Method Close

platform/windows/backend.go:190–214

Close tears down the WinDivert handle and stops the recv loop.

()

// Close tears down the WinDivert handle and stops the recv loop.
func (b *Backend) Close() error {
	b.mu.Lock()
	if !b.opened {
		b.mu.Unlock()
		return nil
	}
	b.opened = false
	select {
	case <-b.closed:
	default:
		close(b.closed)
	}
	h := b.handle
	b.handle = invalidHandle
	b.mu.Unlock()

	var firstErr error
	if h != invalidHandle {
		if err := Close(h); err != nil {
			firstErr = err
		}
	}
	b.reader.Wait()
	return firstErr
}