K 10 svn:author V 7 rwatson K 8 svn:date V 27 2004-11-28T11:01:31.000000Z K 7 svn:log V 240 Expand coverage of the receive socket buffer lock when handling urgent pointer updates: test available space while holding the socket buffer mutex, and continue to hold until until the pointer update has been performed. MFC after: 2 weeks END