diff --git a/libc/kernel/common/asm-generic/signal.h b/libc/kernel/common/asm-generic/signal.h
new file mode 100644
index 0000000..226d99c
--- /dev/null
+++ b/libc/kernel/common/asm-generic/signal.h
@@ -0,0 +1,39 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __ASM_GENERIC_SIGNAL_H
+#define __ASM_GENERIC_SIGNAL_H
+
+#include <linux/compiler.h>
+
+#ifndef SIG_BLOCK
+#define SIG_BLOCK 0  
+#endif
+#ifndef SIG_UNBLOCK
+#define SIG_UNBLOCK 1  
+#endif
+#ifndef SIG_SETMASK
+#define SIG_SETMASK 2  
+#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)  
+#define SIG_IGN ((__force __sighandler_t)1)  
+#define SIG_ERR ((__force __sighandler_t)-1)  
+#endif
+
+#endif