use golang.org/x/sys/unix for dup2

BenTheElder · BenTheElder · commit 9c214ed89d26 · 2020-10-26T14:06:00.000-07:00
fixes build on arm64

Signed-off-by: Benjamin Elder &lt;bentheelder@google.com&gt;
diff --git a/fifo.go b/fifo.go
@@ -25,6 +25,7 @@ import (
 	"syscall"
 
 	"github.com/pkg/errors"
+	"golang.org/x/sys/unix"
 )
 
 type fifo struct {
@@ -48,7 +49,7 @@ func OpenFifoDup2(ctx context.Context, fn string, flag int, perm os.FileMode, fd
 		return nil, errors.Wrap(err, "fifo error")
 	}
 
-	if err := syscall.Dup2(int(f.file.Fd()), fd); err != nil {
+	if err := unix.Dup2(int(f.file.Fd()), fd); err != nil {
 		_ = f.Close()
 		return nil, errors.Wrap(err, "dup2 error")
 	}

Original file line number	Diff line number	Diff line change
`@@ -25,6 +25,7 @@ import (`
`25`	`25`	`"syscall"`
`26`	`26`
`27`	`27`	`"github.com/pkg/errors"`
	`28`	`+ "golang.org/x/sys/unix"`
`28`	`29`	`)`
`29`	`30`
`30`	`31`	`type fifo struct {`
`@@ -48,7 +49,7 @@ func OpenFifoDup2(ctx context.Context, fn string, flag int, perm os.FileMode, fd`
`48`	`49`	`return nil, errors.Wrap(err, "fifo error")`
`49`	`50`	`}`
`50`	`51`
`51`		`- if err := syscall.Dup2(int(f.file.Fd()), fd); err != nil {`
	`52`	`+ if err := unix.Dup2(int(f.file.Fd()), fd); err != nil {`
`52`	`53`	`_ = f.Close()`
`53`	`54`	`return nil, errors.Wrap(err, "dup2 error")`
`54`	`55`	`}`