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Merge pull request #7227 from vonchenplus/fix_memory_leak_v2
Fix memory leak v2
This commit is contained in:
commit
b118fa8698
6 changed files with 54 additions and 24 deletions
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@ -83,12 +83,6 @@ FileSys::StorageId GetStorageIdForFrontendSlot(
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}
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}
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void KProcessDeleter(Kernel::KProcess* process) {
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process->Destroy();
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}
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using KProcessPtr = std::unique_ptr<Kernel::KProcess, decltype(&KProcessDeleter)>;
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} // Anonymous namespace
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FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
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@ -261,11 +255,10 @@ struct System::Impl {
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}
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telemetry_session->AddInitialInfo(*app_loader, fs_controller, *content_provider);
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main_process = KProcessPtr{Kernel::KProcess::Create(system.Kernel()), KProcessDeleter};
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ASSERT(Kernel::KProcess::Initialize(main_process.get(), system, "main",
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auto main_process = Kernel::KProcess::Create(system.Kernel());
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ASSERT(Kernel::KProcess::Initialize(main_process, system, "main",
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Kernel::KProcess::ProcessType::Userland)
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.IsSuccess());
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main_process->Open();
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const auto [load_result, load_parameters] = app_loader->Load(*main_process, system);
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if (load_result != Loader::ResultStatus::Success) {
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LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", load_result);
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@ -275,7 +268,7 @@ struct System::Impl {
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static_cast<u32>(SystemResultStatus::ErrorLoader) + static_cast<u32>(load_result));
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}
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AddGlueRegistrationForProcess(*app_loader, *main_process);
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kernel.MakeCurrentProcess(main_process.get());
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kernel.MakeCurrentProcess(main_process);
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kernel.InitializeCores();
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// Initialize cheat engine
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@ -340,8 +333,6 @@ struct System::Impl {
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kernel.Shutdown();
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memory.Reset();
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applet_manager.ClearAll();
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// TODO: The main process should be freed based on KAutoObject ref counting.
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main_process.reset();
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LOG_DEBUG(Core, "Shutdown OK");
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}
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@ -403,7 +394,6 @@ struct System::Impl {
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std::unique_ptr<Tegra::GPU> gpu_core;
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std::unique_ptr<Hardware::InterruptManager> interrupt_manager;
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std::unique_ptr<Core::DeviceMemory> device_memory;
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KProcessPtr main_process{nullptr, KProcessDeleter};
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Core::Memory::Memory memory;
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CpuManager cpu_manager;
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std::atomic_bool is_powered_on{};
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@ -56,6 +56,7 @@ bool KHandleTable::Remove(Handle handle) {
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}
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// Close the object.
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kernel.UnregisterInUseObject(obj);
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obj->Close();
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return true;
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}
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@ -434,11 +434,6 @@ void KProcess::PrepareForTermination() {
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}
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void KProcess::Finalize() {
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// Release memory to the resource limit.
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if (resource_limit != nullptr) {
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resource_limit->Close();
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}
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// Finalize the handle table and close any open handles.
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handle_table.Finalize();
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@ -460,6 +455,12 @@ void KProcess::Finalize() {
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}
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}
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// Release memory to the resource limit.
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if (resource_limit != nullptr) {
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resource_limit->Close();
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resource_limit = nullptr;
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}
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// Perform inherited finalization.
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KAutoObjectWithSlabHeapAndContainer<KProcess, KSynchronizationObject>::Finalize();
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}
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@ -91,12 +91,6 @@ struct KernelCore::Impl {
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}
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void Shutdown() {
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// Shutdown all processes.
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if (current_process) {
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current_process->Finalize();
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current_process->Close();
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current_process = nullptr;
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}
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process_list.clear();
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// Close all open server ports.
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@ -170,6 +164,24 @@ struct KernelCore::Impl {
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// Next host thead ID to use, 0-3 IDs represent core threads, >3 represent others
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next_host_thread_id = Core::Hardware::NUM_CPU_CORES;
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// Close kernel objects that were not freed on shutdown
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{
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std::lock_guard lk(registered_in_use_objects_lock);
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if (registered_in_use_objects.size()) {
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for (auto& object : registered_in_use_objects) {
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object->Close();
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}
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registered_in_use_objects.clear();
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}
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}
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// Shutdown all processes.
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if (current_process) {
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current_process->Finalize();
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current_process->Close();
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current_process = nullptr;
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}
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// Track kernel objects that were not freed on shutdown
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{
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std::lock_guard lk(registered_objects_lock);
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@ -714,9 +726,11 @@ struct KernelCore::Impl {
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std::unordered_set<KServerPort*> server_ports;
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std::unordered_set<KServerSession*> server_sessions;
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std::unordered_set<KAutoObject*> registered_objects;
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std::unordered_set<KAutoObject*> registered_in_use_objects;
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std::mutex server_ports_lock;
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std::mutex server_sessions_lock;
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std::mutex registered_objects_lock;
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std::mutex registered_in_use_objects_lock;
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std::unique_ptr<Core::ExclusiveMonitor> exclusive_monitor;
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std::vector<Kernel::PhysicalCore> cores;
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@ -928,6 +942,16 @@ void KernelCore::UnregisterKernelObject(KAutoObject* object) {
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impl->registered_objects.erase(object);
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}
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void KernelCore::RegisterInUseObject(KAutoObject* object) {
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std::lock_guard lk(impl->registered_in_use_objects_lock);
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impl->registered_in_use_objects.insert(object);
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}
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void KernelCore::UnregisterInUseObject(KAutoObject* object) {
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std::lock_guard lk(impl->registered_in_use_objects_lock);
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impl->registered_in_use_objects.erase(object);
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}
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bool KernelCore::IsValidNamedPort(NamedPortTable::const_iterator port) const {
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return port != impl->named_ports.cend();
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}
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@ -204,6 +204,14 @@ public:
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/// destroyed during the current emulation session.
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void UnregisterKernelObject(KAutoObject* object);
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/// Registers kernel objects with guest in use state, this is purely for close
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/// after emulation has been shutdown.
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void RegisterInUseObject(KAutoObject* object);
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/// Unregisters a kernel object previously registered with RegisterInUseObject when it was
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/// destroyed during the current emulation session.
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void UnregisterInUseObject(KAutoObject* object);
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/// Determines whether or not the given port is a valid named port.
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bool IsValidNamedPort(NamedPortTable::const_iterator port) const;
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@ -427,11 +427,15 @@ static ResultCode WaitSynchronization(Core::System& system, s32* index, VAddr ha
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R_UNLESS(handle_table.GetMultipleObjects<KSynchronizationObject>(objs.data(), handles,
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num_handles),
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ResultInvalidHandle);
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for (const auto& obj : objs) {
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kernel.RegisterInUseObject(obj);
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}
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}
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// Ensure handles are closed when we're done.
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SCOPE_EXIT({
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for (u64 i = 0; i < num_handles; ++i) {
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kernel.UnregisterInUseObject(objs[i]);
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objs[i]->Close();
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}
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});
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@ -1561,6 +1565,7 @@ static ResultCode StartThread(Core::System& system, Handle thread_handle) {
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// If we succeeded, persist a reference to the thread.
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thread->Open();
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system.Kernel().RegisterInUseObject(thread.GetPointerUnsafe());
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return ResultSuccess;
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}
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@ -1576,6 +1581,7 @@ static void ExitThread(Core::System& system) {
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auto* const current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
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system.GlobalSchedulerContext().RemoveThread(current_thread);
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current_thread->Exit();
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system.Kernel().UnregisterInUseObject(current_thread);
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}
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static void ExitThread32(Core::System& system) {
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