543504 – crash in Epiphany Web Browser: Opening local file

* gappinfo.c:
        * gasyncresult.c:
        * gdesktopappinfo.c:
        * gdrive.c:
        * gfile.c:
        * gicon.c:
        * gloadableicon.c:
        * gmount.c:
        * gseekable.c:
        * gvolume.c: Register types thread-safely.
        Patch by Christian Persch


svn path=/branches/glib-2-16/; revision=7214

gio/ChangeLog

@@ -1,3 +1,21 @@
+2008-07-19  Matthias Clasen  <mclasen@redhat.com>
+
+	Merge from trunk:
+
+	543504 – crash in Epiphany Web Browser: Opening local file
+
+	* gappinfo.c:
+	* gasyncresult.c:
+	* gdesktopappinfo.c:
+	* gdrive.c:
+	* gfile.c:
+	* gicon.c:
+	* gloadableicon.c:
+	* gmount.c:
+	* gseekable.c:
+	* gvolume.c: Register types thread-safely. 
+	Patch by Christian Persch
+
 2008-07-19  Matthias Clasen  <mclasen@redhat.com>
 
 	Merge from trunk:

gio/gappinfo.c

@@ -46,11 +46,11 @@ static void g_app_info_class_init (gpointer g_class,
 GType
 g_app_info_get_type (void)
 {
-  static GType app_info_type = 0;
+  static volatile gsize g_define_type_id__volatile = 0;
 
-  if (! app_info_type)
+  if (g_once_init_enter (&g_define_type_id__volatile))
     {
-      static const GTypeInfo app_info_info =
+     const GTypeInfo app_info_info =
       {
         sizeof (GAppInfoIface), /* class_size */
 	g_app_info_base_init,   /* base_init */
@@ -62,15 +62,16 @@ g_app_info_get_type (void)
 	0,              /* n_preallocs */
 	NULL
       };
-
-      app_info_type =
+      GType g_define_type_id =
 	g_type_register_static (G_TYPE_INTERFACE, I_("GAppInfo"),
 				&app_info_info, 0);
 
-      g_type_interface_add_prerequisite (app_info_type, G_TYPE_OBJECT);
+      g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_OBJECT);
+
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
     }
 
-  return app_info_type;
+  return g_define_type_id__volatile;
 }
 
 static void

gio/gasyncresult.c

@@ -115,11 +115,11 @@ static void g_async_result_class_init (gpointer g_class,
 GType
 g_async_result_get_type (void)
 {
-  static GType async_result_type = 0;
+  static volatile gsize g_define_type_id__volatile = 0;
 
-  if (! async_result_type)
+  if (g_once_init_enter (&g_define_type_id__volatile))
     {
-      static const GTypeInfo async_result_info =
+      const GTypeInfo async_result_info =
       {
         sizeof (GAsyncResultIface), /* class_size */
 	g_async_result_base_init,   /* base_init */
@@ -131,15 +131,16 @@ g_async_result_get_type (void)
 	0,              /* n_preallocs */
 	NULL
       };
-
-      async_result_type =
+      GType g_define_type_id =
 	g_type_register_static (G_TYPE_INTERFACE, I_("GAsyncResult"),
 				&async_result_info, 0);
 
-      g_type_interface_add_prerequisite (async_result_type, G_TYPE_OBJECT);
+      g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_OBJECT);
+
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
     }
 
-  return async_result_type;
+  return g_define_type_id__volatile;
 }
 
 static void

gio/gdesktopappinfo.c

@@ -2484,11 +2484,11 @@ static void g_desktop_app_info_lookup_class_init (gpointer g_class,
 GType
 g_desktop_app_info_lookup_get_type (void)
 {
-  static GType desktop_app_info_lookup_type = 0;
+  static volatile gsize g_define_type_id__volatile = 0;
 
-  if (! desktop_app_info_lookup_type)
+  if (g_once_init_enter (&g_define_type_id__volatile))
     {
-      static const GTypeInfo desktop_app_info_lookup_info =
+      const GTypeInfo desktop_app_info_lookup_info =
       {
         sizeof (GDesktopAppInfoLookupIface), /* class_size */
 	g_desktop_app_info_lookup_base_init,   /* base_init */
@@ -2500,15 +2500,16 @@ g_desktop_app_info_lookup_get_type (void)
 	0,              /* n_preallocs */
 	NULL
       };
-
-      desktop_app_info_lookup_type =
+      GType g_define_type_id =
 	g_type_register_static (G_TYPE_INTERFACE, I_("GDesktopAppInfoLookup"),
 				&desktop_app_info_lookup_info, 0);
 
-      g_type_interface_add_prerequisite (desktop_app_info_lookup_type, G_TYPE_OBJECT);
+      g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_OBJECT);
+
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
     }
 
-  return desktop_app_info_lookup_type;
+  return g_define_type_id__volatile;
 }
 
 static void

gio/gdrive.c

@@ -59,11 +59,11 @@ static void g_drive_class_init (gpointer g_class,
 GType
 g_drive_get_type (void)
 {
-  static GType drive_type = 0;
+  static volatile gsize g_define_type_id__volatile = 0;
 
-  if (! drive_type)
+  if (g_once_init_enter (&g_define_type_id__volatile))
     {
-      static const GTypeInfo drive_info =
+      const GTypeInfo drive_info =
       {
         sizeof (GDriveIface), /* class_size */
 	g_drive_base_init,   /* base_init */
@@ -75,15 +75,16 @@ g_drive_get_type (void)
 	0,              /* n_preallocs */
 	NULL
       };
-
-      drive_type =
+      GType g_define_type_id =
 	g_type_register_static (G_TYPE_INTERFACE, I_("GDrive"),
 				&drive_info, 0);
 
-      g_type_interface_add_prerequisite (drive_type, G_TYPE_OBJECT);
+      g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_OBJECT);
+
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
     }
 
-  return drive_type;
+  return g_define_type_id__volatile;
 }
 
 static void

gio/gfile.c

@@ -236,11 +236,11 @@ static gboolean           g_file_real_copy_finish                 (GFile
 GType
 g_file_get_type (void)
 {
-  static GType file_type = 0;
+  static volatile gsize g_define_type_id__volatile = 0;
 
-  if (! file_type)
+  if (g_once_init_enter (&g_define_type_id__volatile))
     {
-      static const GTypeInfo file_info =
+      const GTypeInfo file_info =
       {
         sizeof (GFileIface), /* class_size */
 	g_file_base_init,   /* base_init */
@@ -252,15 +252,16 @@ g_file_get_type (void)
 	0,              /* n_preallocs */
 	NULL
       };
-
-      file_type =
+      GType g_define_type_id =
 	g_type_register_static (G_TYPE_INTERFACE, I_("GFile"),
 				&file_info, 0);
 
-      g_type_interface_add_prerequisite (file_type, G_TYPE_OBJECT);
+      g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_OBJECT);
+
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
     }
 
-  return file_type;
+  return g_define_type_id__volatile;
 }
 
 static void

gio/gicon.c

@@ -51,11 +51,11 @@ static void g_icon_class_init (gpointer g_class,
 GType
 g_icon_get_type (void)
 {
-  static GType icon_type = 0;
+  static volatile gsize g_define_type_id__volatile = 0;
 
-  if (! icon_type)
+  if (g_once_init_enter (&g_define_type_id__volatile))
     {
-      static const GTypeInfo icon_info =
+      const GTypeInfo icon_info =
       {
         sizeof (GIconIface), /* class_size */
 	g_icon_base_init,   /* base_init */
@@ -67,15 +67,16 @@ g_icon_get_type (void)
 	0,              /* n_preallocs */
 	NULL
       };
-
-      icon_type =
+      GType g_define_type_id =
 	g_type_register_static (G_TYPE_INTERFACE, I_("GIcon"),
 				&icon_info, 0);
 
-      g_type_interface_add_prerequisite (icon_type, G_TYPE_OBJECT);
+      g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_OBJECT);
+
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
     }
 
-  return icon_type;
+  return g_define_type_id__volatile;
 }
 
 static void

gio/gloadableicon.c

@@ -53,11 +53,11 @@ static void          g_loadable_icon_class_init       (gpointer              g_c
 GType
 g_loadable_icon_get_type (void)
 {
-  static GType loadable_icon_type = 0;
+  static volatile gsize g_define_type_id__volatile = 0;
 
-  if (! loadable_icon_type)
+  if (g_once_init_enter (&g_define_type_id__volatile))
     {
-      static const GTypeInfo loadable_icon_info =
+      const GTypeInfo loadable_icon_info =
 	{
         sizeof (GLoadableIconIface), /* class_size */
 	g_loadable_icon_base_init,   /* base_init */
@@ -69,15 +69,16 @@ g_loadable_icon_get_type (void)
 	0,              /* n_preallocs */
 	NULL
       };
-
-      loadable_icon_type =
+      GType g_define_type_id =
 	g_type_register_static (G_TYPE_INTERFACE, I_("GLoadableIcon"),
 				&loadable_icon_info, 0);
 
-      g_type_interface_add_prerequisite (loadable_icon_type, G_TYPE_ICON);
+      g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_ICON);
+
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
     }
 
-  return loadable_icon_type;
+  return g_define_type_id__volatile;
 }
 
 static void

gio/gmount.c

@@ -68,11 +68,11 @@ static void g_mount_class_init (gpointer g_class,
 GType
 g_mount_get_type (void)
 {
-  static GType mount_type = 0;
+  static volatile gsize g_define_type_id__volatile = 0;
 
-  if (! mount_type)
+  if (g_once_init_enter (&g_define_type_id__volatile))
     {
-      static const GTypeInfo mount_info =
+      const GTypeInfo mount_info =
       {
         sizeof (GMountIface), /* class_size */
 	g_mount_base_init,   /* base_init */
@@ -84,15 +84,16 @@ g_mount_get_type (void)
 	0,              /* n_preallocs */
 	NULL
       };
-
-      mount_type =
+      GType g_define_type_id =
 	g_type_register_static (G_TYPE_INTERFACE, I_("GMount"),
 				&mount_info, 0);
 
-      g_type_interface_add_prerequisite (mount_type, G_TYPE_OBJECT);
+      g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_OBJECT);
+
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
     }
 
-  return mount_type;
+  return g_define_type_id__volatile;
 }
 
 static void

gio/gseekable.c

@@ -44,11 +44,11 @@ static void g_seekable_base_init (gpointer g_class);
 GType
 g_seekable_get_type (void)
 {
-  static GType seekable_type = 0;
+  static volatile gsize g_define_type_id__volatile = 0;
 
-  if (!seekable_type)
+  if (g_once_init_enter (&g_define_type_id__volatile))
     {
-      static const GTypeInfo seekable_info =
+      const GTypeInfo seekable_info =
       {
         sizeof (GSeekableIface), /* class_size */
 	g_seekable_base_init,   /* base_init */
@@ -60,15 +60,16 @@ g_seekable_get_type (void)
 	0,              /* n_preallocs */
 	NULL
       };
-
-      seekable_type =
+      GType g_define_type_id =
 	g_type_register_static (G_TYPE_INTERFACE, I_("GSeekable"),
 				&seekable_info, 0);
 
-      g_type_interface_add_prerequisite (seekable_type, G_TYPE_OBJECT);
+      g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_OBJECT);
+
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
     }
 
-  return seekable_type;
+  return g_define_type_id__volatile;
 }
 
 static void

gio/gvolume.c

@@ -78,11 +78,11 @@ static void g_volume_class_init (gpointer g_class,
 GType
 g_volume_get_type (void)
 {
-  static GType volume_type = 0;
+  static volatile gsize g_define_type_id__volatile = 0;
 
-  if (! volume_type)
+  if (g_once_init_enter (&g_define_type_id__volatile))
     {
-      static const GTypeInfo volume_info =
+      const GTypeInfo volume_info =
       {
         sizeof (GVolumeIface), /* class_size */
 	g_volume_base_init,   /* base_init */
@@ -94,15 +94,16 @@ g_volume_get_type (void)
 	0,              /* n_preallocs */
 	NULL
       };
-
-      volume_type =
+      GType g_define_type_id =
 	g_type_register_static (G_TYPE_INTERFACE, I_("GVolume"),
 				&volume_info, 0);
 
-      g_type_interface_add_prerequisite (volume_type, G_TYPE_OBJECT);
+      g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_OBJECT);
+
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
     }
 
-  return volume_type;
+  return g_define_type_id__volatile;
 }
 
 static void