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https://github.com/golang/go
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30 lines
910 B
Go
30 lines
910 B
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Sockets for Windows
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package net
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import (
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"syscall"
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)
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func setKernelSpecificSockopt(s syscall.Handle, f int) {
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// Windows will reuse recently-used addresses by default.
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// SO_REUSEADDR should not be used here, as it allows
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// a socket to forcibly bind to a port in use by another socket.
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// This could lead to a non-deterministic behavior, where
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// connection requests over the port cannot be guaranteed
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// to be handled by the correct socket.
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// Allow broadcast.
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syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1)
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if f == syscall.AF_INET6 {
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// using ip, tcp, udp, etc.
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// allow both protocols even if the OS default is otherwise.
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syscall.SetsockoptInt(s, syscall.IPPROTO_IPV6, syscall.IPV6_V6ONLY, 0)
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}
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}
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