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Fix AchievementManager::SetBackgroundExecutionAllowed crash

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We mustn't use m_system when it is nullptr. This was causing Dolphin to
crash on Android whenever an activity was recreated or resumed while
emulation is running, which is super common.
This commit is contained in:
JosJuice 2024-07-07 11:43:43 +02:00
parent 02e1b94149
commit 95e2064099
2 changed files with 15 additions and 7 deletions
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19
Source/Core/Core/AchievementManager.cpp
View File

@ -166,7 +166,12 @@ bool AchievementManager::IsGameLoaded() const
void AchievementManager::SetBackgroundExecutionAllowed(bool allowed)
{
m_background_execution_allowed = allowed;
if (allowed && Core::GetState(*AchievementManager::GetInstance().m_system) == Core::State::Paused)
Core::System* system = m_system.load(std::memory_order_acquire);
if (!system)
return;
if (allowed && Core::GetState(*system) == Core::State::Paused)
DoIdle();
}
@ -241,7 +246,8 @@ void AchievementManager::DoFrame()
std::lock_guard lg{m_lock};
rc_client_do_frame(m_client);
}
if (!m_system)
Core::System* system = m_system.load(std::memory_order_acquire);
if (!system)
return;
auto current_time = std::chrono::steady_clock::now();
if (current_time - m_last_rp_time > std::chrono::seconds{10})
@ -279,7 +285,8 @@ void AchievementManager::DoIdle()
Common::SleepCurrentThread(1000);
{
std::lock_guard lg{m_lock};
if (!m_system || Core::GetState(*m_system) != Core::State::Paused)
Core::System* system = m_system.load(std::memory_order_acquire);
if (!system || Core::GetState(*system) != Core::State::Paused)
return;
if (!m_background_execution_allowed)
return;
@ -290,7 +297,7 @@ void AchievementManager::DoIdle()
// needs to be on host or CPU thread to access memory.
Core::QueueHostJob([this](Core::System& system) {
std::lock_guard lg{m_lock};
if (!m_system || Core::GetState(*m_system) != Core::State::Paused)
if (Core::GetState(system) != Core::State::Paused)
return;
if (!m_background_execution_allowed)
return;
@ -487,7 +494,7 @@ void AchievementManager::CloseGame()
m_queue.Cancel();
m_image_queue.Cancel();
rc_client_unload_game(m_client);
m_system = nullptr;
m_system.store(nullptr, std::memory_order_release);
if (Config::Get(Config::RA_DISCORD_PRESENCE_ENABLED))
Discord::UpdateDiscordPresence();
INFO_LOG_FMT(ACHIEVEMENTS, "Game closed.");
@ -747,7 +754,7 @@ void AchievementManager::LoadGameCallback(int result, const char* error_message,
rc_client_set_read_memory_function(instance.m_client, MemoryPeeker);
instance.m_display_welcome_message = true;
instance.FetchGameBadges();
instance.m_system = &Core::System::GetInstance();
instance.m_system.store(&Core::System::GetInstance(), std::memory_order_release);
instance.m_update_callback({.all = true});
// Set this to a value that will immediately trigger RP
instance.m_last_rp_time = std::chrono::steady_clock::now() - std::chrono::minutes{2};

3
Source/Core/Core/AchievementManager.h
View File

@ -5,6 +5,7 @@
#ifdef USE_RETRO_ACHIEVEMENTS
#include <array>
#include <atomic>
#include <chrono>
#include <ctime>
#include <functional>
@ -189,7 +190,7 @@ private:
rc_runtime_t m_runtime{};
rc_client_t* m_client{};
Core::System* m_system{};
std::atomic<Core::System*> m_system{};
bool m_is_runtime_initialized = false;
UpdateCallback m_update_callback = [](const UpdatedItems&) {};
std::unique_ptr<DiscIO::Volume> m_loading_volume;