libgo/go/net/main_unix_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 aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
   6
   7 package net
   8
   9 import "internal/poll"
  10
  11 var (
  12         // Placeholders for saving original socket system calls.
  13         origSocket        = socketFunc
  14         origClose         = poll.CloseFunc
  15         origConnect       = connectFunc
  16         origListen        = listenFunc
  17         origAccept        = poll.AcceptFunc
  18         origGetsockoptInt = getsockoptIntFunc
  19
  20         extraTestHookInstallers   []func()
  21         extraTestHookUninstallers []func()
  22 )
  23
  24 func installTestHooks() {
  25         socketFunc = sw.Socket
  26         poll.CloseFunc = sw.Close
  27         connectFunc = sw.Connect
  28         listenFunc = sw.Listen
  29         poll.AcceptFunc = sw.Accept
  30         getsockoptIntFunc = sw.GetsockoptInt
  31
  32         for _, fn := range extraTestHookInstallers {
  33                 fn()
  34         }
  35 }
  36
  37 func uninstallTestHooks() {
  38         socketFunc = origSocket
  39         poll.CloseFunc = origClose
  40         connectFunc = origConnect
  41         listenFunc = origListen
  42         poll.AcceptFunc = origAccept
  43         getsockoptIntFunc = origGetsockoptInt
  44
  45         for _, fn := range extraTestHookUninstallers {
  46                 fn()
  47         }
  48 }
  49
  50 // forceCloseSockets must be called only from TestMain.
  51 func forceCloseSockets() {
  52         for s := range sw.Sockets() {
  53                 poll.CloseFunc(s)
  54         }
  55 }