...
Run Format

Source file src/net/sockoptip_windows.go

Documentation: net

  // Copyright 2011 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.
  
  package net
  
  import (
  	"os"
  	"runtime"
  	"syscall"
  	"unsafe"
  )
  
  func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error {
  	ip, err := interfaceToIPv4Addr(ifi)
  	if err != nil {
  		return os.NewSyscallError("setsockopt", err)
  	}
  	var a [4]byte
  	copy(a[:], ip.To4())
  	err = fd.pfd.Setsockopt(syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF, (*byte)(unsafe.Pointer(&a[0])), 4)
  	runtime.KeepAlive(fd)
  	return wrapSyscallError("setsockopt", err)
  }
  
  func setIPv4MulticastLoopback(fd *netFD, v bool) error {
  	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP, boolint(v))
  	runtime.KeepAlive(fd)
  	return wrapSyscallError("setsockopt", err)
  }
  

View as plain text