// Copyright 2022 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//go:build js

package fileutil

import "errors"

type unixLock struct{}

func (l *unixLock) Release() error {
	return errors.New("unsupported")
}

func (l *unixLock) set(lock bool) error {
	return errors.New("unsupported")
}

func newLock(fileName string) (Releaser, error) {
	return nil, errors.New("unsupported")
}
