Fix cross-compile on windows

Signed-off-by: Daniel Hiltgen <[email protected]>

cli/containerdutils/hostpaths.go

@@ -14,7 +14,6 @@ import (
 	"github.com/containerd/containerd/cio"
 	"github.com/docker/docker/pkg/stringid"
 	specs "github.com/opencontainers/runtime-spec/specs-go"
-	"golang.org/x/sys/unix"
 )
 
 // VerifyHostDirExists ensures that the desired directory exists on the host
@@ -78,7 +77,7 @@ func VerifyHostDirExists(ctx context.Context, client WrappedContainerdClient, di
 	task, err := container.NewTask(ctx, cio.NullIO)
 	if err == nil {
 		// Path exists, kill the task and proceed to clean up
-		err = task.Kill(ctx, unix.SIGKILL)
+		err = task.Kill(ctx, SIGKILL)
 		if err != nil && !strings.Contains(err.Error(), "not found") {
 			return fmt.Errorf("failed to kill task: %s", err)
 		}
@@ -159,7 +158,7 @@ func VerifyHostDirExists(ctx context.Context, client WrappedContainerdClient, di
 			logrus.Fatalf("Failed to wait for container task: %s", err)
 		}
 		<-status
-		err = task.Kill(ctx, unix.SIGKILL)
+		err = task.Kill(ctx, SIGKILL)
 		if err != nil && !strings.Contains(err.Error(), "not found") {
 			return fmt.Errorf("failed to kill task: %s", err)
 		}
@@ -248,7 +247,7 @@ func VerifyDockerConfig(ctx context.Context, client WrappedContainerdClient, con
 		return fmt.Errorf("Failed to wait for container task: %s", err)
 	}
 	<-status
-	err = task.Kill(ctx, unix.SIGKILL)
+	err = task.Kill(ctx, SIGKILL)
 	if err != nil {
 		logrus.Debugf("Failed to kill task: %s", err)
 	}

cli/containerdutils/signal_unix.go

@@ -0,0 +1,12 @@
+// +build !windows
+
+package containerdutils
+
+import (
+	"golang.org/x/sys/unix"
+)
+
+var (
+	// SIGKILL maps to unix.SIGKILL
+	SIGKILL = unix.SIGKILL
+)

cli/containerdutils/signal_windows.go

@@ -0,0 +1,12 @@
+// +build windows
+
+package containerdutils
+
+import (
+	"syscall"
+)
+
+var (
+	// SIGKILL all signals are ignored by containerd kill windows
+	SIGKILL = syscall.Signal(0)
+)