syscall: workaround for getsockname bug in AIX
Change-Id: Ieebd933ca7a0c1262534a3530a4d1b61148223dc
Reviewed-on: https://go-review.googlesource.com/64552
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/libgo/go/syscall/socket_aix.go b/libgo/go/syscall/socket_aix.go
new file mode 100644
index 0000000..40cf423
--- /dev/null
+++ b/libgo/go/syscall/socket_aix.go
@@ -0,0 +1,89 @@
+// socket_aix.go -- Socket handling specific to AIX.
+
+// Copyright 2017 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 = 1025
+
+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 [1023]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) {
+ // Some versions of AIX have a bug in getsockname (see IV78655).
+ // We can't rely on sa.Len being set correctly.
+ n := SizeofSockaddrUnix - 3 // substract leading Family, Len, terminating NUL.
+ for i := 0; i < n; i++ {
+ if sa.Path[i] == 0 {
+ n = i
+ break
+ }
+ }
+ 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
+}
diff --git a/libgo/go/syscall/socket_bsd.go b/libgo/go/syscall/socket_bsd.go
index ecdab06..cf3fc4f 100644
--- a/libgo/go/syscall/socket_bsd.go
+++ b/libgo/go/syscall/socket_bsd.go
@@ -4,7 +4,7 @@
// 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 openbsd netbsd
+// +build darwin dragonfly freebsd openbsd netbsd
package syscall
