Remove eventloop package

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

supervisor/checkpoint.go

@@ -1,25 +1,31 @@
 package supervisor
 
+import "github.com/docker/containerd/runtime"
+
 type CreateCheckpointTask struct {
-	s *Supervisor
+	baseTask
+	ID         string
+	Checkpoint *runtime.Checkpoint
 }
 
-func (h *CreateCheckpointTask) Handle(e *Task) error {
-	i, ok := h.s.containers[e.ID]
+func (s *Supervisor) createCheckpoint(t *CreateCheckpointTask) error {
+	i, ok := s.containers[t.ID]
 	if !ok {
 		return ErrContainerNotFound
 	}
-	return i.container.Checkpoint(*e.Checkpoint)
+	return i.container.Checkpoint(*t.Checkpoint)
 }
 
 type DeleteCheckpointTask struct {
-	s *Supervisor
+	baseTask
+	ID         string
+	Checkpoint *runtime.Checkpoint
 }
 
-func (h *DeleteCheckpointTask) Handle(e *Task) error {
-	i, ok := h.s.containers[e.ID]
+func (s *Supervisor) deleteCheckpoint(t *DeleteCheckpointTask) error {
+	i, ok := s.containers[t.ID]
 	if !ok {
 		return ErrContainerNotFound
 	}
-	return i.container.DeleteCheckpoint(e.Checkpoint.Name)
+	return i.container.DeleteCheckpoint(t.Checkpoint.Name)
 }