wal_windows.go
// Copyright 2016 The etcd 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 wal
import (
"os"
"github.com/coreos/etcd/wal/walpb"
)
func (w *WAL) renameWal(tmpdirpath string) (*WAL, error) {
// rename of directory with locked files doesn't work on
// windows; close the WAL to release the locks so the directory
// can be renamed
w.Close()
if err := os.Rename(tmpdirpath, w.dir); err != nil {
return nil, err
}
// reopen and relock
newWAL, oerr := Open(w.dir, walpb.Snapshot{})
if oerr != nil {
return nil, oerr
}
if _, _, _, err := newWAL.ReadAll(); err != nil {
newWAL.Close()
return nil, err
}
return newWAL, nil
}