From 76288100d8eb50507d6f25df93f311fb375f2cb5 Mon Sep 17 00:00:00 2001
From: dapan1121 <wpan@taosdata.com>
Date: Fri, 26 Nov 2021 08:51:22 +0800
Subject: [PATCH] [TD-11383]fix tmp file name conflict issue

---
 src/os/src/detail/osFile.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/os/src/detail/osFile.c b/src/os/src/detail/osFile.c
index cc12968c72..039d688526 100644
--- a/src/os/src/detail/osFile.c
+++ b/src/os/src/detail/osFile.c
@@ -28,6 +28,7 @@ void taosClose(FileFd fd) {
 void taosGetTmpfilePath(const char *fileNamePrefix, char *dstPath) {
   const char *tdengineTmpFileNamePrefix = "tdengine-";
   char        tmpPath[PATH_MAX];
+  static uint64_t seqId = 0;
 
   int32_t len = (int32_t)strlen(tsTempDir);
   memcpy(tmpPath, tsTempDir, len);
@@ -43,8 +44,10 @@ void taosGetTmpfilePath(const char *fileNamePrefix, char *dstPath) {
     strcat(tmpPath, "-%d-%s");
   }
 
-  char rand[8] = {0};
-  taosRandStr(rand, tListLen(rand) - 1);
+  char rand[32] = {0};
+
+  sprintf(rand, "%" PRIu64, atomic_add_fetch_64(&seqId, 1));
+
   snprintf(dstPath, PATH_MAX, tmpPath, getpid(), rand);
 }
 
-- 
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