From 5a4ac21df75903007b652dfff724a01a075055e6 Mon Sep 17 00:00:00 2001
From: Ping Xiao <pxiao@taosdata.com>
Date: Thu, 25 Mar 2021 14:31:10 +0800
Subject: [PATCH] fix crash issue

---
 tests/examples/c/asyncdemo.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tests/examples/c/asyncdemo.c b/tests/examples/c/asyncdemo.c
index 16a14e9654..b9e3cdc7b5 100644
--- a/tests/examples/c/asyncdemo.c
+++ b/tests/examples/c/asyncdemo.c
@@ -30,6 +30,7 @@ int     points = 5;
 int     numOfTables = 3;
 int     tablesProcessed = 0;
 int64_t st, et;
+int     done = 0;
 
 typedef struct {
   int       id;
@@ -163,6 +164,16 @@ int main(int argc, char *argv[])
 
   getchar();
 
+  while(1) {
+    if (tablesProcessed < numOfTables) {
+       printf("wait for process finished\n");
+       sleep(1);
+       continue;
+    }  
+
+    break;
+  }
+
   taos_close(taos);
   free(tableList);