Merged revisions 74063 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

NB: the news item for r73708 seems to have inadvertently been included in a
different, unrelated merge set (r74055).  I restored it here.

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  r74063 | alexandre.vassalotti | 2009-07-17 08:07:01 -0400 (Fri, 17 Jul 2009) | 17 lines

  Merged revisions 73694,73708,73738 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r73694 | jesse.noller | 2009-06-29 14:24:26 -0400 (Mon, 29 Jun 2009) | 1 line

    Issue 5740: multiprocessing.connection.* authkey fixes
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    r73708 | jesse.noller | 2009-06-30 13:11:52 -0400 (Tue, 30 Jun 2009) | 1 line

    Resolves issues 5155, 5313, 5331 - bad file descriptor error with processes in processes
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    r73738 | r.david.murray | 2009-06-30 22:49:10 -0400 (Tue, 30 Jun 2009) | 2 lines

    Make punctuation prettier and break up run-on sentence.
  ........
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Lib/multiprocessing/process.py

@@ -221,7 +221,8 @@ class Process(object):
             self._counter = itertools.count(1)
             if sys.stdin is not None:
                 try:
-                    os.close(sys.stdin.fileno())
+                    sys.stdin.close()
+                    sys.stdin = open(os.devnull)
                 except (OSError, ValueError):
                     pass
             _current_process = self