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app: add a debug facility that keeps track of allocated GimpObjects

This commit is contained in:
Michael Natterer 2010-06-23 22:30:39 +02:00
parent f6781d15c4
commit e44d81bd4b
3 changed files with 138 additions and 17 deletions
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4
app/app.c
View File

@ -255,6 +255,10 @@ app_run (const gchar *full_prog_name,
g_object_unref (gimp);
#ifdef DEBUG_INSTANCES
gimp_object_debug_instances ();
#endif
errors_exit ();
gegl_exit ();
base_exit ();

145
app/core/gimpobject.c
View File

@ -53,33 +53,68 @@ struct _GimpObjectPrivate
};
static void gimp_object_dispose (GObject *object);
static void gimp_object_finalize (GObject *object);
static void gimp_object_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_object_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static gint64 gimp_object_real_get_memsize (GimpObject *object,
gint64 *gui_size);
static void gimp_object_name_normalize (GimpObject *object);
static void gimp_object_class_init (GimpObjectClass *klass);
static void gimp_object_init (GimpObject *object,
GimpObjectClass *klass);
static void gimp_object_dispose (GObject *object);
static void gimp_object_finalize (GObject *object);
static void gimp_object_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_object_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static gint64 gimp_object_real_get_memsize (GimpObject *object,
gint64 *gui_size);
static void gimp_object_name_normalize (GimpObject *object);
G_DEFINE_TYPE (GimpObject, gimp_object, G_TYPE_OBJECT)
#define parent_class gimp_object_parent_class
static GObjectClass *parent_class = NULL;
static guint object_signals[LAST_SIGNAL] = { 0 };
#ifdef DEBUG_INSTANCES
static GHashTable *class_hash = NULL;
#endif
GType
gimp_object_get_type (void)
{
static GType object_type = 0;
if (! object_type)
{
const GTypeInfo object_info =
{
sizeof (GimpObjectClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_object_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpObject),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_object_init,
};
object_type = g_type_register_static (G_TYPE_OBJECT,
"GimpObject",
&object_info, 0);
}
return object_type;
}
static void
gimp_object_class_init (GimpObjectClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_signals[DISCONNECT] =
g_signal_new ("disconnect",
G_TYPE_FROM_CLASS (klass),
@ -115,16 +150,44 @@ gimp_object_class_init (GimpObjectClass *klass)
G_PARAM_CONSTRUCT));
g_type_class_add_private (klass,
sizeof (GimpObjectPrivate));
#ifdef DEBUG_INSTANCES
class_hash = g_hash_table_new_full (g_str_hash,
g_str_equal,
NULL,
(GDestroyNotify )g_hash_table_unref);
#endif
}
static void
gimp_object_init (GimpObject *object)
gimp_object_init (GimpObject *object,
GimpObjectClass *klass)
{
object->p = G_TYPE_INSTANCE_GET_PRIVATE (object,
GIMP_TYPE_OBJECT,
GimpObjectPrivate);
object->p->name = NULL;
object->p->normalized = NULL;
#ifdef DEBUG_INSTANCES
{
GHashTable *instance_hash;
const gchar *type_name;
type_name = g_type_name (G_TYPE_FROM_CLASS (klass));
instance_hash = g_hash_table_lookup (class_hash, type_name);
if (! instance_hash)
{
instance_hash = g_hash_table_new (g_direct_hash,
g_direct_equal);
g_hash_table_insert (class_hash, (gchar *) type_name, instance_hash);
}
g_hash_table_insert (instance_hash, object, object);
}
#endif /* DEBUG_INSTANCES */
}
static void
@ -147,6 +210,25 @@ gimp_object_finalize (GObject *object)
{
gimp_object_name_free (GIMP_OBJECT (object));
#ifdef DEBUG_INSTANCES
{
GHashTable *instance_hash;
const gchar *type_name;
type_name = g_type_name (G_OBJECT_TYPE (object));
instance_hash = g_hash_table_lookup (class_hash, type_name);
if (instance_hash)
{
g_hash_table_remove (instance_hash, object);
if (g_hash_table_size (instance_hash) == 0)
g_hash_table_remove (class_hash, type_name);
}
}
#endif /* DEBUG_INSTANCES */
G_OBJECT_CLASS (parent_class)->finalize (object);
}
@ -486,3 +568,32 @@ gimp_object_real_get_memsize (GimpObject *object,
return memsize + gimp_g_object_get_memsize ((GObject *) object);
}
#ifdef DEBUG_INSTANCES
static void
gimp_object_debug_instance_foreach (GimpObject *object)
{
g_printerr (" \'%s\': ref_count = %d\n",
gimp_object_get_name (object), G_OBJECT (object)->ref_count);
}
static void
gimp_object_debug_class_foreach (const gchar *type_name,
GHashTable *instance_hash)
{
g_printerr ("Leaked %s instances: %d\n",
type_name, g_hash_table_size (instance_hash));
g_hash_table_foreach (instance_hash,
(GHFunc) gimp_object_debug_instance_foreach,
NULL);
}
void
gimp_object_debug_instances (void)
{
g_hash_table_foreach (class_hash,
(GHFunc) gimp_object_debug_class_foreach,
NULL);
}
#endif /* DEBUG_INSTANCES */

6
app/core/gimpobject.h
View File

@ -70,5 +70,11 @@ gint gimp_object_name_collate (GimpObject *object1,
gint64 gimp_object_get_memsize (GimpObject *object,
gint64 *gui_size);
/* #define DEBUG_INSTANCES 1 */
#ifdef DEBUG_INSTANCES
void gimp_object_debug_instances (void);
#endif
#endif /* __GIMP_OBJECT_H__ */