-#define __NR_async_exec 320
-#define __NR_async_wait 321
-#define __NR_umem_add 322
-#define __NR_async_thread 323
+#define __NR_async_exec 325
+#define __NR_async_wait 326
+#define __NR_umem_add 327
+#define __NR_async_thread 328
-#define nop __asm__ __volatile__("rep;nop": : :"memory")
+#define nop __asm__ __volatile__("rep;nop": : :"memory")
+#define read_barrier() __asm__ __volatile__("": : :"memory")
+#define write_barrier() __asm__ __volatile__("": : :"memory")