waitid
SYSCALL_DEFINE5(waitid, int, which, pid_t, upid, struct siginfo __user *,
COMPAT_SYSCALL_DEFINE5(waitid,
ret = waitid(idtype, id, &info, options);
ret = waitid(P_PID, pid, &info, options | __WALL | __WNOTHREAD);
if (waitid(P_PID, chld, &si, WEXITED|WSTOPPED) != 0)
if (waitid(P_PID, chld, &si, WEXITED|WSTOPPED) != 0)