hle: kernel: k_light_lock: Implement CancelWait.
- Fixes a crash in Megadimension Neptunia VII.
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@ -16,10 +16,15 @@ class ThreadQueueImplForKLightLock final : public KThreadQueue {
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public:
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explicit ThreadQueueImplForKLightLock(KernelCore& kernel_) : KThreadQueue(kernel_) {}
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virtual void CancelWait([[maybe_unused]] KThread* waiting_thread,
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[[maybe_unused]] ResultCode wait_result,
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[[maybe_unused]] bool cancel_timer_task) override {
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// Do nothing, waiting to acquire a light lock cannot be canceled.
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virtual void CancelWait(KThread* waiting_thread, ResultCode wait_result,
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bool cancel_timer_task) override {
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// Remove the thread as a waiter from its owner.
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if (KThread* owner = waiting_thread->GetLockOwner(); owner != nullptr) {
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owner->RemoveWaiter(waiting_thread);
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}
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// Invoke the base cancel wait handler.
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KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task);
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}
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};
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@ -64,7 +69,7 @@ bool KLightLock::LockSlowPath(uintptr_t _owner, uintptr_t _cur_thread) {
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}
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// Add the current thread as a waiter on the owner.
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KThread* owner_thread = reinterpret_cast<KThread*>(_owner & ~1ul);
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KThread* owner_thread = reinterpret_cast<KThread*>(_owner & ~1ULL);
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cur_thread->SetAddressKey(reinterpret_cast<uintptr_t>(std::addressof(tag)));
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owner_thread->AddWaiter(cur_thread);
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