mirror of
https://github.com/go-gitea/gitea
synced 2024-08-18 16:24:53 +02:00
82 lines
1.4 KiB
Go
Vendored
82 lines
1.4 KiB
Go
Vendored
// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
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// All rights reserved.
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//
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// +build solaris
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package storage
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import (
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"os"
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"syscall"
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)
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type unixFileLock struct {
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f *os.File
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}
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func (fl *unixFileLock) release() error {
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if err := setFileLock(fl.f, false, false); err != nil {
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return err
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}
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return fl.f.Close()
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}
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func newFileLock(path string, readOnly bool) (fl fileLock, err error) {
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var flag int
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if readOnly {
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flag = os.O_RDONLY
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} else {
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flag = os.O_RDWR
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}
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f, err := os.OpenFile(path, flag, 0)
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if os.IsNotExist(err) {
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f, err = os.OpenFile(path, flag|os.O_CREATE, 0644)
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}
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if err != nil {
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return
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}
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err = setFileLock(f, readOnly, true)
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if err != nil {
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f.Close()
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return
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}
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fl = &unixFileLock{f: f}
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return
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}
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func setFileLock(f *os.File, readOnly, lock bool) error {
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flock := syscall.Flock_t{
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Type: syscall.F_UNLCK,
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Start: 0,
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Len: 0,
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Whence: 1,
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}
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if lock {
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if readOnly {
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flock.Type = syscall.F_RDLCK
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} else {
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flock.Type = syscall.F_WRLCK
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}
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}
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return syscall.FcntlFlock(f.Fd(), syscall.F_SETLK, &flock)
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}
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func rename(oldpath, newpath string) error {
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return os.Rename(oldpath, newpath)
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}
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func syncDir(name string) error {
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f, err := os.Open(name)
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if err != nil {
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return err
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}
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defer f.Close()
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if err := f.Sync(); err != nil {
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return err
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}
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return nil
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}
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