Merged revisions 73917 via svnmerge from

Merged revisions 73917 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

(the changes that add a select.PIPE_BUF attribute were removed)

This merge fixes issue3392

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  r73917 | amaury.forgeotdarc | 2009-07-09 15:44:11 -0700 (Thu, 09 Jul 2009) | 12 lines

  Merged revisions 73916 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r73916 | amaury.forgeotdarc | 2009-07-10 00:37:22 +0200 (ven., 10 juil. 2009) | 5 lines

    #6416: Fix compilation of the select module on Windows, as well as test_subprocess:
    PIPE_BUF is not defined on Windows, and probably has no meaning there.

    Anyway the subprocess module uses another way to perform non-blocking reads (with a thread)
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