etcd/pkg/fileutil/lock_windows.go
Anthony Romano 7397e14c0a fileutil, wal: refactor file locking
File lock interface was more verbose than it needed to be while
simultaneously making it difficult to support systems (e.g., Windows)
that only permit locked writes on a single fd holding the lock.
2016-03-16 15:02:15 -07:00

33 lines
979 B
Go

// Copyright 2015 CoreOS, Inc.
//
// 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.
// +build windows
package fileutil
import "os"
func TryLockFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
return LockFile(path, flag, perm)
}
func LockFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
// TODO make this actually work
f, err := os.OpenFile(path, flag, perm)
if err != nil {
return nil, err
}
return &LockedFile{f}, nil
}