K 10 svn:author V 7 rwatson K 8 svn:date V 27 2006-03-24T00:26:25.000000Z K 7 svn:log V 170 Protect spx_iss using its own mutex, spx_mtx, rather than piggy-backing on the global IPX mutex, which is not held at all necessary strategic points. MFC after: 1 month END