// Copyright 2016 Amazon.com, Inc. or its affiliates. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"). You may not // use this file except in compliance with the License. A copy of the // License is located at // // http://aws.amazon.com/apache2.0/ // // or in the "license" file accompanying this file. This file 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 fingerprint contains functions that helps identify an instance // sync contains funcs required to perform sync package fingerprint import ( "sync" ) var ( loaded = false lock sync.RWMutex ) func isLoaded() bool { lock.RLock() defer lock.RUnlock() return loaded } func setLoaded(value bool) { lock.Lock() defer lock.Unlock() loaded = value }