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author | Barry Warsaw <barry@python.org> | 2003-06-28 15:22:16 (GMT) |
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committer | Barry Warsaw <barry@python.org> | 2003-06-28 15:22:16 (GMT) |
commit | 6891cd3aa37ac3d27de5563849ef848eed1fe411 (patch) | |
tree | 0049d88ef04c51d8f1aa776f0dc26132382c1eb4 /Doc/ext | |
parent | 6c71091fbe9698255ea67f4ea2f61a1b586ff827 (diff) | |
download | cpython-6891cd3aa37ac3d27de5563849ef848eed1fe411.zip cpython-6891cd3aa37ac3d27de5563849ef848eed1fe411.tar.gz cpython-6891cd3aa37ac3d27de5563849ef848eed1fe411.tar.bz2 |
A few minor improvements
Diffstat (limited to 'Doc/ext')
-rw-r--r-- | Doc/ext/newtypes.tex | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Doc/ext/newtypes.tex b/Doc/ext/newtypes.tex index df78d54..2b915f3 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. |