abis/mlibc: Define additional constants used by mmap and related fcntl calls
// constants for fcntl()'s additional argument of F_GETFD and F_SETFD
#define FD_CLOEXEC 1
+// Used by mmap
+#define F_SEAL_SHRINK 0x0002
+#define F_SEAL_GROW 0x0004
+#define F_SEAL_WRITE 0x0008
+#define F_GET_SEALS 1034
+
#endif // _ABITBITS_FCNTL_H
