diff --git a/arch/arm/bits/fcntl.h b/arch/arm/bits/fcntl.h
index 9db4258c..da36c2f8 100644
--- a/arch/arm/bits/fcntl.h
+++ b/arch/arm/bits/fcntl.h
@@ -25,6 +25,8 @@
 
 #define F_SETOWN 8
 #define F_GETOWN 9
+#define F_SETSIG 10
+#define F_GETSIG 11
 
 #define F_GETLK 12
 #define F_SETLK 13
diff --git a/arch/i386/bits/fcntl.h b/arch/i386/bits/fcntl.h
index 33a5185c..ab146525 100644
--- a/arch/i386/bits/fcntl.h
+++ b/arch/i386/bits/fcntl.h
@@ -25,6 +25,8 @@
 
 #define F_SETOWN 8
 #define F_GETOWN 9
+#define F_SETSIG 10
+#define F_GETSIG 11
 
 #define F_GETLK 12
 #define F_SETLK 13
diff --git a/arch/x86_64/bits/fcntl.h b/arch/x86_64/bits/fcntl.h
index f3e99502..40062b5d 100644
--- a/arch/x86_64/bits/fcntl.h
+++ b/arch/x86_64/bits/fcntl.h
@@ -25,6 +25,8 @@
 
 #define F_SETOWN 8
 #define F_GETOWN 9
+#define F_SETSIG 10
+#define F_GETSIG 11
 
 #define F_GETLK 5
 #define F_SETLK 6