net: enable SO_REUSEPORT on BSD variants
Fixes #1694.
R=golang-dev, rsc1, rsc
CC=golang-dev
https://golang.org/cl/4445067
diff --git a/src/pkg/net/sock_linux.go b/src/pkg/net/sock_linux.go
new file mode 100644
index 0000000..ec31e803
--- /dev/null
+++ b/src/pkg/net/sock_linux.go
@@ -0,0 +1,25 @@
+// 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.
+
+// Sockets for Linux
+
+package net
+
+import (
+ "syscall"
+)
+
+func setKernelSpecificSockopt(s, f int) {
+ // Allow reuse of recently-used addresses.
+ syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1)
+
+ // Allow broadcast.
+ syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1)
+
+ if f == syscall.AF_INET6 {
+ // using ip, tcp, udp, etc.
+ // allow both protocols even if the OS default is otherwise.
+ syscall.SetsockoptInt(s, syscall.IPPROTO_IPV6, syscall.IPV6_V6ONLY, 0)
+ }
+}
