--- rpm-5.3.12/rpmio/rpmsq.c.old	2009-03-07 16:38:10.000000000 +0300
+++ rpm-5.3.12/rpmio/rpmsq.c	2011-08-07 11:06:23.363291460 +0400
@@ -443,7 +443,7 @@
     int tblsignum = (signum >= 0 ? signum : -signum);
     struct sigaction sa;
     rpmsig tbl;
-    int ret = -1;
+    int ret = (signum >= 0 ? 1 : 0);
     int xx;
 
     xx = DO_LOCK ();