1 files changed, 13 insertions, 0 deletions
diff --git a/misc/cgo/testcshared/testdata/libgo2/dup2.go b/misc/cgo/testcshared/testdata/libgo2/dup2.go
new file mode 100644
index 0000000..d343aa5
--- /dev/null
+++ b/misc/cgo/testcshared/testdata/libgo2/dup2.go
@@ -0,0 +1,13 @@
+// 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.
+
+// +build darwin dragonfly freebsd linux,!arm64,!riscv64 netbsd openbsd
+
+package main
+
+import "syscall"
+
+func dup2(oldfd, newfd int) error {
+	return syscall.Dup2(oldfd, newfd)
+}