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ipv4, ipv6: drop support for macOS 10.7 and earlier

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Drop the check for macOS 10.7 and earlier. Go 1.11 requires at least
macOS 10.10 and macOS 10.7 is no longer supported by Apple anyhow.

Change-Id: Ie7d9d27e0b9156ea478bf560734f4a85dfa163d6
Reviewed-on: https://go-review.googlesource.com/c/156597
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Tobias Klauser
2019-01-07 19:47:02 +01:00
committed by Tobias Klauser
parent 1a61f4433d
commit 45ffb0cd1b
2 changed files with 0 additions and 38 deletions
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19
ipv4/sys_darwin.go
View File

@@ -6,8 +6,6 @@ package ipv4
import (
"net"
"strconv"
"strings"
"syscall"
"unsafe"
@@ -39,23 +37,6 @@ var (
)
func init() {
// Seems like kern.osreldate is veiled on latest OS X. We use
// kern.osrelease instead.
s, err := syscall.Sysctl("kern.osrelease")
if err != nil {
return
}
ss := strings.Split(s, ".")
if len(ss) == 0 {
return
}
// The IP_PKTINFO and protocol-independent multicast API were
// introduced in OS X 10.7 (Darwin 11). But it looks like
// those features require OS X 10.8 (Darwin 12) or above.
// See http://support.apple.com/kb/HT1633.
if mjver, err := strconv.Atoi(ss[0]); err != nil || mjver < 12 {
return
}
ctlOpts[ctlPacketInfo].name = sysIP_PKTINFO
ctlOpts[ctlPacketInfo].length = sizeofInetPktinfo
ctlOpts[ctlPacketInfo].marshal = marshalPacketInfo

19
ipv6/sys_darwin.go
View File

@@ -6,8 +6,6 @@ package ipv6
import (
"net"
"strconv"
"strings"
"syscall"
"unsafe"
@@ -36,23 +34,6 @@ var (
)
func init() {
// Seems like kern.osreldate is veiled on latest OS X. We use
// kern.osrelease instead.
s, err := syscall.Sysctl("kern.osrelease")
if err != nil {
return
}
ss := strings.Split(s, ".")
if len(ss) == 0 {
return
}
// The IP_PKTINFO and protocol-independent multicast API were
// introduced in OS X 10.7 (Darwin 11). But it looks like
// those features require OS X 10.8 (Darwin 12) or above.
// See http://support.apple.com/kb/HT1633.
if mjver, err := strconv.Atoi(ss[0]); err != nil || mjver < 12 {
return
}
ctlOpts[ctlTrafficClass] = ctlOpt{sysIPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass}
ctlOpts[ctlHopLimit] = ctlOpt{sysIPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit}
ctlOpts[ctlPacketInfo] = ctlOpt{sysIPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo}