pspec->value_type = class->value_type;
pspec->owner_type = 0;
pspec->qdata = NULL;
- g_datalist_init (&pspec->qdata);
g_datalist_set_flags (&pspec->qdata, PARAM_FLOATING_FLAG);
pspec->ref_count = 1;
pspec->param_id = 0;
g_param_spec_ref (GParamSpec *pspec)
{
g_return_val_if_fail (G_IS_PARAM_SPEC (pspec), NULL);
- g_return_val_if_fail (pspec->ref_count > 0, NULL);
g_atomic_int_inc ((int *)&pspec->ref_count);
gboolean is_zero;
g_return_if_fail (G_IS_PARAM_SPEC (pspec));
- g_return_if_fail (pspec->ref_count > 0);
is_zero = g_atomic_int_dec_and_test ((int *)&pspec->ref_count);
void
g_param_spec_sink (GParamSpec *pspec)
{
- gpointer oldvalue;
+ gsize oldvalue;
g_return_if_fail (G_IS_PARAM_SPEC (pspec));
- g_return_if_fail (pspec->ref_count > 0);
- do
- oldvalue = g_atomic_pointer_get (&pspec->qdata);
- while (!g_atomic_pointer_compare_and_exchange ((void**) &pspec->qdata, oldvalue,
- (gpointer) ((gsize) oldvalue & ~(gsize) PARAM_FLOATING_FLAG)));
- if ((gsize) oldvalue & PARAM_FLOATING_FLAG)
+ oldvalue = g_atomic_pointer_and (&pspec->qdata, ~(gsize)PARAM_FLOATING_FLAG);
+ if (oldvalue & PARAM_FLOATING_FLAG)
g_param_spec_unref (pspec);
}
GParamSpec*
g_param_spec_ref_sink (GParamSpec *pspec)
{
+ gsize oldvalue;
g_return_val_if_fail (G_IS_PARAM_SPEC (pspec), NULL);
- g_return_val_if_fail (pspec->ref_count > 0, NULL);
- g_param_spec_ref (pspec);
- g_param_spec_sink (pspec);
+ oldvalue = g_atomic_pointer_and (&pspec->qdata, ~(gsize)PARAM_FLOATING_FLAG);
+ if (!(oldvalue & PARAM_FLOATING_FLAG))
+ g_param_spec_ref (pspec);
+
return pspec;
}
if (pool && pspec && owner_type > 0 && pspec->owner_type == 0)
{
- G_SLOCK (&pool->smutex);
for (p = pspec->name; *p; p++)
{
if (!strchr (G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-_", *p))
{
g_warning (G_STRLOC ": pspec name \"%s\" contains invalid characters", pspec->name);
- G_SUNLOCK (&pool->smutex);
return;
}
}
-
+ G_SLOCK (&pool->smutex);
pspec->owner_type = owner_type;
g_param_spec_ref (pspec);
g_hash_table_insert (pool->hash_table, pspec, pspec);