package dirlock
type DirLock struct {
dir string
}func New(dir string) *DirLock {
return &DirLock{
dir: dir,
}
}func (l *DirLock) Lock() error {
return nil
}func (l *DirLock) Unlock() error {
return nil
}原文：http://www.cnblogs.com/zhangboyu/p/7457393.html