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.
5 // +build linux,arm64 linux,riscv64
11 func dup2(oldfd, newfd int) error {
12 return syscall.Dup3(oldfd, newfd, 0)