Update of /cvsroot/python/python/dist/src/Objects
In directory usw-pr-cvs1:/tmp/cvs-serv18101/Objects
Modified Files:
Tag: release22-maint
object.c
Log Message:
SF bug 578752: COUNT_ALLOCS vs heap types
Repair segfaults and infinite loops in COUNT_ALLOCS builds in the
presence of new-style (heap-allocated) classes/types.
Note: test_gc fails in a COUNT_ALLOCS build now, because it expects
a new-style class to get garbage collected.
Index: object.c
===================================================================
RCS file: /cvsroot/python/python/dist/src/Objects/object.c,v
retrieving revision 2.162.6.4
retrieving revision 2.162.6.5
diff -C2 -d -r2.162.6.4 -r2.162.6.5
*** object.c 13 Jun 2002 21:39:47 -0000 2.162.6.4
--- object.c 8 Jul 2002 22:30:52 -0000 2.162.6.5
***************
*** 80,83 ****
--- 80,92 ----
Py_FatalError("XXX inc_count sanity check");
tp->tp_next = type_list;
+ /* Note that as of Python 2.2, heap-allocated type objects
+ * can go away, but this code requires that they stay alive
+ * until program exit. That's why we're careful with
+ * refcounts here. type_list gets a new reference to tp,
+ * while ownership of the reference type_list used to hold
+ * (if any) was transferred to tp->tp_next in the line above.
+ * tp is thus effectively immortal after this.
+ */
+ Py_INCREF(tp);
type_list = tp;
}
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