27d6b51071
Patch by Svante Signell.
Reviewed-on: https://go-review.googlesource.com/c/160822
From-SVN: r268459
31 lines
853 B
Go
31 lines
853 B
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build aix darwin dragonfly freebsd hurd netbsd openbsd solaris
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package net
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import (
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"runtime"
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"syscall"
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)
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func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error {
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ip, err := interfaceToIPv4Addr(ifi)
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if err != nil {
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return wrapSyscallError("setsockopt", err)
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}
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var a [4]byte
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copy(a[:], ip.To4())
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err = fd.pfd.SetsockoptInet4Addr(syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF, a)
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runtime.KeepAlive(fd)
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return wrapSyscallError("setsockopt", err)
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}
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func setIPv4MulticastLoopback(fd *netFD, v bool) error {
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err := fd.pfd.SetsockoptByte(syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP, byte(boolint(v)))
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runtime.KeepAlive(fd)
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return wrapSyscallError("setsockopt", err)
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}
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