From 4e64fbc78b47f0f5e353497b154fc182a7f73a8f Mon Sep 17 00:00:00 2001
From: kannibalox <kannibalox@gmail.com>
Date: Tue, 3 Dec 2024 12:26:51 -0500
Subject: [PATCH] Properly use compare_exchange_strong

In practice, calling `network.scgi.open_port` again doesn't trigger
this function.
---
 src/thread_worker.cc | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/thread_worker.cc b/src/thread_worker.cc
index 61fc4083..4221f1aa 100644
--- a/src/thread_worker.cc
+++ b/src/thread_worker.cc
@@ -67,11 +67,10 @@ ThreadWorker::init_thread() {
 
 bool
 ThreadWorker::set_scgi(rpc::SCgi* scgi) {
-  if (m_scgi != nullptr)
+  rpc::SCgi* expected = nullptr;
+  if (!m_scgi.compare_exchange_strong(expected, scgi))
     return false;
 
-  m_scgi = scgi;
-
   change_xmlrpc_log();
 
   queue_item((thread_base_func)&start_scgi);