diff -r 6641e941ef1e -r ff1a9aa48cfd app/django/db/models/signals.py
--- a/app/django/db/models/signals.py	Tue Oct 14 12:36:55 2008 +0000
+++ b/app/django/db/models/signals.py	Tue Oct 14 16:00:59 2008 +0000
@@ -1,12 +1,14 @@
-class_prepared = object()
+from django.dispatch import Signal
 
-pre_init= object()
-post_init = object()
+class_prepared = Signal(providing_args=["class"])
+
+pre_init = Signal(providing_args=["instance", "args", "kwargs"])
+post_init = Signal(providing_args=["instance"])
 
-pre_save = object()
-post_save = object()
+pre_save = Signal(providing_args=["instance", "raw"])
+post_save = Signal(providing_args=["instance", "raw", "created"])
 
-pre_delete = object()
-post_delete = object()
+pre_delete = Signal(providing_args=["instance"])
+post_delete = Signal(providing_args=["instance"])
 
-post_syncdb = object()
+post_syncdb = Signal(providing_args=["class", "app", "created_models", "verbosity", "interactive"])