diff -r bc88690df059 Lib/socketserver.py
--- a/Lib/socketserver.py	Tue Jan 29 13:35:00 2013 +0100
+++ b/Lib/socketserver.py	Tue Jan 29 14:02:15 2013 +0100
@@ -424,8 +424,12 @@ class TCPServer(BaseServer):
     def __init__(self, server_address, RequestHandlerClass, bind_and_activate=True):
         """Constructor.  May be extended, do not override."""
         BaseServer.__init__(self, server_address, RequestHandlerClass)
+
+        # [Bug #1222790] set close-on-exec flag; if a method spawns a
+        # subprocess, the subprocess shouldn't have the listening socket open.
         self.socket = socket.socket(self.address_family,
-                                    self.socket_type)
+                                    self.socket_type,
+                                    cloexec=True)
         if bind_and_activate:
             self.server_bind()
             self.server_activate()
diff -r bc88690df059 Lib/xmlrpc/server.py
--- a/Lib/xmlrpc/server.py	Tue Jan 29 13:35:00 2013 +0100
+++ b/Lib/xmlrpc/server.py	Tue Jan 29 14:02:15 2013 +0100
@@ -584,12 +584,6 @@ class SimpleXMLRPCServer(socketserver.TC
         SimpleXMLRPCDispatcher.__init__(self, allow_none, encoding, use_builtin_types)
         socketserver.TCPServer.__init__(self, addr, requestHandler, bind_and_activate)
 
-        # [Bug #1222790] If possible, set close-on-exec flag; if a
-        # method spawns a subprocess, the subprocess shouldn't have
-        # the listening socket open.
-        if hasattr(os, 'set_cloexec'):
-            os.set_cloexec(self.fileno())
-
 class MultiPathXMLRPCServer(SimpleXMLRPCServer):
     """Multipath XML-RPC Server
     This specialization of SimpleXMLRPCServer allows the user to create