| // Copyright 2020 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos |
| // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos |
| |
| package socket |
| |
| import "golang.org/x/sys/unix" |
| |
| func controlHeaderLen() int { |
| return unix.CmsgLen(0) |
| } |
| |
| func controlMessageLen(dataLen int) int { |
| return unix.CmsgLen(dataLen) |
| } |
| |
| func controlMessageSpace(dataLen int) int { |
| return unix.CmsgSpace(dataLen) |
| } |
