Issue #11140: Lock.release() now raises a RuntimeError when attempting
to release an unacquired lock, as claimed in the threading documentation.
The _thread.error exception is now an alias of RuntimeError.
diff --git a/Modules/_threadmodule.c b/Modules/_threadmodule.c
index 2d3be5d..14ed55e 100644
--- a/Modules/_threadmodule.c
+++ b/Modules/_threadmodule.c
@@ -1308,7 +1308,9 @@
/* Add a symbolic constant */
d = PyModule_GetDict(m);
- ThreadError = PyErr_NewException("_thread.error", NULL, NULL);
+ ThreadError = PyExc_RuntimeError;
+ Py_INCREF(ThreadError);
+
PyDict_SetItemString(d, "error", ThreadError);
Locktype.tp_doc = lock_doc;
Py_INCREF(&Locktype);