// resulting error should be an exec.ExitError without additional wrapping.
		if _, ok := err.(*exec.ExitError); !ok {
			t.Errorf("Wait error = %v; want *exec.ExitError", err)
		}
	})

	// If Cancel returns ErrProcessDone but the process is not actually done
	// (and has to be killed), Wait should report the usual SIGKILL ExitError,
	// not the error from Cancel.

		// set it to nil to prevent awaitGoroutines from blocking on it.
		c.goroutineErr = nil
	}

	resultc <- ctxResult{err: err}
}

// An ExitError reports an unsuccessful exit by a command.
type ExitError struct {
	*os.ProcessState

	// Stderr holds a subset of the standard error output from the
	// Cmd.Output method if standard error was not otherwise being
	// collected.
	//

			}
			if err := cmd.Run(); err == nil {
				if !sig && dest < 3 {
					t.Errorf("unexpected success of write to closed pipe %d sig %t in child", dest, sig)
				}
			} else if ee, ok := err.(*exec.ExitError); !ok {
				t.Errorf("unexpected exec error type %T: %v", err, err)
			} else if ws, ok := ee.Sys().(syscall.WaitStatus); !ok {
				t.Errorf("unexpected wait status type %T: %v", ee.Sys(), ee.Sys())

	_, err = csiMapper.SetUpDevice()
	if err == nil {
		t.Errorf("test should fail, but no error occurred")
	} else if reflect.TypeOf(transientError) != reflect.TypeOf(err) {
		t.Fatalf("expected exitError type: %v got: %v (%v)", reflect.TypeOf(transientError), reflect.TypeOf(err), err)
	}
}

func TestBlockMapperMapPodDevice(t *testing.T) {
	plug, tmpDir := newTestPlugin(t, nil)
	defer os.RemoveAll(tmpDir)

func expectSignal(t *testing.T, err error, sig1, sig2 syscall.Signal) bool {
	t.Helper()
	if err == nil {
		t.Error("test program succeeded unexpectedly")
	} else if ee, ok := err.(*exec.ExitError); !ok {
		t.Errorf("error (%v) has type %T; expected exec.ExitError", err, err)
	} else if ws, ok := ee.Sys().(syscall.WaitStatus); !ok {
		t.Errorf("error.Sys (%v) has type %T; expected syscall.WaitStatus", ee.Sys(), ee.Sys())

				counter++
			}
		}
	}

	return counter, nil
}

func ignoreExitCodes(err error, ignoredExitCodes ...int) error {
	exitError, ok := err.(utilexec.ExitError)
	if !ok {
		return err
	}
	for _, code := range ignoredExitCodes {
		if exitError.ExitStatus() == code {
			klog.V(4).Infof("ignored iscsiadm exit code %d", code)
			return nil
		}
	}
	return err
}

	fullArgs := makeFullArgs(table, chain)

	runner.mu.Lock()
	defer runner.mu.Unlock()

	out, err := runner.run(opCreateChain, fullArgs)
	if err != nil {
		if ee, ok := err.(utilexec.ExitError); ok {
			if ee.Exited() && ee.ExitStatus() == 1 {
				return true, nil
			}
		}
		return false, fmt.Errorf("error creating chain %q: %v: %s", chain, err, out)
	}
	return false, nil
}

						// cmd.exe disagrees. Probably the test case is wrong?
						t.Fatalf("%v\n\tresolved to %s\n\twant %s", cmd, gotAbs, wantAbs)
					}
				} else if tt.wantErr == nil {
					if ee, ok := err.(*exec.ExitError); ok && len(ee.Stderr) > 0 {
						t.Fatalf("%v: %v\n%s", cmd, err, ee.Stderr)
					}
					t.Fatalf("%v: %v", cmd, err)
				}
			}

			got, err := exec.LookPath(tt.searchFor)
			if filepath.IsAbs(got) {

		cmd.Env = append(cmd.Environ(), "GO_WANT_HELPER_PROCESS=1")
		out, err := cmd.CombinedOutput()
		t.Logf("%v:\n%s", cmd, out)
		if _, ok := err.(*exec.ExitError); !ok {
			t.Fatal(err)
		}

		// Because the outer subtests (and TestRunningTests itself) are marked as
		// parallel, their test functions return (and are no longer “running”)

		err = runOnDevice(appdir)
	} else {
		err = runOnSimulator(appdir)
	}
	if err != nil {
		// If the lldb driver completed with an exit code, use that.
		if err, ok := err.(*exec.ExitError); ok {
			if ws, ok := err.Sys().(interface{ ExitStatus() int }); ok {
				return ws.ExitStatus(), nil
			}
		}
		return 1, err
	}
	return 0, nil
}

func runOnSimulator(appdir string) error {