From cb7f0c2ec367ae8b480cf9ca7b1e3df6a4d0425e Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Sat, 24 Dec 2022 17:31:34 -0500
Subject: qt: prevent reentrant shutdown

---
 src/yuzu/main.cpp | 15 +++++++++++----
 src/yuzu/main.h   |  2 +-
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 6121711e0..524650144 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -1785,9 +1785,9 @@ void GMainWindow::BootGame(const QString& filename, u64 program_id, std::size_t
     OnStartGame();
 }
 
-void GMainWindow::OnShutdownBegin() {
+bool GMainWindow::OnShutdownBegin() {
     if (!emulation_running) {
-        return;
+        return false;
     }
 
     if (ui->action_Fullscreen->isChecked()) {
@@ -1799,6 +1799,10 @@ void GMainWindow::OnShutdownBegin() {
     // Disable unlimited frame rate
     Settings::values.use_speed_limit.SetValue(true);
 
+    if (system->IsShuttingDown()) {
+        return false;
+    }
+
     system->SetShuttingDown(true);
     discord_rpc->Pause();
 
@@ -1817,6 +1821,8 @@ void GMainWindow::OnShutdownBegin() {
     ui->action_Pause->setEnabled(false);
     ui->action_Restart->setEnabled(false);
     ui->action_Stop->setEnabled(false);
+
+    return true;
 }
 
 void GMainWindow::OnShutdownBeginDialog() {
@@ -3003,8 +3009,9 @@ void GMainWindow::OnStopGame() {
         return;
     }
 
-    OnShutdownBegin();
-    OnShutdownBeginDialog();
+    if (OnShutdownBegin()) {
+        OnShutdownBeginDialog();
+    }
 }
 
 void GMainWindow::OnLoadComplete() {
diff --git a/src/yuzu/main.h b/src/yuzu/main.h
index 95220b063..db318485d 100644
--- a/src/yuzu/main.h
+++ b/src/yuzu/main.h
@@ -336,7 +336,7 @@ private slots:
     void OnReinitializeKeys(ReinitializeKeyBehavior behavior);
     void OnLanguageChanged(const QString& locale);
     void OnMouseActivity();
-    void OnShutdownBegin();
+    bool OnShutdownBegin();
     void OnShutdownBeginDialog();
     void OnEmulationStopped();
     void OnEmulationStopTimeExpired();
-- 
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