__NR_waitid
__SC_COMP(__NR_waitid, sys_waitid, compat_sys_waitid)
return my_syscall5(__NR_waitid, which, pid, infop, options, rusage);
__SC_COMP(__NR_waitid, sys_waitid, compat_sys_waitid)
return syscall(__NR_waitid, which, pid, info, options, NULL);