handled tx/rx instance_cnt for allow some slack for UE threads

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7715 818b1a75-f10b-46b9-bf7c-635c3b92a50f

targets/RT/USER/lte-ue.c

@@ -1192,10 +1192,12 @@ void *UE_thread(void *arg)
             }
           }
         } else {
-          LOG_E( PHY, "[SCHED][UE] UE RX thread busy!!\n" );
-          exit_fun("nothing to add");
+          LOG_E( PHY, "[SCHED][UE] UE RX thread busy (IC %d)!!\n", instance_cnt_rx);
+	  if (instance_cnt_rx > 1) {
+	    exit_fun("instance_cnt_rx > 1");
 	    return &UE_thread_retval;
 	  }
+        }
 
        
         if ((tx_enabled==1)&&(UE->mode != loop_through_memory)) {
@@ -1226,11 +1228,13 @@ void *UE_thread(void *arg)
 	    LOG_D(HW,"signalled tx thread to wake up, hw_frame %d, hw_subframe %d (time %lli)\n", frame, hw_subframe, rt_get_time_ns()-T0 );
 
           } else {
-            LOG_E( PHY, "[SCHED][UE] UE TX thread busy!!\n" );
-            exit_fun("nothing to add");
+            LOG_E( PHY, "[SCHED][UE] UE TX thread busy (IC %d)!!\n" );
+	    if (instance_cnt_tx>1) {
+	      exit_fun("instance_cnt_tx > 1");
 	      return &UE_thread_retval;
 	    }
           }
+        }
 
       }
     } else {