Initial windows runtime work

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>

services/execution/service.go

@@ -1,7 +1,6 @@
 package execution
 
 import (
-	"fmt"
 	"sync"
 
 	"github.com/containerd/containerd"
@@ -209,11 +208,7 @@ func (s *Service) Exec(ctx context.Context, r *api.ExecRequest) (*api.ExecRespon
 	if err != nil {
 		return nil, err
 	}
-	l, ok := c.(containerd.LinuxContainer)
-	if !ok {
-		return nil, fmt.Errorf("cannot exec into a non linux container")
-	}
-	process, err := l.Exec(ctx, containerd.ExecOpts{
+	process, err := c.Exec(ctx, containerd.ExecOpts{
 		Spec: r.Spec.Value,
 		IO: containerd.IO{
 			Stdin:    r.Stdin,

services/rootfs/service.go

@@ -1,8 +1,6 @@
 package rootfs
 
 import (
-	"syscall"
-
 	"github.com/containerd/containerd"
 	rootfsapi "github.com/containerd/containerd/api/services/rootfs"
 	containerd_v1_types "github.com/containerd/containerd/api/types/mount"
@@ -104,7 +102,7 @@ func (mounter) Mount(dir string, mounts ...containerd.Mount) error {
 }
 
 func (mounter) Unmount(dir string) error {
-	return syscall.Unmount(dir, 0)
+	return containerd.Unmount(dir, 0)
 }
 
 func emptyResolver(digest.Digest) digest.Digest {