| // 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 (linux && arm64) || (linux && riscv) || (linux && riscv64) | |
| // +build linux,arm64 linux,riscv linux,riscv64 | |
| package main | |
| import "syscall" | |
| func dup2(oldfd, newfd int) error { | |
| return syscall.Dup3(oldfd, newfd, 0) | |
| } |