===================================================================
@@ -0,0 +1,88 @@
+// socket_gnu.go -- Socket handling specific to GNU/Hurd.
+
+// Copyright 2010 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 syscall
+
+import "unsafe"
+
+const SizeofSockaddrInet4 = 16
+const SizeofSockaddrInet6 = 28
+const SizeofSockaddrUnix = 110
+
+type RawSockaddrInet4 struct {
+ Len uint8
+ Family uint8
+ Port uint16
+ Addr [4]byte /* in_addr */
+ Zero [8]uint8
+}
+
+func (sa *RawSockaddrInet4) setLen() Socklen_t {
+ sa.Len = SizeofSockaddrInet4
+ return SizeofSockaddrInet4
+}
+
+type RawSockaddrInet6 struct {
+ Len uint8
+ Family uint8
+ Port uint16
+ Flowinfo uint32
+ Addr [16]byte /* in6_addr */
+ Scope_id uint32
+}
+
+func (sa *RawSockaddrInet6) setLen() Socklen_t {
+ sa.Len = SizeofSockaddrInet6
+ return SizeofSockaddrInet6
+}
+
+type RawSockaddrUnix struct {
+ Len uint8
+ Family uint8
+ Path [108]int8
+}
+
+func (sa *RawSockaddrUnix) setLen(n int) {
+ sa.Len = uint8(3 + n) // 2 for Family, Len; 1 for NUL.
+}
+
+func (sa *RawSockaddrUnix) getLen() (int, error) {
+ if sa.Len < 3 || sa.Len > SizeofSockaddrUnix {
+ return 0, EINVAL
+ }
+ // Assume path ends at NUL.
+ n := 0
+ for n < len(sa.Path) && sa.Path[n] != 0 {
+ n++
+ }
+ return n, nil
+}
+
+func (sa *RawSockaddrUnix) adjustAbstract(sl Socklen_t) Socklen_t {
+ return sl
+}
+
+type RawSockaddr struct {
+ Len uint8
+ Family uint8
+ Data [14]int8
+}
+
+// BindToDevice binds the socket associated with fd to device.
+func BindToDevice(fd int, device string) (err error) {
+ return ENOSYS
+}
+
+func anyToSockaddrOS(rsa *RawSockaddrAny) (Sockaddr, error) {
+ return nil, EAFNOSUPPORT
+}
+
+func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) {
+ var value IPv6MTUInfo
+ vallen := Socklen_t(SizeofIPv6MTUInfo)
+ err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
+ return &value, err
+}