| // Copyright 2018 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| //go:build !(aix || darwin || dragonfly || freebsd || illumos || linux || netbsd || openbsd || solaris) && !plan9 && !windows |
| // +build !aix,!darwin,!dragonfly,!freebsd,!illumos,!linux,!netbsd,!openbsd,!solaris,!plan9,!windows |
| |
| package filelock |
| |
| import "io/fs" |
| |
| type lockType int8 |
| |
| const ( |
| readLock = iota + 1 |
| writeLock |
| ) |
| |
| func lock(f File, lt lockType) error { |
| return &fs.PathError{ |
| Op: lt.String(), |
| Path: f.Name(), |
| Err: ErrNotSupported, |
| } |
| } |
| |
| func unlock(f File) error { |
| return &fs.PathError{ |
| Op: "Unlock", |
| Path: f.Name(), |
| Err: ErrNotSupported, |
| } |
| } |
| |
| func isNotSupported(err error) bool { |
| return err == ErrNotSupported |
| } |
