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authorFred Drake <fdrake@acm.org>2001-06-22 17:20:29 (GMT)
committerFred Drake <fdrake@acm.org>2001-06-22 17:20:29 (GMT)
commitf66cb5d0eb79083ceaa4b6a1eac6928ce2ebb1e7 (patch)
treebb7ee1c017f453add0fbec05cad424181dce3efe /Doc
parent9ca78ac57fbebcedba27c0f4487d295527b1f367 (diff)
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Corrected an error in the information on supporting weak references in
extension types (the docs reflected a development version of the API). This closes SF bug #435066.
Diffstat (limited to 'Doc')
-rw-r--r--Doc/lib/libweakref.tex16
1 files changed, 7 insertions, 9 deletions
diff --git a/Doc/lib/libweakref.tex b/Doc/lib/libweakref.tex
index 077e25c..0d92ea9 100644
--- a/Doc/lib/libweakref.tex
+++ b/Doc/lib/libweakref.tex
@@ -226,28 +226,26 @@ PyTypeObject PyInstance_Type = {
0,
"instance",
- /* lots of stuff omitted for brevity */
+ /* Lots of stuff omitted for brevity... */
offsetof(PyInstanceObject, in_weakreflist) /* tp_weaklistoffset */
};
\end{verbatim}
The only further addition is that the destructor needs to call the
-weak reference manager to clear any weak references and return if the
-object has been resurrected. This needs to occur before any other
-parts of the destruction have occurred:
+weak reference manager to clear any weak references. This should be
+done before any other parts of the destruction have occurred:
\begin{verbatim}
static void
instance_dealloc(PyInstanceObject *inst)
{
- /* allocate tempories if needed, but do not begin
- destruction here
+ /* Allocate tempories if needed, but do not begin
+ destruction just yet.
*/
- if (!PyObject_ClearWeakRefs((PyObject *) inst))
- return;
+ PyObject_ClearWeakRefs((PyObject *) inst);
- /* proceed with object destuction normally */
+ /* Proceed with object destuction normally. */
}
\end{verbatim}