From f5e4c78b8c1ec41e6fc1a957fa98c1ddda71a9ed Mon Sep 17 00:00:00 2001
From: evgeny <evgeny@adaptto.ru>
Date: Fri, 23 Oct 2026 21:57:10 +0200
Subject: [PATCH] Exercise repeated close during the server link teardown event

---
 tests/test_etcp_stcp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/test_etcp_stcp.c b/tests/test_etcp_stcp.c
index d40a8b22..0416aa13 100644
--- a/tests/test_etcp_stcp.c
+++ b/tests/test_etcp_stcp.c
@@ -306,6 +306,10 @@ static void close_from_link_event(struct ETCP_CONN *conn, struct ETCP_LINK *link
         old_state, old_status, link->link_state, link->link_status);
     if (test->action == 2) etcp_connection_close(conn);
     else if (test->action == 3) stcp_link_close(link->tcp_link);
+    else if (test->action == 4 && link->closing) {
+        test->nested_close++;
+        etcp_link_close(link); etcp_link_close(link);
+    }
     else etcp_link_close(link);
 }