From 0ba581ec3d12e9a95962c05576e4f6f7ce52a784 Mon Sep 17 00:00:00 2001
From: Hui Li <huili@taosdata.com>
Date: Fri, 7 Aug 2020 14:48:13 +0800
Subject: [PATCH] [add error log for flock]

---
 src/dnode/src/dnodeMain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dnode/src/dnodeMain.c b/src/dnode/src/dnodeMain.c
index f521fbe02b..96f8f43265 100644
--- a/src/dnode/src/dnodeMain.c
+++ b/src/dnode/src/dnodeMain.c
@@ -159,7 +159,7 @@ static void dnodeCheckDataDirOpenned(char *dir) {
   }
   int32_t ret = flock(fd, LOCK_EX | LOCK_NB);
   if (ret != 0) {
-    dError("failed to lock file:%s ret:%d, database may be running, quit", filepath, ret);
+    dError("failed to lock file:%s ret:%d[%s], database may be running, quit", filepath, ret, strerror(errno));
     close(fd);
     exit(0);
   }
-- 
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