1#ifndef _LINUX_WAIT_H 2#define _LINUX_WAIT_H 3 4#define WNOHANG 0x00000001 5#define WUNTRACED 0x00000002 6#define WSTOPPED WUNTRACED 7#define WEXITED 0x00000004 8#define WCONTINUED 0x00000008 9#define WNOWAIT 0x01000000 /* Don't reap, just poll status. */ 10 11#define __WNOTHREAD 0x20000000 /* Don't wait on children of other threads in this group */ 12#define __WALL 0x40000000 /* Wait on all children, regardless of type */ 13#define __WCLONE 0x80000000 /* Wait only on non-SIGCHLD children */ 14 15/* First argument to waitid: */ 16#define P_ALL 0 17#define P_PID 1 18#define P_PGID 2 19 20 21#endif 22