switch flag {
	case syscall.O_RDONLY:
		lockType |= syscall.LOCK_SH
	case syscall.O_WRONLY:
		fallthrough
	case syscall.O_RDWR:
		fallthrough
	case syscall.O_WRONLY | syscall.O_CREAT:
		fallthrough
	case syscall.O_RDWR | syscall.O_CREAT:
		lockType |= syscall.LOCK_EX
	default:
		return nil, &os.PathError{
			Op:   "open",
			Path: path,
			Err:  syscall.EINVAL,
		}
	}

    }

    /**
     * Test if the PIPE_TYPE_RDWR constant has the correct value.
     */
    @Test
    void testPipeTypeRdwr() {
        assertEquals(SmbConstants.O_RDWR, SmbPipeResource.PIPE_TYPE_RDWR, "PIPE_TYPE_RDWR should match SmbConstants.O_RDWR");
    }

    /**
     * Test if the PIPE_TYPE_CALL constant has the correct value.
     */
    @Test
    void testPipeTypeCall() {

	var lockType int16
	switch flag {
	case syscall.O_RDONLY:
		lockType = syscall.F_RDLCK
	case syscall.O_WRONLY:
		fallthrough
	case syscall.O_RDWR:
		fallthrough
	case syscall.O_WRONLY | syscall.O_CREAT:
		fallthrough
	case syscall.O_RDWR | syscall.O_CREAT:
		lockType = syscall.F_WRLCK
	default:
		return nil, &os.PathError{
			Op:   "open",
			Path: path,
			Err:  syscall.EINVAL,
		}
	}

     */

    int PIPE_TYPE_WRONLY = SmbConstants.O_WRONLY;

    /**
     * The pipe should be opened for both reading and writing.
     */

    int PIPE_TYPE_RDWR = SmbConstants.O_RDWR;

    /**
     * Pipe operations should behave like the <code>CallNamedPipe</code> Win32 Named Pipe function.
     */

    int PIPE_TYPE_CALL = 0x0100;

    /**

	}

	var access uint32
	switch flag {
	case syscall.O_RDONLY:
		access = syscall.GENERIC_READ
	case syscall.O_WRONLY:
		access = syscall.GENERIC_WRITE
	case syscall.O_RDWR:
		fallthrough
	case syscall.O_RDWR | syscall.O_CREAT:
		fallthrough
	case syscall.O_WRONLY | syscall.O_CREAT:
		access = syscall.GENERIC_READ | syscall.GENERIC_WRITE
	case syscall.O_WRONLY | syscall.O_CREAT | syscall.O_APPEND:

            doNothing().when(mockFileHandle).close(0L);

            // Act
            smbFile.createNewFile();

            // Assert
            verify(smbFile).openUnshared(SmbFile.O_RDWR | SmbFile.O_CREAT | SmbFile.O_EXCL, SmbFile.O_RDWR, SmbFile.FILE_NO_SHARE,
                    SmbFile.ATTR_NORMAL, 0);
        }
    }

        this.file = file;
        if (mode.equals("r")) {
            this.openFlags = SmbFile.O_CREAT | SmbFile.O_RDONLY;
        } else if (mode.equals("rw")) {
            this.openFlags = SmbFile.O_CREAT | SmbFile.O_RDWR | SmbFile.O_APPEND;
            write_andx_resp = new SmbComWriteAndXResponse();
            options = WRITE_OPTIONS;
            access = SmbConstants.FILE_READ_DATA | SmbConstants.FILE_WRITE_DATA;
        } else {

	// See https://github.com/golang/go/issues/23795 or
	// https://issuetracker.google.com/issues/73230216.
	lockPath := filepath.Join(os.TempDir(), "go_android_exec-adb-lock")
	lock, err := os.OpenFile(lockPath, os.O_CREATE|os.O_RDWR, 0666)
	if err != nil {
		return 0, err
	}
	defer lock.Close()
	if err := syscall.Flock(int(lock.Fd()), syscall.LOCK_EX); err != nil {
		return 0, err
	}

    void testOpenFlagsConstants() {
        assertEquals(0x01, SmbConstants.O_RDONLY);
        assertEquals(0x02, SmbConstants.O_WRONLY);
        assertEquals(0x03, SmbConstants.O_RDWR);
        assertEquals(0x04, SmbConstants.O_APPEND);
        assertEquals(0x0010, SmbConstants.O_CREAT);
        assertEquals(0x0020, SmbConstants.O_EXCL);
        assertEquals(0x0040, SmbConstants.O_TRUNC);
    }

     */

    public static final int PIPE_TYPE_WRONLY = O_WRONLY;

    /**
     * The pipe should be opened for both reading and writing.
     */

    public static final int PIPE_TYPE_RDWR = O_RDWR;

    /**
     * Pipe operations should behave like the <code>CallNamedPipe</code> Win32 Named Pipe function.
     */

    public static final int PIPE_TYPE_CALL = 0x0100;

    /**