diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index 58c0b10..8f4e46d 100644
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -1,4 +1,4 @@
-/* 
+/*
  * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
  * Licensed under the GPL
  */
@@ -10,6 +10,19 @@
 #include "sysdep/ptrace.h"
 #include "sysdep/faultinfo.h"
 
+typedef void (*kern_hndl)(int, union uml_pt_regs *);
+
+struct kern_handlers {
+	kern_hndl relay_signal;
+	kern_hndl winch;
+	kern_hndl bus_handler;
+	kern_hndl page_fault;
+	kern_hndl sigio_handler;
+	kern_hndl timer_handler;
+};
+
+extern struct kern_handlers handlinfo_kern;
+
 extern int ncpus;
 extern char *linux_prog;
 extern char *gdb_init;
@@ -109,6 +122,8 @@
 extern void free_irq(unsigned int, void *);
 extern int um_in_interrupt(void);
 extern int cpu(void);
+extern void segv_handler(int sig, union uml_pt_regs *regs);
+extern void sigio_handler(int sig, union uml_pt_regs *regs);
 
 #endif