From 829cf222e8bc3699fef22c3b278819c8b4e54774 Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Tue, 2 Feb 2021 08:59:32 +0000
Subject: [PATCH] fix another possible race condition

---
 src/tsdb/src/tsdbMemTable.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/tsdb/src/tsdbMemTable.c b/src/tsdb/src/tsdbMemTable.c
index 0931b6281b..73a1270799 100644
--- a/src/tsdb/src/tsdbMemTable.c
+++ b/src/tsdb/src/tsdbMemTable.c
@@ -216,11 +216,13 @@ void *tsdbAllocBytes(STsdbRepo *pRepo, int bytes) {
 }
 
 int tsdbAsyncCommit(STsdbRepo *pRepo) {
-  if (pRepo->mem == NULL) return 0;
-
   tsem_wait(&(pRepo->readyToCommit));
 
   ASSERT(pRepo->imem == NULL);
+  if (pRepo->mem == NULL) {
+    tsem_post(&(pRepo->readyToCommit));
+    return 0;
+  }
 
   if (pRepo->code != TSDB_CODE_SUCCESS) {
     tsdbWarn("vgId:%d try to commit when TSDB not in good state: %s", REPO_ID(pRepo), tstrerror(terrno));
-- 
GitLab