From 63d29fefab5290dc96e0a03ff70603aefa995887 Mon Sep 17 00:00:00 2001 From: Ondřej Surý Date: Mon, 23 May 2011 09:45:29 +0200 Subject: Imported Upstream version 2011.05.22 --- src/pkg/net/sock_bsd.go | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/pkg/net/sock_bsd.go (limited to 'src/pkg/net/sock_bsd.go') diff --git a/src/pkg/net/sock_bsd.go b/src/pkg/net/sock_bsd.go new file mode 100644 index 000000000..5fd52074a --- /dev/null +++ b/src/pkg/net/sock_bsd.go @@ -0,0 +1,31 @@ +// 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 BSD variants + +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 reuse of recently-used ports. + // This option is supported only in descendants of 4.4BSD, + // to make an effective multicast application and an application + // that requires quick draw possible. + syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEPORT, 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) + } +} -- cgit v1.2.3