1 files changed, 55 insertions, 0 deletions
diff --git a/src/net/main_unix_test.go b/src/net/main_unix_test.go
new file mode 100644
index 0000000..e7a5b4f
--- /dev/null
+++ b/src/net/main_unix_test.go
@@ -0,0 +1,55 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build unix
+
+package net
+
+import "internal/poll"
+
+var (
+	// Placeholders for saving original socket system calls.
+	origSocket        = socketFunc
+	origClose         = poll.CloseFunc
+	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
+	getsockoptIntFunc = sw.GetsockoptInt
+
+	for _, fn := range extraTestHookInstallers {
+		fn()
+	}
+}
+
+func uninstallTestHooks() {
+	socketFunc = origSocket
+	poll.CloseFunc = origClose
+	connectFunc = origConnect
+	listenFunc = origListen
+	poll.AcceptFunc = origAccept
+	getsockoptIntFunc = origGetsockoptInt
+
+	for _, fn := range extraTestHookUninstallers {
+		fn()
+	}
+}
+
+// forceCloseSockets must be called only from TestMain.
+func forceCloseSockets() {
+	for s := range sw.Sockets() {
+		poll.CloseFunc(s)
+	}
+}