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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [net/] [sockoptip_bsd.go] - Rev 775

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// 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 darwin freebsd netbsd openbsd

// IP-level socket options for BSD variants

package net

import (
        "os"
        "syscall"
)

func ipv4MulticastTTL(fd *netFD) (int, error) {
        fd.incref()
        defer fd.decref()
        v, err := syscall.GetsockoptByte(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_TTL)
        if err != nil {
                return -1, os.NewSyscallError("getsockopt", err)
        }
        return int(v), nil
}

func setIPv4MulticastTTL(fd *netFD, v int) error {
        fd.incref()
        defer fd.decref()
        err := syscall.SetsockoptByte(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_TTL, byte(v))
        if err != nil {
                return os.NewSyscallError("setsockopt", err)
        }
        return nil
}

func ipv6TrafficClass(fd *netFD) (int, error) {
        fd.incref()
        defer fd.decref()
        v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IPV6, syscall.IPV6_TCLASS)
        if err != nil {
                return -1, os.NewSyscallError("getsockopt", err)
        }
        return v, nil
}

func setIPv6TrafficClass(fd *netFD, v int) error {
        fd.incref()
        defer fd.decref()
        err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IPV6, syscall.IPV6_TCLASS, v)
        if err != nil {
                return os.NewSyscallError("setsockopt", err)
        }
        return nil
}

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