Merged revisions 74524 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r74524 | gregory.p.smith | 2009-08-20 04:39:38 -0500 (Thu, 20 Aug 2009) | 2 lines
Add weakref support to the thread.lock type.
........
diff --git a/Modules/_threadmodule.c b/Modules/_threadmodule.c
index 744e94d..8dc2d00 100644
--- a/Modules/_threadmodule.c
+++ b/Modules/_threadmodule.c
@@ -3,6 +3,7 @@
/* Interface to Sjoerd's portable C thread library */
#include "Python.h"
+#include "structmember.h" /* offsetof */
#ifndef WITH_THREAD
#error "Error! The rest of Python is not compiled with thread support."
@@ -20,12 +21,15 @@
typedef struct {
PyObject_HEAD
PyThread_type_lock lock_lock;
+ PyObject *in_weakreflist;
} lockobject;
static void
lock_dealloc(lockobject *self)
{
assert(self->lock_lock);
+ if (self->in_weakreflist != NULL)
+ PyObject_ClearWeakRefs((PyObject *) self);
/* Unlock the lock so it's safe to free it */
PyThread_acquire_lock(self->lock_lock, 0);
PyThread_release_lock(self->lock_lock);
@@ -145,7 +149,7 @@
0, /*tp_traverse*/
0, /*tp_clear*/
0, /*tp_richcompare*/
- 0, /*tp_weaklistoffset*/
+ offsetof(lockobject, in_weakreflist), /*tp_weaklistoffset*/
0, /*tp_iter*/
0, /*tp_iternext*/
lock_methods, /*tp_methods*/
@@ -159,6 +163,7 @@
if (self == NULL)
return NULL;
self->lock_lock = PyThread_allocate_lock();
+ self->in_weakreflist = NULL;
if (self->lock_lock == NULL) {
PyObject_Del(self);
self = NULL;