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GParamSpec: avoid unnecessary double initialization of qdata

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This commit is contained in:
Matthias Clasen 2011-06-04 23:42:07 -04:00
parent 38dc7955e4
commit 9eda9d9195
1 changed files with 9 additions and 16 deletions
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25
gobject/gparam.c
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@ -163,7 +163,6 @@ g_param_spec_init (GParamSpec *pspec,
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;
@ -198,7 +197,6 @@ GParamSpec*
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);
@ -217,7 +215,6 @@ g_param_spec_unref (GParamSpec *pspec)
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);
@ -242,15 +239,11 @@ g_param_spec_unref (GParamSpec *pspec)
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);
}
@ -266,11 +259,13 @@ g_param_spec_sink (GParamSpec *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;
}
@ -919,17 +914,15 @@ g_param_spec_pool_insert (GParamSpecPool *pool,
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);