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Fix strict aliasing warnings and viiolations to make GLib and

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GLib users buildable with gcc 4.4. Patch by Jakub Jelinek.

        * glib/gatomic.[hc]: Add G_GNUC_MAY_ALIAS to pointer arguments,
        fix macro versions to only operate on objects of the same size.

        * glib/gdataset.c:
        * glib/gthread.[hc]:
        * glib/gdatasetprivate.h: Remove unnecessary casts in
        g_atomic_pointer_get calls.


svn path=/trunk/; revision=7875
This commit is contained in:
Matthias Clasen
2009-02-17 16:14:39 +00:00
parent 3277f24dfc
commit c8e37b63e7
9 changed files with 115 additions and 84 deletions
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8
gobject/gobject.c
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@@ -807,7 +807,7 @@ g_object_freeze_notify (GObject *object)
{
g_return_if_fail (G_IS_OBJECT (object));
if (g_atomic_int_get ((int *)&object->ref_count) == 0)
if (g_atomic_int_get (&object->ref_count) == 0)
return;
g_object_ref (object);
@@ -830,7 +830,7 @@ g_object_notify (GObject *object,
g_return_if_fail (G_IS_OBJECT (object));
g_return_if_fail (property_name != NULL);
if (g_atomic_int_get ((int *)&object->ref_count) == 0)
if (g_atomic_int_get (&object->ref_count) == 0)
return;
g_object_ref (object);
@@ -875,7 +875,7 @@ g_object_thaw_notify (GObject *object)
GObjectNotifyQueue *nqueue;
g_return_if_fail (G_IS_OBJECT (object));
if (g_atomic_int_get ((int *)&object->ref_count) == 0)
if (g_atomic_int_get (&object->ref_count) == 0)
return;
g_object_ref (object);
@@ -2377,7 +2377,7 @@ g_object_unref (gpointer _object)
/* here we want to atomically do: if (ref_count>1) { ref_count--; return; } */
retry_atomic_decrement1:
old_ref = g_atomic_int_get ((int *)&object->ref_count);
old_ref = g_atomic_int_get (&object->ref_count);
if (old_ref > 1)
{
if (!g_atomic_int_compare_and_exchange ((int *)&object->ref_count, old_ref, old_ref - 1))