From 6891cd3aa37ac3d27de5563849ef848eed1fe411 Mon Sep 17 00:00:00 2001 From: Barry Warsaw Date: Sat, 28 Jun 2003 15:22:16 +0000 Subject: [PATCH] A few minor improvements --- Doc/ext/newtypes.tex | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Doc/ext/newtypes.tex b/Doc/ext/newtypes.tex index df78d54f0b7..2b915f3f44e 100644 --- a/Doc/ext/newtypes.tex +++ b/Doc/ext/newtypes.tex @@ -723,8 +723,9 @@ Noddy_traverse(Noddy *self, visitproc visit, void *arg) \end{verbatim} For each subobject that can participate in cycles, we need to call the -\cfunction{visit} function passed to the traversal method passing the -subobject and the extra argument passed to the traversal method. +\cfunction{visit} function, which is passed to the traversal method. +The \cfunction{visit} function takes as arguments the subobject and +the extra argument \var{arg} passed to the traversal method. We also need to provide a method for clearing any subobjects that can participate in cycles. We implement the method and reimplement the @@ -757,7 +758,7 @@ Finally, we add the \constant{Py_TPFLAGS_HAVE_GC} flag to the class flags: \end{verbatim} That's pretty much it. If we had written custom \member{tp_alloc} or -\member{tp_free} slots, we'd need to modify then for cyclic-garbage +\member{tp_free} slots, we'd need to modify them for cyclic-garbage collection. Most extensions will use the versions automatically provided.