dont allow them to add an event which does not select anything (has a nill mask)

1992-03-20 18:23:32 +00:00
parent 90636dfd74
commit fbc9f870e4
1 changed files with 5 additions and 0 deletions
@@ -57,6 +57,8 @@
 /*	031292 	joh	clear pend recv cnt even if its a poll in	*/
 /*			ca_pend_io()					*/
 /*	031892 	joh	initial broadcast retry delay is now a #define	*/
+/*	032092	joh	dont allow them to add an event which does not	*/
+/*			select anything (has a nill mask)		*/
 /*									*/
 /*_begin								*/
 /************************************************************************/
@@ -1539,6 +1541,9 @@ unsigned			mask;
  if(count > chix->count && chix->type != TYPENOTCONN)
    return ECA_BADCOUNT;

+  if(!mask)
+    return ECA_BADMASK;
+
  LOCK;

  /*	event descriptor	*/