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Merge pull request #7359 from heinermann/kthread_crash

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Fix crash on exit due to static scoped dummy threads
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bunnei 2021-11-20 23:59:58 -08:00 committed by GitHub
commit ba5210675a
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1 changed files with 14 additions and 8 deletions
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22
src/core/hle/kernel/kernel.cpp
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@ -300,15 +300,16 @@ struct KernelCore::Impl {
// Gets the dummy KThread for the caller, allocating a new one if this is the first time
KThread* GetHostDummyThread() {
auto make_thread = [this]() {
std::unique_ptr<KThread> thread = std::make_unique<KThread>(system.Kernel());
std::lock_guard lk(dummy_thread_lock);
auto& thread = dummy_threads.emplace_back(std::make_unique<KThread>(system.Kernel()));
KAutoObject::Create(thread.get());
ASSERT(KThread::InitializeDummyThread(thread.get()).IsSuccess());
thread->SetName(fmt::format("DummyThread:{}", GetHostThreadId()));
return thread;
return thread.get();
};
thread_local auto thread = make_thread();
return thread.get();
thread_local KThread* saved_thread = make_thread();
return saved_thread;
}
/// Registers a CPU core thread by allocating a host thread ID for it
@ -695,6 +696,12 @@ struct KernelCore::Impl {
return port;
}
std::mutex server_ports_lock;
std::mutex server_sessions_lock;
std::mutex registered_objects_lock;
std::mutex registered_in_use_objects_lock;
std::mutex dummy_thread_lock;
std::atomic<u32> next_object_id{0};
std::atomic<u64> next_kernel_process_id{KProcess::InitialKIPIDMin};
std::atomic<u64> next_user_process_id{KProcess::ProcessIDMin};
@ -725,10 +732,6 @@ struct KernelCore::Impl {
std::unordered_set<KServerSession*> server_sessions;
std::unordered_set<KAutoObject*> registered_objects;
std::unordered_set<KAutoObject*> registered_in_use_objects;
std::mutex server_ports_lock;
std::mutex server_sessions_lock;
std::mutex registered_objects_lock;
std::mutex registered_in_use_objects_lock;
std::unique_ptr<Core::ExclusiveMonitor> exclusive_monitor;
std::vector<Kernel::PhysicalCore> cores;
@ -753,6 +756,9 @@ struct KernelCore::Impl {
std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES> interrupts{};
std::array<std::unique_ptr<Kernel::KScheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{};
// Specifically tracked to be automatically destroyed with kernel
std::vector<std::unique_ptr<KThread>> dummy_threads;
bool is_multicore{};
bool is_phantom_mode_for_singlecore{};
u32 single_core_thread_id{};