K 10 svn:author V 7 davidxu K 8 svn:date V 27 2004-12-24T11:59:20.000000Z K 7 svn:log V 194 Add umtxq_lock/unlock around umtx_signal, fix debug kernel compiling, let umtx_lock returns EINTR when it returns ERESTART, this lets userland have chance to back off mtx lock code when needed. END