From ec60113e09d9fc985b1c35fe1c579ef73c067d91 Mon Sep 17 00:00:00 2001
From: selsta <selsta@sent.at>
Date: Sun, 31 May 2026 02:37:15 +0200
Subject: p2p: make stop signal idempotent

---
 contrib/epee/include/net/abstract_tcp_server2.inl | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'contrib')

diff --git a/contrib/epee/include/net/abstract_tcp_server2.inl b/contrib/epee/include/net/abstract_tcp_server2.inl
index 56d3d7de2..f15928f45 100644
--- a/contrib/epee/include/net/abstract_tcp_server2.inl
+++ b/contrib/epee/include/net/abstract_tcp_server2.inl
@@ -1579,7 +1579,11 @@ namespace net_utils
   template<class t_protocol_handler>
   void boosted_tcp_server<t_protocol_handler>::send_stop_signal(std::function<void()> close_all_connections)
   {
-    m_stop_signal_sent = true;
+    if (m_stop_signal_sent.exchange(true))
+    {
+      MDEBUG("Stop signal already sent");
+      return;
+    }
     typename connection<t_protocol_handler>::shared_state *state = static_cast<typename connection<t_protocol_handler>::shared_state*>(m_state.get());
     state->stop_signal_sent = true;
     TRY_ENTRY();
-- 
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