1 files changed, 7 insertions, 1 deletions
diff --git a/kc/core/task.h b/kc/core/task.h
index eae38bb..5d9f39f 100644
--- a/kc/core/task.h
+++ b/kc/core/task.h
@@ -10,6 +10,7 @@ enum kc_thread_status
     RUNNING,
     SLEEPING,
     BLOCKED,
+	WAITING,
     TERMINATED
 };
 
@@ -27,10 +28,15 @@ struct kc_thread
 	union kc_thread_result result;
 	enum kc_thread_status status;
 	struct kc_thread *next;
-	uint64_t sleep_expiration;
+	union
+	{
+		uint64_t sleep_expiration;
+		struct kc_thread *wait_target;
+	};
 };
 
 void task_init(void);
 
 void kct_terminate(union kc_thread_result result);
+union kc_thread_result kct_wait(struct kc_thread *target);