--- strace-4.5.11/signal.c	2005-02-02 05:16:54.000000000 +0100
+++ strace-4.5.11.new/signal.c	2006-11-14 15:33:54.000000000 +0100
@@ -1422,7 +1422,11 @@
 		if (umove(tcp, sp, &sc) < 0)
 		  	return 0;
 		tcp->u_arg[0] = 1;
+#ifdef LINUX_2_4
 		tcp->u_arg[1] = sc.sc_sigset;
+#else
+		tcp->u_arg[1] = sc.sc_hi2;
+#endif
 	} else {
 	  	tcp->u_rval = tcp->u_error = 0;
 		if(tcp->u_arg[0] == 0)