| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| package sync |
| |
| import ( |
| "context" |
| ) |
| |
| type ctxKey string |
| |
| const CtxSyncEnabled ctxKey = "sync" |
| |
| func NewContext(ctx context.Context, enabled bool) context.Context { |
| if ctx == nil { |
| ctx = context.Background() |
| } |
| return context.WithValue(ctx, CtxSyncEnabled, enabled) |
| } |
| |
| func FromContext(ctx context.Context) bool { |
| if ctx == nil { |
| return false |
| } |
| val := ctx.Value(CtxSyncEnabled) |
| enabled, ok := val.(bool) |
| if !ok { |
| enabled = false |
| } |
| return enabled |
| } |
