From 5f7ee42c95caf6c33c266dd815fdb9e2a685ae46 Mon Sep 17 00:00:00 2001
From: Amos Bird <amosbird@gmail.com>
Date: Mon, 15 Jul 2019 10:07:59 +0800
Subject: [PATCH] Don't SEGFAULT

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

diff --git a/src/util/src/tlog.c b/src/util/src/tlog.c
index 64679a3fa3..8183dd7402 100644
--- a/src/util/src/tlog.c
+++ b/src/util/src/tlog.c
@@ -110,7 +110,7 @@ void taosStopLog() {
 void taosCloseLogger() {
   taosStopLog();
   sem_post(&(logHandle->buffNotEmpty));
-  pthread_join(logHandle->asyncThread, NULL);
+  if (logHandle->asyncThread) pthread_join(logHandle->asyncThread, NULL);
   // In case that other threads still use log resources causing invalid write in
   // valgrind, we comment two lines below.
   // taosLogBuffDestroy(logHandle);
-- 
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