if err != nil {
		log.Fatalf("failed to read from input pipe: %v", err)
	}

	// If the only line is the sentinel, it wasn't a crash.
	if bytes.Count(data, []byte("\n")) < 2 {
		childExitHook()
		os.Exit(0) // parent exited without crash report
	}

	log.Printf("parent reported crash:\n%s", data)

	// Parse the stack out of the crash report
	// and record a telemetry count for it.
	name, err := telemetryCounterName(data)

	RawSyscall(SYS_ERRSTR, uintptr(unsafe.Pointer(&buf[0])), uintptr(len(buf)), 0)

	buf[len(buf)-1] = 0
	return cstring(buf[:])
}

// Implemented in assembly to import from runtime.
func exit(code int)

func Exit(code int) { exit(code) }

func readnum(path string) (uint, error) {
	var b [12]byte

	fd, e := Open(path, O_RDONLY)
	if e != nil {
		return 0, e
	}
	defer Close(fd)

	n, e := Pread(fd, b[:], 0)

  } else if (auto sink = llvm::dyn_cast<tf_executor::NextIterationSinkOp>(op)) {
    return ops_have_same_device(sink.GetSource(), sink);
  }

  return llvm::isa<tf_executor::EnterOp, tf_executor::ExitOp,
                   tf_executor::IslandOp, tf_executor::MergeOp,
                   tf_executor::SwitchOp>(op);
}

// Assigns all data results to a specified device.
void PopulateDeviceForOpResults(

func (w WaitStatus) StopSignal() Signal {
	if !w.Stopped() {
		return -1
	}
	return Signal(w>>8) & 0xFF
}

func (w WaitStatus) Exited() bool { return w&0xFF == 0 }
func (w WaitStatus) ExitStatus() int {
	if !w.Exited() {
		return -1
	}
	return int((w >> 8) & 0xFF)
}

func (w WaitStatus) Signaled() bool { return w&0x40 == 0 && w&0xFF != 0 }
func (w WaitStatus) Signal() Signal {

//
//   2. The parent process clone()s a sub-process and runs the death
//   test in it; the sub-process exits with code 0 at the end of the
//   death test, if it hasn't exited already.
//
//   3. The parent process waits for the sub-process to terminate.
//
//   4. The parent process checks the exit code and error message of
//   the sub-process.
//
// Examples:
//

	// os.FindProcess never returns an error on POSIX
	// https://go-review.googlesource.com/c/go/+/19093
	p, _ := os.FindProcess(pid)
	if err := p.Kill(); err != nil {
		// If the process already exited, that's fine.
		if errors.Is(err, os.ErrProcessDone) {
			klog.V(3).InfoS("Process no longer exists", "pid", pid)
			return nil
		}
		return err
	}
	return nil
}

//
//   2. The parent process clone()s a sub-process and runs the death
//   test in it; the sub-process exits with code 0 at the end of the
//   death test, if it hasn't exited already.
//
//   3. The parent process waits for the sub-process to terminate.
//
//   4. The parent process checks the exit code and error message of
//   the sub-process.
//
// Examples:
//

// from stopped via the core dump bit.

const (
	mask    = 0x7F
	core    = 0x80
	exited  = 0x00
	stopped = 0x7F
	shift   = 8
)

func (w WaitStatus) Exited() bool { return w&mask == exited }

func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != exited }

func (w WaitStatus) Stopped() bool { return w&0xFF == stopped }

		}
	}

	// If non of them is set, treat it as root.
	return new(int64), "", nil
}

// isInitContainerFailed returns true under the following conditions:
// 1. container has exited and exitcode is not zero.
// 2. container is in unknown state.
// 3. container gets OOMKilled.
func isInitContainerFailed(status *kubecontainer.Status) bool {

}

func (d *dwctxt) lookupOrDiag(n string) loader.Sym {
	symIdx := d.ldr.Lookup(n, 0)
	if symIdx == 0 {
		Exitf("dwarf: missing type: %s", n)
	}
	if len(d.ldr.Data(symIdx)) == 0 {
		Exitf("dwarf: missing type (no data): %s", n)
	}

	return symIdx
}

func (d *dwctxt) dotypedef(parent *dwarf.DWDie, name string, def *dwarf.DWDie) *dwarf.DWDie {