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// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
// All rights reserved.
//
// Use of this source code is governed by a BSD-style license.
//
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package main
import (
"os"
"syscall"
)
func rename(oldpath, newpath string) error {
return os.Rename(oldpath, newpath)
}
func isErrInvalid(err error) bool {
if err == os.ErrInvalid {
return true
}
// Go < 1.8
if syserr, ok := err.(*os.SyscallError); ok && syserr.Err == syscall.EINVAL {
return true
}
// Go >= 1.8 returns *os.PathError instead
if patherr, ok := err.(*os.PathError); ok && patherr.Err == syscall.EINVAL {
return true
}
return false
}
func syncDir(name string) error {
// As per fsync manpage, Linux seems to expect fsync on directory, however
// some system don't support this, so we will ignore syscall.EINVAL.
//
// From fsync(2):
// Calling fsync() does not necessarily ensure that the entry in the
// directory containing the file has also reached disk. For that an
// explicit fsync() on a file descriptor for the directory is also needed.
f, err := os.Open(name)
if err != nil {
return err
}
defer f.Close()
if err := f.Sync(); err != nil && !isErrInvalid(err) {
return err
}
return nil
}
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