go.etcd.io/etcd@v3.3.27+incompatible/pkg/fileutil/lock.go (about)

     1  // Copyright 2016 The etcd Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package fileutil
    16  
    17  import (
    18  	"errors"
    19  	"os"
    20  )
    21  
    22  var (
    23  	ErrLocked = errors.New("fileutil: file already locked")
    24  )
    25  
    26  type LockedFile struct{ *os.File }