package net

import "internal/poll"

func init() {
	extraTestHookInstallers = append(extraTestHookInstallers, installAccept4TestHook)
	extraTestHookUninstallers = append(extraTestHookUninstallers, uninstallAccept4TestHook)
}

var (
	// Placeholders for saving original socket system calls.
	origAccept4 = poll.Accept4Func
)

func installAccept4TestHook() {

	origConnect       = connectFunc
	origListen        = listenFunc
	origAccept        = poll.AcceptFunc
	origGetsockoptInt = getsockoptIntFunc

	extraTestHookInstallers   []func()
	extraTestHookUninstallers []func()
)

func installTestHooks() {
	socketFunc = sw.Socket
	poll.CloseFunc = sw.Close
	connectFunc = sw.Connect
	listenFunc = sw.Listen
	poll.AcceptFunc = sw.Accept