Thanos did someting

[bytom/vapor.git] / vendor / github.com / prometheus / prometheus / util / flock / flock_unix.go

diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock_unix.go b/vendor/github.com/prometheus/prometheus/util/flock/flock_unix.go
deleted file mode 100644 (file)
index 7d71f8f..0000000
--- a/vendor/github.com/prometheus/prometheus/util/flock/flock_unix.go
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2016 The Prometheus 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.
-
-// +build darwin dragonfly freebsd linux netbsd openbsd
-
-package flock
-
-import (
-       "os"
-       "syscall"
-)
-
-type unixLock struct {
-       f *os.File
-}
-
-func (l *unixLock) Release() error {
-       if err := l.set(false); err != nil {
-               return err
-       }
-       return l.f.Close()
-}
-
-func (l *unixLock) set(lock bool) error {
-       how := syscall.LOCK_UN
-       if lock {
-               how = syscall.LOCK_EX
-       }
-       return syscall.Flock(int(l.f.Fd()), how|syscall.LOCK_NB)
-}
-
-func newLock(fileName string) (Releaser, error) {
-       f, err := os.OpenFile(fileName, os.O_RDWR|os.O_CREATE, 0644)
-       if err != nil {
-               return nil, err
-       }
-       l := &unixLock{f}
-       err = l.set(true)
-       if err != nil {
-               f.Close()
-               return nil, err
-       }
-       return l, nil
-}