From e4f0c065b017f28bbd4631271f93481b81077966 Mon Sep 17 00:00:00 2001
From: dongheng <Dong Heng>
Date: Tue, 5 Mar 2019 15:28:28 +0800
Subject: [PATCH] feat(lwip): Add <sys/select.h> header file

Using "lwip/sockets.h" really.
---
 .../lwip/port/esp8266/include/sys/select.h    | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 components/lwip/port/esp8266/include/sys/select.h

diff --git a/components/lwip/port/esp8266/include/sys/select.h b/components/lwip/port/esp8266/include/sys/select.h
new file mode 100644
index 00000000..7b7b68d8
--- /dev/null
+++ b/components/lwip/port/esp8266/include/sys/select.h
@@ -0,0 +1,20 @@
+// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef __ESP_SYS_SELECT_H__
+#define __ESP_SYS_SELECT_H__
+
+#include "lwip/sockets.h"
+
+#endif //__ESP_SYS_SELECT_H__