From 87db3cfad38260e06fa81f8c32c6c1679880e7bd Mon Sep 17 00:00:00 2001
From: Fredrik Fornwall <fredrik@fornwall.net>
Date: Wed, 7 Sep 2016 22:21:58 +0200
Subject: [PATCH] Use Dup2 library function instead of raw syscall
The Dup2 syscall does not exist on 64-bit arm Linux while its
replacement Dup3 does not exist on non-Linux systems.
Using the unix.Dup2 library function instead of raw syscalls
improves the portability across more platforms.
---
cmd/redirect_stderr_unix.go | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/cmd/redirect_stderr_unix.go b/cmd/redirect_stderr_unix.go
index f31c8e062..bc1177ad3 100644
--- a/cmd/redirect_stderr_unix.go
+++ b/cmd/redirect_stderr_unix.go
@@ -7,12 +7,13 @@ package cmd
import (
"log"
"os"
- "syscall"
+
+ "golang.org/x/sys/unix"
)
// redirectStderr to the file passed in
func redirectStderr(f *os.File) {
- err := syscall.Dup2(int(f.Fd()), int(os.Stderr.Fd()))
+ err := unix.Dup2(int(f.Fd()), int(os.Stderr.Fd()))
if err != nil {
log.Fatalf("Failed to redirect stderr to file: %v", err)
}