1 files changed, 27 insertions, 0 deletions
diff --git a/src/net/main_cloexec_test.go b/src/net/main_cloexec_test.go
new file mode 100644
index 0000000..6ea99ad
--- /dev/null
+++ b/src/net/main_cloexec_test.go
@@ -0,0 +1,27 @@
+// 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 dragonfly || freebsd || linux || netbsd || openbsd || solaris
+
+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() {
+	poll.Accept4Func = sw.Accept4
+}
+
+func uninstallAccept4TestHook() {
+	poll.Accept4Func = origAccept4
+}