/*
 * Copyright 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
 *
 * 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
 *
 */

package ctxutil

import (
	"context"
)

var cancelkey = ""

func CancelContext(ctx context.Context) context.Context {
	ctx, cancel := context.WithCancel(ctx)
	return context.WithValue(ctx, &cancelkey, cancel)
}

func Cancel(ctx context.Context) {
	ctx.Value(&cancelkey).(context.CancelFunc)()
}