-#define WNOHANG 0x00000001
-#define WUNTRACED 0x00000002
-#define WSTOPPED WUNTRACED
-#define WEXITED 0x00000004
-#define WCONTINUED 0x00000008
-#define WNOWAIT 0x01000000 /* Don't reap, just poll status. */
-
-#define __WNOTHREAD 0x20000000 /* Don't wait on children of other threads in this group */
-#define __WALL 0x40000000 /* Wait on all children, regardless of type */
-#define __WCLONE 0x80000000 /* Wait only on non-SIGCHLD children */
-
-/* First argument to waitid: */
-#define P_ALL 0
-#define P_PID 1
-#define P_PGID 2
-
-#ifdef __KERNEL__