Fix Wait() on process/tasks

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

linux/runtime.go

@@ -298,10 +298,10 @@ func (r *Runtime) Delete(ctx context.Context, c plugin.Task) (*plugin.Exit, erro
 	}); err != nil {
 		return nil, err
 	}
-
 	return &plugin.Exit{
 		Status:    rsp.ExitStatus,
 		Timestamp: rsp.ExitedAt,
+		Pid:       rsp.Pid,
 	}, r.deleteBundle(namespace, lc.containerID)
 }
 

linux/shim/service.go

@@ -98,6 +98,7 @@ func (s *Service) Delete(ctx context.Context, r *shimapi.DeleteRequest) (*shimap
 	return &shimapi.DeleteResponse{
 		ExitStatus: uint32(p.Status()),
 		ExitedAt:   p.ExitedAt(),
+		Pid:        uint32(p.Pid()),
 	}, nil
 }
 
@@ -119,6 +120,7 @@ func (s *Service) DeleteProcess(ctx context.Context, r *shimapi.DeleteProcessReq
 	return &shimapi.DeleteResponse{
 		ExitStatus: uint32(p.Status()),
 		ExitedAt:   p.ExitedAt(),
+		Pid:        uint32(p.Pid()),
 	}, nil
 }
 

linux/task.go

@@ -186,6 +186,7 @@ func (t *Task) DeleteProcess(ctx context.Context, pid uint32) (*plugin.Exit, err
 	return &plugin.Exit{
 		Status:    r.ExitStatus,
 		Timestamp: r.ExitedAt,
+		Pid:       pid,
 	}, nil
 }