# HG changeset patch
# Parent ee5fba125e833abf7a694056147e2a40b7b19e18
diff -r ee5fba125e83 -r 9342a7524d9a Lib/multiprocessing/util.py
--- a/Lib/multiprocessing/util.py	Wed Mar 27 10:49:29 2013 +0000
+++ b/Lib/multiprocessing/util.py	Wed Mar 27 10:55:49 2013 +0000
@@ -322,10 +322,13 @@
 
 class ForkAwareThreadLock(object):
     def __init__(self):
+        self._reset()
+        register_after_fork(self, ForkAwareThreadLock._reset)
+
+    def _reset(self):
         self._lock = threading.Lock()
         self.acquire = self._lock.acquire
         self.release = self._lock.release
-        register_after_fork(self, ForkAwareThreadLock.__init__)
 
 class ForkAwareLocal(threading.local):
     def __init__(self):