cmsghdr_unix.go raw

   1  // Copyright 2020 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.
   4  
   5  //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
   6  
   7  package socket
   8  
   9  import "golang.org/x/sys/unix"
  10  
  11  func controlHeaderLen() int {
  12  	return unix.CmsgLen(0)
  13  }
  14  
  15  func controlMessageLen(dataLen int) int {
  16  	return unix.CmsgLen(dataLen)
  17  }
  18  
  19  func controlMessageSpace(dataLen int) int {
  20  	return unix.CmsgSpace(dataLen)
  21  }
  22