From 7aa062c9ad5679891f0d949160146c02eaa6b71a Mon Sep 17 00:00:00 2001
From: yihaoDeng <luomoxyz@126.com>
Date: Sat, 18 Jul 2020 03:03:04 +0000
Subject: [PATCH] modify function

---
 src/util/inc/tlockfree.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/util/inc/tlockfree.h b/src/util/inc/tlockfree.h
index e425d71d27..a81f597832 100644
--- a/src/util/inc/tlockfree.h
+++ b/src/util/inc/tlockfree.h
@@ -75,7 +75,7 @@ void taosRUnLockLatch(SRWLatch *pLatch);
 
 // copy on read
 #define taosCorBeginRead(x) for (uint32_t i_ = 1; 1; ++i_) { \
-    int32_t old_ = atomic_load_32(x); \
+    int32_t old_ = atomic_add_fetch_32((x), 0); \
     if (old_ & 0x00000001) { \
       if (i_ % 1000 == 0) { \
         sched_yield(); \
@@ -84,7 +84,7 @@ void taosRUnLockLatch(SRWLatch *pLatch);
     }
 
 #define taosCorEndRead(x) \
-    if (atomic_load_32(x) == old_) { \
+    if (atomic_add_fetch_32((x), 0) == old_) { \
       break; \
     } \
   }
-- 
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