update comments

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@14887 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/include/cm.h b/src/include/cm.h
index a04f271d5c1f46ad3c67a844121ba707972c2f0c..4d8ac60a6f9028c5240d68a7a6abeb9352c6c79a 100644 (file)
--- a/src/include/cm.h
+++ b/src/include/cm.h
@@ -27,7 +27,7 @@
 struct select_state {
     int max, nfds;
     fd_set rfds, wfds, xfds;
-    struct timeval end_time;
+    struct timeval end_time;   /* magic: tv_sec==0 => never time out */
 };
 
 /* Select state flags.  */