K 10 svn:author V 6 jasone K 8 svn:date V 27 2000-10-04T01:29:17.000000Z K 7 svn:log V 217 Convert lockmgr locks from using simple locks to using mutexes. Add lockdestroy() and appropriate invocations, which corresponds to lockinit() and must be called to clean up after a lockmgr lock is no longer needed. END