From ddbd606860016c63f11358ce49cd6c61ab4d1563 Mon Sep 17 00:00:00 2001
From: Mariappan Ramasamy
 <142216110+kp-mariappan-ramasamy@users.noreply.github.com>
Date: Mon, 6 Jan 2025 12:27:29 +0800
Subject: [PATCH] Fix atomic access of first message received

---
 src/he/flow.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/he/flow.c b/src/he/flow.c
index 3a2ba95..694ebd5 100644
--- a/src/he/flow.c
+++ b/src/he/flow.c
@@ -409,8 +409,13 @@ he_return_code_t he_internal_flow_outside_data_verify_connection(he_conn_t *conn
   }
 
   // Check to see if this is our first message and trigger an event change if it is
+#ifdef HE_ENABLE_MULTITHREADED
   bool expected = false;
   if (atomic_compare_exchange_strong(&conn->first_message_received, &expected, true)) {
+#else
+  if (!conn->first_message_received) {
+    conn->first_message_received = true;
+#endif
     he_internal_generate_event(conn, HE_EVENT_FIRST_MESSAGE_RECEIVED);
   }