-Allow noderange wvid to VM via flock regulated vncviewer startup. Still a race condition, would require patched vnc to do better.

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@2897 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-client/share/xcat/rvid/rvid.xen

@@ -3,4 +3,10 @@
 myport=${rvid_vncdisplay#*:}
 let myport=myport-5900;
 export VNC_VIA_CMD='/usr/bin/ssh -o BatchMode=yes -f -L "$L":"$H":"$R" "$G" sleep 20'
-vncviewer :$myport -via $rvid_server AutoSelect=0 FullColor=1 >& /dev/null
+(
+    flock 200
+    vncviewer :$myport -via $rvid_server AutoSelect=0 FullColor=1 >& /dev/null &
+    sleep 0.2
+    flock -u 200
+) 200> /tmp/xcat/virtvnclock
+