Fix memory leak
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3c8c17be4d
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a8b0104923
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@ -56,6 +56,7 @@ bool KHandleTable::Remove(Handle handle) {
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}
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}
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// Close the object.
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// Close the object.
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kernel.UnregisterInUseObject(obj);
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obj->Close();
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obj->Close();
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return true;
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return true;
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}
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}
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@ -170,6 +170,17 @@ 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 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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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 thread : registered_in_use_objects) {
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thread->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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// Track kernel objects that were not freed on shutdown
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// Track kernel objects that were not freed on shutdown
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{
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{
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std::lock_guard lk(registered_objects_lock);
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std::lock_guard lk(registered_objects_lock);
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@ -714,9 +725,11 @@ struct KernelCore::Impl {
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std::unordered_set<KServerPort*> server_ports;
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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<KServerSession*> server_sessions;
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std::unordered_set<KAutoObject*> registered_objects;
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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_ports_lock;
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std::mutex server_sessions_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_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::unique_ptr<Core::ExclusiveMonitor> exclusive_monitor;
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std::vector<Kernel::PhysicalCore> cores;
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std::vector<Kernel::PhysicalCore> cores;
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@ -928,6 +941,16 @@ void KernelCore::UnregisterKernelObject(KAutoObject* object) {
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impl->registered_objects.erase(object);
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impl->registered_objects.erase(object);
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}
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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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bool KernelCore::IsValidNamedPort(NamedPortTable::const_iterator port) const {
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return port != impl->named_ports.cend();
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return port != impl->named_ports.cend();
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}
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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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/// destroyed during the current emulation session.
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void UnregisterKernelObject(KAutoObject* object);
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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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/// 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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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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R_UNLESS(handle_table.GetMultipleObjects<KSynchronizationObject>(objs.data(), handles,
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num_handles),
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num_handles),
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ResultInvalidHandle);
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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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}
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// Ensure handles are closed when we're done.
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// Ensure handles are closed when we're done.
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SCOPE_EXIT({
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SCOPE_EXIT({
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for (u64 i = 0; i < num_handles; ++i) {
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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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objs[i]->Close();
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}
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}
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});
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});
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@ -1544,6 +1548,7 @@ 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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// If we succeeded, persist a reference to the thread.
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thread->Open();
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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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return ResultSuccess;
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}
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}
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@ -1559,6 +1564,7 @@ static void ExitThread(Core::System& system) {
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auto* const current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
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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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system.GlobalSchedulerContext().RemoveThread(current_thread);
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current_thread->Exit();
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current_thread->Exit();
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system.Kernel().UnregisterInUseObject(current_thread);
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}
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}
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static void ExitThread32(Core::System& system) {
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static void ExitThread32(Core::System& system) {
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