From 55d1b9027f032d351b0f1713981ee53bc92247fe Mon Sep 17 00:00:00 2001
From: Shengliang Guan <slguan@taosdata.com>
Date: Tue, 28 Jul 2020 06:42:32 +0000
Subject: [PATCH] [TD-992]

---
 src/os/src/detail/osMem.c   | 1 +
 src/os/src/detail/osTimer.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/os/src/detail/osMem.c b/src/os/src/detail/osMem.c
index 1aee0813e7..93943c6543 100644
--- a/src/os/src/detail/osMem.c
+++ b/src/os/src/detail/osMem.c
@@ -13,6 +13,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#define _DEFAULT_SOURCE
 #include "os.h"
 #include "tulog.h"
 
diff --git a/src/os/src/detail/osTimer.c b/src/os/src/detail/osTimer.c
index 4074c50289..e0a2e90314 100644
--- a/src/os/src/detail/osTimer.c
+++ b/src/os/src/detail/osTimer.c
@@ -13,6 +13,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#define _DEFAULT_SOURCE
 #include "os.h"
 #include "taosdef.h"
 #include "tglobal.h"