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Merge branch 'gobject-speedup11' into 'main'

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Keep a separate flag for notify handlers

See merge request GNOME/glib!2725
This commit is contained in:
Philip Withnall 2022-06-07 13:43:50 +00:00
commit 12dc714437
3 changed files with 68 additions and 40 deletions
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95
gobject/gobject.c
View File

@ -151,6 +151,7 @@
((class)->constructor != g_object_constructor)
#define CLASS_HAS_CUSTOM_CONSTRUCTED(class) \
((class)->constructed != g_object_constructed)
#define CLASS_HAS_NOTIFY(class) ((class)->notify != NULL)
#define CLASS_HAS_DERIVED_CLASS_FLAG 0x2
#define CLASS_HAS_DERIVED_CLASS(class) \
@ -168,8 +169,9 @@ enum {
PROP_NONE
};
#define OPTIONAL_FLAG_IN_CONSTRUCTION 1<<0
#define OPTIONAL_FLAG_HAS_SIGNAL_HANDLER 1<<1 /* Set if object ever had a signal handler */
#define OPTIONAL_FLAG_IN_CONSTRUCTION (1 << 0)
#define OPTIONAL_FLAG_HAS_SIGNAL_HANDLER (1 << 1) /* Set if object ever had a signal handler */
#define OPTIONAL_FLAG_HAS_NOTIFY_HANDLER (1 << 2) /* Same, specifically for "notify" */
#if SIZEOF_INT == 4 && GLIB_SIZEOF_VOID_P == 8
#define HAVE_OPTIONAL_FLAGS
@ -1099,7 +1101,7 @@ object_unset_optional_flags (GObject *object,
}
gboolean
_g_object_has_signal_handler (GObject *object)
_g_object_has_signal_handler (GObject *object)
{
#ifdef HAVE_OPTIONAL_FLAGS
return (object_get_optional_flags (object) & OPTIONAL_FLAG_HAS_SIGNAL_HANDLER) != 0;
@ -1108,11 +1110,26 @@ _g_object_has_signal_handler (GObject *object)
#endif
}
void
_g_object_set_has_signal_handler (GObject *object)
static inline gboolean
_g_object_has_notify_handler (GObject *object)
{
#ifdef HAVE_OPTIONAL_FLAGS
object_set_optional_flags (object, OPTIONAL_FLAG_HAS_SIGNAL_HANDLER);
return CLASS_HAS_NOTIFY (G_OBJECT_GET_CLASS (object)) ||
(object_get_optional_flags (object) & OPTIONAL_FLAG_HAS_NOTIFY_HANDLER) != 0;
#else
return TRUE;
#endif
}
void
_g_object_set_has_signal_handler (GObject *object,
guint signal_id)
{
#ifdef HAVE_OPTIONAL_FLAGS
guint flags = OPTIONAL_FLAG_HAS_SIGNAL_HANDLER;
if (signal_id == gobject_signals[NOTIFY])
flags |= OPTIONAL_FLAG_HAS_NOTIFY_HANDLER;
object_set_optional_flags (object, flags);
#endif
}
@ -1153,9 +1170,9 @@ g_object_init (GObject *object,
object->ref_count = 1;
object->qdata = NULL;
if (CLASS_HAS_PROPS (class))
if (CLASS_HAS_PROPS (class) && CLASS_HAS_NOTIFY (class))
{
/* freeze object's notification queue, g_object_newv() preserves pairedness */
/* freeze object's notification queue, g_object_new_internal() preserves pairedness */
g_object_notify_queue_freeze (object, FALSE);
}
@ -1344,7 +1361,8 @@ g_object_notify_by_spec_internal (GObject *object,
param_spec_follow_override (&pspec);
if (pspec != NULL)
if (pspec != NULL &&
_g_object_has_notify_handler (object))
{
GObjectNotifyQueue *nqueue;
@ -1641,7 +1659,8 @@ object_set_property (GObject *object,
g_value_unset (&tmp_value);
}
if ((pspec->flags & (G_PARAM_EXPLICIT_NOTIFY|G_PARAM_READABLE)) == G_PARAM_READABLE)
if ((pspec->flags & (G_PARAM_EXPLICIT_NOTIFY | G_PARAM_READABLE)) == G_PARAM_READABLE &&
nqueue != NULL)
g_object_notify_queue_add (object, nqueue, pspec);
}
@ -2048,6 +2067,7 @@ g_object_new_internal (GObjectClass *class,
{
GObjectNotifyQueue *nqueue = NULL;
GObject *object;
guint i;
if G_UNLIKELY (CLASS_HAS_CUSTOM_CONSTRUCTOR (class))
return g_object_new_with_custom_constructor (class, params, n_params);
@ -2060,9 +2080,12 @@ g_object_new_internal (GObjectClass *class,
{
GSList *node;
/* This will have been setup in g_object_init() */
nqueue = g_datalist_id_get_data (&object->qdata, quark_notify_queue);
g_assert (nqueue != NULL);
if (CLASS_HAS_NOTIFY (class))
{
/* This will have been setup in g_object_init() */
nqueue = g_datalist_id_get_data (&object->qdata, quark_notify_queue);
g_assert (nqueue != NULL);
}
/* We will set exactly n_construct_properties construct
* properties, but they may come from either the class default
@ -2095,20 +2118,15 @@ g_object_new_internal (GObjectClass *class,
if (CLASS_HAS_CUSTOM_CONSTRUCTED (class))
class->constructed (object);
/* Set remaining properties. The construct properties will
* already have been taken, so set only the non-construct ones.
*/
for (i = 0; i < n_params; i++)
if (!(params[i].pspec->flags & (G_PARAM_CONSTRUCT | G_PARAM_CONSTRUCT_ONLY)))
object_set_property (object, params[i].pspec, params[i].value, nqueue);
if (nqueue)
{
guint i;
/* Set remaining properties. The construct properties will
* already have been taken, so set only the non-construct
* ones.
*/
for (i = 0; i < n_params; i++)
if (!(params[i].pspec->flags & (G_PARAM_CONSTRUCT | G_PARAM_CONSTRUCT_ONLY)))
object_set_property (object, params[i].pspec, params[i].value, nqueue);
g_object_notify_queue_thaw (object, nqueue);
}
g_object_notify_queue_thaw (object, nqueue);
return object;
}
@ -2504,7 +2522,7 @@ g_object_setv (GObject *object,
const GValue values[])
{
guint i;
GObjectNotifyQueue *nqueue;
GObjectNotifyQueue *nqueue = NULL;
GParamSpec *pspec;
GType obj_type;
@ -2515,7 +2533,10 @@ g_object_setv (GObject *object,
g_object_ref (object);
obj_type = G_OBJECT_TYPE (object);
nqueue = g_object_notify_queue_freeze (object, FALSE);
if (_g_object_has_notify_handler (object))
nqueue = g_object_notify_queue_freeze (object, FALSE);
for (i = 0; i < n_properties; i++)
{
pspec = g_param_spec_pool_lookup (pspec_pool, names[i], obj_type, TRUE);
@ -2526,7 +2547,9 @@ g_object_setv (GObject *object,
object_set_property (object, pspec, &values[i], nqueue);
}
g_object_notify_queue_thaw (object, nqueue);
if (nqueue)
g_object_notify_queue_thaw (object, nqueue);
g_object_unref (object);
}
@ -2544,14 +2567,16 @@ g_object_set_valist (GObject *object,
const gchar *first_property_name,
va_list var_args)
{
GObjectNotifyQueue *nqueue;
GObjectNotifyQueue *nqueue = NULL;
const gchar *name;
g_return_if_fail (G_IS_OBJECT (object));
g_object_ref (object);
nqueue = g_object_notify_queue_freeze (object, FALSE);
if (_g_object_has_notify_handler (object))
nqueue = g_object_notify_queue_freeze (object, FALSE);
name = first_property_name;
while (name)
{
@ -2588,7 +2613,9 @@ g_object_set_valist (GObject *object,
name = va_arg (var_args, gchar*);
}
g_object_notify_queue_thaw (object, nqueue);
if (nqueue)
g_object_notify_queue_thaw (object, nqueue);
g_object_unref (object);
}

10
gobject/gsignal.c
View File

@ -2422,9 +2422,9 @@ g_signal_connect_closure_by_id (gpointer instance,
Handler *handler = handler_new (signal_id, instance, after);
if (G_TYPE_IS_OBJECT (node->itype))
_g_object_set_has_signal_handler ((GObject *)instance);
_g_object_set_has_signal_handler ((GObject *) instance, signal_id);
handler_seq_no = handler->sequential_number;
handler_seq_no = handler->sequential_number;
handler->detail = detail;
handler->closure = g_closure_ref (closure);
g_closure_sink (closure);
@ -2489,9 +2489,9 @@ g_signal_connect_closure (gpointer instance,
Handler *handler = handler_new (signal_id, instance, after);
if (G_TYPE_IS_OBJECT (node->itype))
_g_object_set_has_signal_handler ((GObject *)instance);
_g_object_set_has_signal_handler ((GObject *) instance, signal_id);
handler_seq_no = handler->sequential_number;
handler_seq_no = handler->sequential_number;
handler->detail = detail;
handler->closure = g_closure_ref (closure);
g_closure_sink (closure);
@ -2593,7 +2593,7 @@ g_signal_connect_data (gpointer instance,
Handler *handler = handler_new (signal_id, instance, after);
if (G_TYPE_IS_OBJECT (node->itype))
_g_object_set_has_signal_handler ((GObject *)instance);
_g_object_set_has_signal_handler ((GObject *) instance, signal_id);
handler_seq_no = handler->sequential_number;
handler->detail = detail;

3
gobject/gtype-private.h
View File

@ -94,7 +94,8 @@ void _g_closure_invoke_va (GClosure *closure,
GType *param_types);
gboolean _g_object_has_signal_handler (GObject *object);
void _g_object_set_has_signal_handler (GObject *object);
void _g_object_set_has_signal_handler (GObject *object,
guint signal_id);
/**
* _G_DEFINE_TYPE_EXTENDED_WITH_PRELUDE: