/*
/*
 * Copyright (c) 2024 Augur AI, Inc.
 * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. 
 * If a copy of the MPL was not distributed with this file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 
 * Copyright (c) 2024 Augur AI, Inc.
 *
 * This file is licensed under the Augur AI Proprietary License.
 *
 * Attribution:
 * This work is based on code from https://github.com/hofstadter-io/hof, licensed under the Apache License 2.0.
 */

// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build plan9

package filelock

import "io/fs"

type lockType int8

const (
	readLock = iota + 1
	writeLock
)

func lock(f File, lt lockType) error {
	return &fs.PathError{
		Op:   lt.String(),
		Path: f.Name(),
		Err:  ErrNotSupported,
	}
}

func unlock(f File) error {
	return &fs.PathError{
		Op:   "Unlock",
		Path: f.Name(),
		Err:  ErrNotSupported,
	}
}

func isNotSupported(err error) bool {
	return err == ErrNotSupported
}
