From 4317e9d829512766f5ef7cecfc96fc991b5191d0 Mon Sep 17 00:00:00 2001
From: Jonathan White <support@dmapps.us>
Date: Sun, 11 Aug 2024 19:04:49 -0400
Subject: [PATCH] Prevent long-running threads from deadlocking the program
 with only 1 CPU

* Fixes #10391
---
 src/main.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index 6c3efea9d..37eb9d710 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -19,6 +19,7 @@
 #include <QCommandLineParser>
 #include <QDir>
 #include <QFile>
+#include <QThreadPool>
 #include <QWindow>
 
 #include "cli/Utils.h"
@@ -66,6 +67,12 @@ int main(int argc, char** argv)
     Application::setApplicationVersion(KEEPASSXC_VERSION);
     app.setProperty("KPXC_QUALIFIED_APPNAME", "org.keepassxc.KeePassXC");
 
+    // HACK: Prevent long-running threads from deadlocking the program with only 1 CPU
+    // See https://github.com/keepassxreboot/keepassxc/issues/10391
+    if (QThreadPool::globalInstance()->maxThreadCount() < 2) {
+        QThreadPool::globalInstance()->setMaxThreadCount(2);
+    }
+
     QCommandLineParser parser;
     parser.setApplicationDescription(QObject::tr("KeePassXC - cross-platform password manager"));
     parser.addPositionalArgument(