diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h
new file mode 100644
index 0000000..9418d6e
--- /dev/null
+++ b/include/asm-generic/signal.h
@@ -0,0 +1,21 @@
+#ifndef SIG_BLOCK
+#define SIG_BLOCK          0	/* for blocking signals */
+#endif
+#ifndef SIG_UNBLOCK
+#define SIG_UNBLOCK        1	/* for unblocking signals */
+#endif
+#ifndef SIG_SETMASK
+#define SIG_SETMASK        2	/* for setting the signal mask */
+#endif
+
+#ifndef __ASSEMBLY__
+typedef void __signalfn_t(int);
+typedef __signalfn_t __user *__sighandler_t;
+
+typedef void __restorefn_t(void);
+typedef __restorefn_t __user *__sigrestore_t;
+
+#define SIG_DFL	((__force __sighandler_t)0)	/* default signal handling */
+#define SIG_IGN	((__force __sighandler_t)1)	/* ignore signal */
+#define SIG_ERR	((__force __sighandler_t)-1)	/* error return from signal */
+#endif