[Python-checkins] python/dist/src/Objects weakrefobject.c,,

tim_one at users.sourceforge.net tim_one at users.sourceforge.net
Sun Oct 31 02:13:34 CEST 2004

Update of /cvsroot/python/python/dist/src/Objects
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv2582/Objects

Modified Files:
      Tag: release23-maint
Log Message:
SF 1055820: weakref callback vs gc vs threads

In cyclic gc, clear all weakrefs to unreachable objects before allowing any
Python code (weakref callbacks or __del__ methods) to run.

This is a critical bugfix, affecting all versions of Python since weakrefs
were introduced.

Index: weakrefobject.c
RCS file: /cvsroot/python/python/dist/src/Objects/weakrefobject.c,v
retrieving revision
retrieving revision
diff -u -d -r1.13.6.4 -r1.13.6.5
--- weakrefobject.c	3 Aug 2004 14:46:57 -0000
+++ weakrefobject.c	31 Oct 2004 00:13:07 -0000
@@ -742,7 +742,9 @@
     return PyWeakref_GET_OBJECT(ref);
+/* Note that there's an inlined copy-paste of handle_callback() in gcmodule.c's
+ * handle_weakrefs().
+ */
 static void
 handle_callback(PyWeakReference *ref, PyObject *callback)

More information about the Python-checkins mailing list