1 files changed, 16 insertions, 0 deletions

diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index c279ee6d89e4..dd72d66cf0ed 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -9,6 +9,8 @@
 #include "uml-config.h"
 #include "asm/types.h"
 #include "../os/include/file.h"
+#include "sysdep/ptrace.h"
+#include "kern_util.h"
 
 #define OS_TYPE_FILE 1 
 #define OS_TYPE_DIR 2 
@@ -219,4 +221,18 @@ extern int umid_file_name(char *name, char *buf, int len);
 extern int set_umid(char *name);
 extern char *get_umid(void);
 
+/* signal.c */
+extern void set_sigstack(void *sig_stack, int size);
+extern void remove_sigstack(void);
+extern void set_handler(int sig, void (*handler)(int), int flags, ...);
+extern int change_sig(int signal, int on);
+extern void block_signals(void);
+extern void unblock_signals(void);
+extern int get_signals(void);
+extern int set_signals(int enable);
+
+/* trap.c */
+extern void os_fill_handlinfo(struct kern_handlers h);
+extern void do_longjmp(void *p, int val);
+
 #endif