From fce32d149eefd38dea80c0274ed9cca783dfd6ce Mon Sep 17 00:00:00 2001
From: Zhi Guan <guanzhi1980@gmail.com>
Date: Tue, 9 Dec 2025 08:46:21 +0800
Subject: [PATCH] Update socket.h

---
 include/gmssl/socket.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/gmssl/socket.h b/include/gmssl/socket.h
index 926d22b7..80437453 100644
--- a/include/gmssl/socket.h
+++ b/include/gmssl/socket.h
@@ -45,6 +45,7 @@ typedef int tls_socklen_t;
 #include <arpa/inet.h>
 #include <sys/types.h>
 #include <sys/socket.h>
+#include <sys/select.h>
 #include <netinet/in.h>
 #include <unistd.h>