K 10 svn:author V 7 iedowse K 8 svn:date V 27 2005-03-22T00:56:54.000000Z K 7 svn:log V 361 MFC: handle concurrent attempts to abort the same transfer, by sleeping if necessary and prioritising normal abort requests over timeouts. This fixes crashes that occur when a transfer is aborted after it has timed out but before the timeout processing completes, as was quite frequently seen when lpd was printing to a USB printer. Approved by: re (kensmith) END