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. 4 5// +build linux,arm64 linux,riscv64 6 7package main 8 9import "syscall" 10 11func dup2(oldfd, newfd int) error { 12 return syscall.Dup3(oldfd, newfd, 0) 13} 14