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- // 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) (err error) {
- delay := 10 * time.Millisecond
- for {
- err = fuse.Unmount(dir)
- if err == nil {
- return
- }
- 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
- }
- err = fmt.Errorf("Unmount: %v", err)
- return
- }
- }
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