1 // Copyright 2019 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
7 // Round the length of a raw sockaddr up to align it properly.
8 func cmsgAlignOf(salen int) int {
10 if SizeofPtr == 8 && !supportsABI(_dragonflyABIChangeVersion) {
11 // 64-bit Dragonfly before the September 2019 ABI changes still requires
12 // 32-bit aligned access to network subsystem.
15 return (salen + salign - 1) & ^(salign - 1)