Merged revisions 85032 via svnmerge from

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

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  r85032 | antoine.pitrou | 2010-09-27 19:52:25 +0200 (lun., 27 sept. 2010) | 6 lines

  Issue #9950: Fix socket.sendall() crash or misbehaviour when a signal is
  received.  Now sendall() properly calls signal handlers if necessary,
  and retries sending if these returned successfully, including on sockets
  with a timeout.
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