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path: root/vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/disk/lock.go
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Diffstat (limited to 'vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/disk/lock.go')
-rw-r--r--vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/disk/lock.go59
1 files changed, 0 insertions, 59 deletions
diff --git a/vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/disk/lock.go b/vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/disk/lock.go
deleted file mode 100644
index fe7b480..0000000
--- a/vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/disk/lock.go
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright 2015 CNI authors
-//
-// 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 disk
-
-import (
- "github.com/alexflint/go-filemutex"
- "os"
- "path"
-)
-
-// FileLock wraps os.File to be used as a lock using flock
-type FileLock struct {
- f *filemutex.FileMutex
-}
-
-// NewFileLock opens file/dir at path and returns unlocked FileLock object
-func NewFileLock(lockPath string) (*FileLock, error) {
- fi, err := os.Stat(lockPath)
- if err != nil {
- return nil, err
- }
-
- if fi.IsDir() {
- lockPath = path.Join(lockPath, "lock")
- }
-
- f, err := filemutex.New(lockPath)
- if err != nil {
- return nil, err
- }
-
- return &FileLock{f}, nil
-}
-
-func (l *FileLock) Close() error {
- return l.f.Close()
-}
-
-// Lock acquires an exclusive lock
-func (l *FileLock) Lock() error {
- return l.f.Lock()
-}
-
-// Unlock releases the lock
-func (l *FileLock) Unlock() error {
- return l.f.Unlock()
-}