diff --git a/src/sf_service.c b/src/sf_service.c
index d74ebf6..e844ac1 100644
--- a/src/sf_service.c
+++ b/src/sf_service.c
@@ -400,6 +400,19 @@ int sf_socket_server_ex(SFContext *sf_context)
     return 0;
 }
 
+void sf_socket_close_ex(SFContext *sf_context)
+{
+    if (sf_context->inner_sock >= 0) {
+        close(sf_context->inner_sock);
+        sf_context->inner_sock = -1;
+    }
+
+    if (sf_context->outer_sock >= 0) {
+        close(sf_context->outer_sock);
+        sf_context->outer_sock = -1;
+    }
+}
+
 static void accept_run(struct accept_thread_context *accept_context)
 {
     int incomesock;
diff --git a/src/sf_service.h b/src/sf_service.h
index a49bd97..8008485 100644
--- a/src/sf_service.h
+++ b/src/sf_service.h
@@ -86,6 +86,9 @@ void sf_set_current_time();
 int sf_socket_server_ex(SFContext *sf_context);
 #define sf_socket_server() sf_socket_server_ex(&g_sf_context)
 
+void sf_socket_close_ex(SFContext *sf_context);
+#define sf_socket_close() sf_socket_close_ex(&g_sf_context)
+
 void sf_accept_loop_ex(SFContext *sf_context, const bool block);
 
 #define sf_accept_loop()  sf_accept_loop_ex(&g_sf_context, true)