// Copyright 2012 The LevelDB-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.// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windowspackagefilelockimport("fmt""io""runtime")funcLock(namestring)(io.Closer,error){returnnil,fmt.Errorf("leveldb/db: file locking is not implemented on %s/%s",runtime.GOOS,runtime.GOARCH)}