From 8883732648239223736a11f94022689ae6441f43 Mon Sep 17 00:00:00 2001
From: fchn289 <sz.chen@nokia-sbell.com>
Date: Wed, 31 Jan 2024 13:35:08 +0800
Subject: [PATCH] ThreadBack: fix race found by tsan

---
 src/log/UniCoutLog.hpp       | 2 ++
 src/log/UniSmartLog.hpp      | 2 ++
 ut/thread/ThreadBackTest.cpp | 2 +-
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/log/UniCoutLog.hpp b/src/log/UniCoutLog.hpp
index e6f20bb..6f62090 100644
--- a/src/log/UniCoutLog.hpp
+++ b/src/log/UniCoutLog.hpp
@@ -13,6 +13,8 @@
 //
 // - CORE:
 //   . cout
+//
+// - NOT MT safe: since (static) member; so shall ONLY use in main thread
 // ***********************************************************************************************
 #ifndef UNI_COUT_LOG_HPP_
 #define UNI_COUT_LOG_HPP_
diff --git a/src/log/UniSmartLog.hpp b/src/log/UniSmartLog.hpp
index ca521de..490f4e4 100644
--- a/src/log/UniSmartLog.hpp
+++ b/src/log/UniSmartLog.hpp
@@ -10,6 +10,8 @@
 //
 // - CORE:
 //   . smartLog_
+//
+// - NOT MT safe: since (static) member; so shall ONLY use in main thread
 // ***********************************************************************************************
 #ifndef UNI_SMART_LOG_HPP_
 #define UNI_SMART_LOG_HPP_
diff --git a/ut/thread/ThreadBackTest.cpp b/ut/thread/ThreadBackTest.cpp
index 495f693..082687f 100644
--- a/ut/thread/ThreadBackTest.cpp
+++ b/ut/thread/ThreadBackTest.cpp
@@ -60,7 +60,7 @@ TEST_F(ThreadBackTest, GOLD_entryFn_inNewThread_thenBackFn_inMainThread_withSema
         {
             EXPECT_NE(this_thread::get_id(), mt_threadID) << "REQ: in new thread";
             mt_threadID = this_thread::get_id();
-            DBG("MT_ThreadEntryFN(): thread id=" << mt_threadID);
+            HID("MT_ThreadEntryFN(): thread id=" << mt_threadID);  // not MT safe but debug only
             return true;
         },
         // ThreadBackFN