// 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.
|
|
// +build aix darwin dragonfly freebsd netbsd openbsd solaris
|
|
package net
|
|
import (
|
"runtime"
|
"syscall"
|
)
|
|
func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error {
|
ip, err := interfaceToIPv4Addr(ifi)
|
if err != nil {
|
return wrapSyscallError("setsockopt", err)
|
}
|
var a [4]byte
|
copy(a[:], ip.To4())
|
err = fd.pfd.SetsockoptInet4Addr(syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF, a)
|
runtime.KeepAlive(fd)
|
return wrapSyscallError("setsockopt", err)
|
}
|
|
func setIPv4MulticastLoopback(fd *netFD, v bool) error {
|
err := fd.pfd.SetsockoptByte(syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP, byte(boolint(v)))
|
runtime.KeepAlive(fd)
|
return wrapSyscallError("setsockopt", err)
|
}
|
