add kiro skills

src/controller/cluster.c

@@ -25,6 +25,7 @@
 #include "worker.h"
 #include "xce/errnox.h"
 #include "xstring.h"
+#include "helper.h"
 
 static xce_peerinfo_t from_controller
     = { .name = "controller", .key = "keepSecret" };
@@ -159,7 +160,8 @@ static int myreq_handler(vtask_t* task)
 
     rc = xce_decode(data->u.iodata.pkt, &request);
 
-    TRACE("%s cpu#%d opcode %d", __func__, task->vcpu, request.opcode);
+    TRACE("%s cpu#%d opcode %s", __func__, task->vcpu,
+          xce_request_op_name(&request));
 
     init_reply_by_req(&reply, &request);
 
@@ -899,6 +901,10 @@ static int check_workers_timeout(void* args)
             break;
         }
 
+        if (w->ep == NULL) {
+            continue;
+        }
+        
         /* check_worker_timeout_(c, w); */
         if (w != NULL) {
             reference(w);