// Copyright 2015 Google Inc. 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. // 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 samples import ( "fmt" "log" "strings" "time" "github.com/jacobsa/fuse" ) // Unmount the file system mounted at the supplied directory. Try again on // "resource busy" errors, which happen from time to time on OS X (due to weird // requests from the Finder) and when tests don't or can't synchronize all // events. func unmount(dir string) error { delay := 10 * time.Millisecond for { err := fuse.Unmount(dir) if err == nil { return err } if strings.Contains(err.Error(), "resource busy") { log.Println("Resource busy error while unmounting; trying again") time.Sleep(delay) delay = time.Duration(1.3 * float64(delay)) continue } return fmt.Errorf("Unmount: %v", err) } }