From c9c8537643b970c44d60961f3fefaa223a4a2362 Mon Sep 17 00:00:00 2001
From: Rodrigo Locatti <rodrigo.locatti@gmail.com>
Date: Tue, 22 Jun 2021 04:22:19 -0300
Subject: core: Make is_powered_on atomic

Fixes potential data races when shutting down.
---
 src/core/core.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/core')

diff --git a/src/core/core.cpp b/src/core/core.cpp
index c5004b7b4..e6f1aa0e7 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include <array>
+#include <atomic>
 #include <memory>
 #include <utility>
 
@@ -377,7 +378,7 @@ struct System::Impl {
     std::unique_ptr<Core::DeviceMemory> device_memory;
     Core::Memory::Memory memory;
     CpuManager cpu_manager;
-    bool is_powered_on = false;
+    std::atomic_bool is_powered_on{};
     bool exit_lock = false;
 
     Reporter reporter;
@@ -463,7 +464,7 @@ System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::st
 }
 
 bool System::IsPoweredOn() const {
-    return impl->is_powered_on;
+    return impl->is_powered_on.load(std::memory_order::relaxed);
 }
 
 void System::PrepareReschedule() {
-- 
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