| // Copyright 2013 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. |
| |
| // +build nacl plan9 solaris |
| |
| package main |
| |
| import ( |
| "log" |
| "sync" |
| ) |
| |
| // FileMutex is similar to sync.RWMutex, but also synchronizes across processes. |
| // This implementation is a fallback that does not actually provide inter-process synchronization. |
| type FileMutex struct { |
| sync.RWMutex |
| } |
| |
| func MakeFileMutex(filename string) *FileMutex { |
| return &FileMutex{} |
| } |
| |
| func init() { |
| log.Printf("WARNING: using fake file mutex." + |
| " Don't run more than one of these at once!!!") |
| } |
