+#define F_SEAL_FUTURE_WRITE 0x0010
+
+#define F_GET_RW_HINT 1035
+#define F_SET_RW_HINT 1036
+#define F_GET_FILE_RW_HINT 1037
+#define F_SET_FILE_RW_HINT 1038
+
+#define RWF_WRITE_LIFE_NOT_SET 0
+#define RWH_WRITE_LIFE_NONE 1
+#define RWH_WRITE_LIFE_SHORT 2
+#define RWH_WRITE_LIFE_MEDIUM 3
+#define RWH_WRITE_LIFE_LONG 4
+#define RWH_WRITE_LIFE_EXTREME 5