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Diffstat (limited to 'libgo/go/net/sock_bsd.go')
-rw-r--r--libgo/go/net/sock_bsd.go31
1 files changed, 31 insertions, 0 deletions
diff --git a/libgo/go/net/sock_bsd.go b/libgo/go/net/sock_bsd.go
new file mode 100644
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+++ b/libgo/go/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)
+ }
+}