1 // Copyright 2016 The Prometheus Authors
2 // Licensed under the Apache License, Version 2.0 (the "License");
3 // you may not use this file except in compliance with the License.
4 // You may obtain a copy of the License at
6 // http://www.apache.org/licenses/LICENSE-2.0
8 // Unless required by applicable law or agreed to in writing, software
9 // distributed under the License is distributed on an "AS IS" BASIS,
10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 // See the License for the specific language governing permissions and
12 // limitations under the License.
18 type windowsLock struct {
22 func (fl *windowsLock) Release() error {
23 return syscall.Close(fl.fd)
26 func newLock(fileName string) (Releaser, error) {
27 pathp, err := syscall.UTF16PtrFromString(fileName)
31 fd, err := syscall.CreateFile(pathp, syscall.GENERIC_READ|syscall.GENERIC_WRITE, 0, nil, syscall.CREATE_ALWAYS, syscall.FILE_ATTRIBUTE_NORMAL, 0)
35 return &windowsLock{fd}, nil