Method closeAllIfError

wgengine/userspace.go:1609–1615

(errp *error)

func (p *closeOnErrorPool) add(c io.Closer)   { *p = append(*p, func() { c.Close() }) }
func (p *closeOnErrorPool) addFunc(fn func()) { *p = append(*p, fn) }
func (p closeOnErrorPool) closeAllIfError(errp *error) {
	if *errp != nil {
		for _, closeFn := range p {
			closeFn()
		}
	}
}

// ipInPrefixes reports whether ip is in any of pp.
func ipInPrefixes(ip netip.Addr, pp []netip.Prefix) bool {