[op] Replace syscall package usage with golang.org/x/sys/unix in runsc/.

The syscall package has been deprecated in favor of golang.org/x/sys.

Note that syscall is still used in some places because the following don't seem
to have an equivalent in unix package:
- syscall.SysProcIDMap
- syscall.Credential

Updates #214

PiperOrigin-RevId: 361381490

1 files changed, 2 insertions, 2 deletions

diff --git a/runsc/boot/controller.go b/runsc/boot/controller.go
index 5e849cb37..1cd5fba5c 100644
--- a/runsc/boot/controller.go
+++ b/runsc/boot/controller.go
@@ -18,9 +18,9 @@ import (
 	"errors"
 	"fmt"
 	"os"
-	"syscall"
 
 	specs "github.com/opencontainers/runtime-spec/specs-go"
+	"golang.org/x/sys/unix"
 	"gvisor.dev/gvisor/pkg/control/server"
 	"gvisor.dev/gvisor/pkg/fd"
 	"gvisor.dev/gvisor/pkg/log"
@@ -366,7 +366,7 @@ func (cm *containerManager) Restore(o *RestoreOpts, _ *struct{}) error {
 	case 2:
 		// The device file is donated to the platform.
 		// Can't take ownership away from os.File. dup them to get a new FD.
-		fd, err := syscall.Dup(int(o.Files[1].Fd()))
+		fd, err := unix.Dup(int(o.Files[1].Fd()))
 		if err != nil {
 			return fmt.Errorf("failed to dup file: %v", err)
 		}