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1 // Copyright 2015 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
4
5 //go:build dragonfly || freebsd || linux || netbsd || openbsd || solaris
6
7 package net
8
9 import "internal/poll"
10
11 func init() {
12         extraTestHookInstallers = append(extraTestHookInstallers, installAccept4TestHook)
13         extraTestHookUninstallers = append(extraTestHookUninstallers, uninstallAccept4TestHook)
14 }
15
16 var (
17         // Placeholders for saving original socket system calls.
18         origAccept4 = poll.Accept4Func
19 )
20
21 func installAccept4TestHook() {
22         poll.Accept4Func = sw.Accept4
23 }
24
25 func uninstallAccept4TestHook() {
26         poll.Accept4Func = origAccept4
27 }