libgo/go/net/main_cloexec_test.go

   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 // +build dragonfly freebsd linux
   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 }