diff -ruN xen-unstable-10712/tools/python/xen/util/xmlrpclib2.py xen-unstable-10712-cloexec/tools/python/xen/util/xmlrpclib2.py
--- xen-unstable-10712/tools/python/xen/util/xmlrpclib2.py	2006-07-21 13:31:22.000000000 -0400
+++ xen-unstable-10712-cloexec/tools/python/xen/util/xmlrpclib2.py	2006-08-14 21:00:33.000000000 -0400
@@ -22,6 +22,7 @@
 
 import string
 import types
+import fcntl
 
 from httplib import HTTPConnection, HTTP
 from xmlrpclib import Transport
@@ -136,6 +137,17 @@
                  logRequests=1):
         SimpleXMLRPCServer.__init__(self, addr, requestHandler, logRequests)
 
+        flags = fcntl.fcntl(self.fileno(), fcntl.F_GETFD)
+        flags |= fcntl.FD_CLOEXEC
+        fcntl.fcntl(self.fileno(), fcntl.F_SETFD, flags)
+
+    def get_request(self):
+        (client, addr) = SimpleXMLRPCServer.get_request(self)
+        flags = fcntl.fcntl(client.fileno(), fcntl.F_GETFD)
+        flags |= fcntl.FD_CLOEXEC
+        fcntl.fcntl(client.fileno(), fcntl.F_SETFD, flags)
+        return (client, addr)
+                                                                                
     def _marshaled_dispatch(self, data, dispatch_method = None):
         params, method = xmlrpclib.loads(data)
         try:
diff -ruN xen-unstable-10712/tools/python/xen/web/httpserver.py xen-unstable-10712-cloexec/tools/python/xen/web/httpserver.py
--- xen-unstable-10712/tools/python/xen/web/httpserver.py	2006-07-21 13:31:22.000000000 -0400
+++ xen-unstable-10712-cloexec/tools/python/xen/web/httpserver.py	2006-08-14 21:00:54.000000000 -0400
@@ -24,6 +24,7 @@
 from urllib import quote, unquote
 import os
 import os.path
+import fcntl
 
 from xen.xend import sxp
 from xen.xend.Args import ArgError
@@ -294,6 +295,9 @@
 
     def bind(self):
         self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        flags = fcntl.fcntl(self.socket.fileno(), fcntl.F_GETFD)
+        flags |= fcntl.FD_CLOEXEC
+        fcntl.fcntl(self.socket.fileno(), fcntl.F_SETFD, flags)
         self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
         self.socket.bind((self.interface, self.port))
 
@@ -338,3 +342,6 @@
         
     def bind(self):
         self.socket = unix.bind(self.path)
+        flags = fcntl.fcntl(self.socket.fileno(), fcntl.F_GETFD)
+        flags |= fcntl.FD_CLOEXEC
+        fcntl.fcntl(self.socket.fileno(), fcntl.F_SETFD, flags)