failed to load module \"%s\"%s%s",
- name, error ? ": " : "", error ? error : "");
- }
- }
-
- return module_list;
-}
-
-static GSList *
-load_modules (const char *module_str)
-{
- gchar **module_names;
- GSList *module_list = NULL;
- gint i;
-
- GTK_NOTE (MODULES, g_message ("Loading module list: %s", module_str));
-
- module_names = gtk_split_file_list (module_str);
- for (i = 0; module_names[i]; i++)
- module_list = load_module (module_list, module_names[i]);
-
- module_list = g_slist_reverse (module_list);
- g_strfreev (module_names);
-
- return module_list;
-}
-
-static void
-default_display_notify_cb (GdkDisplayManager *display_manager)
-{
- GSList *slist;
-
- /* Initialize non-multihead-aware modules when the
- * default display is first set to a non-NULL value.
- */
-
- if (!gdk_display_get_default () || default_display_opened)
- return;
-
- default_display_opened = TRUE;
-
- for (slist = gtk_modules; slist; slist = slist->next)
- {
- if (slist->data)
- {
- GtkModuleInfo *info = slist->data;
-
- if (!info->display_init_func)
- (* info->init_func) (>k_argc, >k_argv);
- }
- }
-}
-
-static void
-display_closed_cb (GdkDisplay *display,
- gboolean is_error)
-{
- GtkSettings *settings;
-
- settings = gtk_settings_get_for_display (display);
-
- g_object_set_data_full (G_OBJECT (settings), I_("gtk-modules"), NULL, NULL);
-}
-
-static void
-display_opened_cb (GdkDisplayManager *display_manager,
- GdkDisplay *display)
-{
- GSList *slist;
-
- for (slist = gtk_modules; slist; slist = slist->next)
- {
- if (slist->data)
- {
- GtkModuleInfo *info = slist->data;
-
- if (info->display_init_func)
- (* info->display_init_func) (display);
- }
- }
-
- /* Since closing display doesn't actually release the resources yet,
- * we have to connect to the ::closed signal.
- */
- g_signal_connect (display, "closed", G_CALLBACK (display_closed_cb), NULL);
-}
-
-void
-_gtk_modules_init (gint *argc,
- gchar ***argv,
- const gchar *gtk_modules_args)
-{
- GdkDisplayManager *display_manager;
- gint i;
-
- g_assert (gtk_argv == NULL);
-
- if (argc && argv)
- {
- /* store argc and argv for later use in mod initialization */
- gtk_argc = *argc;
- gtk_argv = g_new (gchar *, *argc + 1);
- for (i = 0; i < gtk_argc; i++)
- gtk_argv [i] = g_strdup ((*argv) [i]);
- gtk_argv [*argc] = NULL;
- }
-
- display_manager = gdk_display_manager_get ();
- default_display_opened = gdk_display_get_default () != NULL;
- g_signal_connect (display_manager, "notify::default-display",
- G_CALLBACK (default_display_notify_cb),
- NULL);
- g_signal_connect (display_manager, "display-opened",
- G_CALLBACK (display_opened_cb),
- NULL);
-
- if (gtk_modules_args)
- {
- /* Modules specified in the GTK_MODULES environment variable
- * or on the command line are always loaded, so we'll just leak
- * the refcounts.
- */
- g_slist_free (load_modules (gtk_modules_args));
- }
-}
-
/* Return TRUE if module_to_check causes version conflicts.
* If module_to_check is NULL, check the main module.
*/
diff --git a/gtk/gtkmodulesprivate.h b/gtk/gtkmodulesprivate.h
index 99987bb077..67da320f80 100644
--- a/gtk/gtkmodulesprivate.h
+++ b/gtk/gtkmodulesprivate.h
@@ -33,10 +33,6 @@ gchar * _gtk_find_module (const gchar *name,
const gchar *type);
gchar ** _gtk_get_module_path (const gchar *type);
-void _gtk_modules_init (gint *argc,
- gchar ***argv,
- const gchar *gtk_modules_args);
-
gboolean _gtk_module_has_mixed_deps (GModule *module);
G_END_DECLS
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