// Removes a file from its parent directory.
func (f *File) Remove() {
f.Lock()
if (f.flags & Fremoved) != 0 {
f.Unlock()
return
}
f.flags |= Fremoved
f.Unlock()
p := f.Parent
p.Lock()
if f.next != nil {
f.next.prev = f.prev
} else {
p.clast = f.prev
}
if f.prev != nil {
f.prev.next = f.next
} else {
p.cfirst = f.next
}
f.next = nil
f.prev = nil
p.Unlock()
}
func (f *File) Rename(name string) error {
p := f.Parent
p.Lock()
defer p.Unlock()
for c := p.cfirst; c != nil; c = c.next {
if name == c.Name {
return Eexist
}
}
f.Name = name
return nil
}