1 files changed, 29 insertions, 0 deletions
diff --git a/stacks/lwip_stack/lwip_src/socket/stackx_event.c b/stacks/lwip_stack/lwip_src/socket/stackx_event.c
new file mode 100644
index 0000000..93e47a3
--- /dev/null
+++ b/stacks/lwip_stack/lwip_src/socket/stackx_event.c
@@ -0,0 +1,29 @@
+/*
+*
+* Copyright (c) 2018 Huawei Technologies Co.,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.
+*/
+
+#include "stackx_spl_share.h"
+#include "common_pal_bitwide_adjust.h"
+#include "stackx_event.h"
+#include <netinet/in.h>
+
+#define FREE_FD_SET(readfd, writefd, exceptfd)  {\
+    if(readfd)\
+        free(readfd);\
+    if(writefd)\
+        free(writefd);\
+    if(exceptfd)\
+        free(exceptfd);\
+}