Charles-François Natali added the comment:
And here's a patch.
----------
keywords: +patch
Added file: http://bugs.python.org/file29244/thread_local_concurrent.diff
_______________________________________
Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue17263>
_______________________________________
--- Python-3.3.0/Modules/_threadmodule.c 2013-02-26 08:37:05.000000000
+0000
+++ python/Modules/_threadmodule.c 2013-02-26 08:48:24.000000000 +0000
@@ -769,6 +769,7 @@
local_clear(localobject *self)
{
PyThreadState *tstate;
+ PyInterpreterState *interp;
Py_CLEAR(self->args);
Py_CLEAR(self->kw);
Py_CLEAR(self->dummies);
@@ -776,13 +777,18 @@
/* Remove all strong references to dummies from the thread states */
if (self->key
&& (tstate = PyThreadState_Get())
- && tstate->interp) {
- for(tstate = PyInterpreterState_ThreadHead(tstate->interp);
- tstate;
- tstate = PyThreadState_Next(tstate)) {
+ && (interp = tstate->interp)) {
+ for (tstate = PyInterpreterState_ThreadHead(interp);
+ tstate;) {
if (tstate->dict &&
- PyDict_GetItem(tstate->dict, self->key))
+ PyDict_GetItem(tstate->dict, self->key)) {
PyDict_DelItem(tstate->dict, self->key);
+ /* the list of threads could have been altered, restart from
+ * the head */
+ tstate = PyInterpreterState_ThreadHead(interp);
+ } else {
+ tstate = PyThreadState_Next(tstate);
+ }
}
}
return 0;
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