Index: trunk/Ohana/src/opihi/lib.shell/SocketOps.c
===================================================================
--- trunk/Ohana/src/opihi/lib.shell/SocketOps.c	(revision 21041)
+++ trunk/Ohana/src/opihi/lib.shell/SocketOps.c	(revision 23530)
@@ -5,4 +5,6 @@
 # define DEBUG 0
 
+// these three static variables are only modified in the setup command before
+// the threads are started.  Thread-safety is not a problem for these.
 static int NVALID;
 static int Nvalid;