diff --git a/src/ioevent_loop.h b/src/ioevent_loop.h
index 8a41970..66f8ab9 100644
--- a/src/ioevent_loop.h
+++ b/src/ioevent_loop.h
@@ -32,6 +32,11 @@ int ioevent_remove(IOEventPoller *ioevent, void *data);
 int ioevent_set(struct fast_task_info *pTask, struct nio_thread_data *pThread,
 	int sock, short event, IOEventCallback callback, const int timeout);
 
+static inline bool ioevent_is_canceled(struct fast_task_info *task)
+{
+    return __sync_fetch_and_add(&task->canceled, 0) != 0;
+}
+
 //only called by the nio thread
 static inline void ioevent_add_to_deleted_list(struct fast_task_info *task)
 {
diff --git a/src/locked_list.h b/src/locked_list.h
index 0faceee..1c49067 100644
--- a/src/locked_list.h
+++ b/src/locked_list.h
@@ -48,6 +48,15 @@ extern "C" {
         PTHREAD_MUTEX_UNLOCK(&list->lock);
     }
 
+    static inline int locked_list_count(FCLockedList *list)
+    {
+        int count;
+        PTHREAD_MUTEX_LOCK(&list->lock);
+        count = fc_list_count(&list->head);
+        PTHREAD_MUTEX_UNLOCK(&list->lock);
+        return count;
+    }
+
 #ifdef __cplusplus
 }
 #endif