From cea0a7849a1a00fa32efaf31b96249575a7dadbb Mon Sep 17 00:00:00 2001
From: dapan1121 <wpan@taosdata.com>
Date: Tue, 12 Jul 2022 15:03:32 +0800
Subject: [PATCH] fix: fix lock issue

---
 source/util/src/tlockfree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/util/src/tlockfree.c b/source/util/src/tlockfree.c
index 69ab6c1a52..6f7b6f6901 100644
--- a/source/util/src/tlockfree.c
+++ b/source/util/src/tlockfree.c
@@ -44,7 +44,7 @@ void taosWLockLatch(SRWLatch *pLatch) {
   nLoops = 0;
   while (1) {
     oLatch = atomic_load_32(pLatch);
-    if (0 == oLatch) break;
+    if (oLatch == TD_RWLATCH_WRITE_FLAG) break;
     nLoops++;
     if (nLoops > 1000) {
       sched_yield();