From e38a8e937864ebae325ed0d10a3134f288cb8baf Mon Sep 17 00:00:00 2001
From: wenbodong2015 <815611030@qq.com>
Date: Sat, 10 Jul 2021 23:10:11 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3at=5Fsocket=E7=BC=96=E8=AF=91?=
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失败现象为“找不到EAGAIN”，此问题由libc改动引发。
---
 components/net/at/at_socket/at_socket.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/net/at/at_socket/at_socket.c b/components/net/at/at_socket/at_socket.c
index 6d4c040856..46d158dabf 100644
--- a/components/net/at/at_socket/at_socket.c
+++ b/components/net/at/at_socket/at_socket.c
@@ -13,6 +13,7 @@
 #include <string.h>
 #include <ctype.h>
 #include <sys/time.h>
+#include <sys/errno.h>
 
 #include <at_socket.h>
 #include <at_device.h>