From 8aed759161ff4a44af0685bb2157f4bdaec18346 Mon Sep 17 00:00:00 2001
From: "Hui, Chunyang" <sanqian.hcy@antfin.com>
Date: Thu, 16 Dec 2021 07:47:21 +0000
Subject: [PATCH] Clean clear_ctid when thread exits

---
 src/libos/src/process/do_exit.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libos/src/process/do_exit.rs b/src/libos/src/process/do_exit.rs
index 31a27c82..aac82c84 100644
--- a/src/libos/src/process/do_exit.rs
+++ b/src/libos/src/process/do_exit.rs
@@ -53,6 +53,7 @@ fn exit_thread(term_status: TermStatus) {
         }
         futex_wake(ctid_ptr.as_ptr() as *const i32, 1);
     }
+    thread.set_clear_ctid(None);
 
     // Notify waiters that the owner of robust futex has died.
     thread.wake_robust_list();