golang filelock_other 代码
文件路径：/src/cmd/go/internal/lockedfile/internal/filelock/filelock_other.go
// 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 !unix && !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
}