forked from suyu/suyu
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Copyright 2021 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "core/hle/kernel/k_event.h"
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#include "core/hle/kernel/k_process.h"
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#include "core/hle/kernel/k_resource_limit.h"
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namespace Kernel {
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KEvent::KEvent(KernelCore& kernel_)
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: KAutoObjectWithSlabHeapAndContainer{kernel_}, readable_event{kernel_}, writable_event{
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kernel_} {}
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KEvent::~KEvent() = default;
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void KEvent::Initialize(std::string&& name_, KProcess* owner_) {
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// Increment reference count.
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// Because reference count is one on creation, this will result
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// in a reference count of two. Thus, when both readable and
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// writable events are closed this object will be destroyed.
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Open();
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// Create our sub events.
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KAutoObject::Create(std::addressof(readable_event));
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KAutoObject::Create(std::addressof(writable_event));
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// Initialize our sub sessions.
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readable_event.Initialize(this, name_ + ":Readable");
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writable_event.Initialize(this, name_ + ":Writable");
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// Set our owner process.
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owner = owner_;
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owner->Open();
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// Mark initialized.
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name = std::move(name_);
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initialized = true;
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}
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void KEvent::Finalize() {
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KAutoObjectWithSlabHeapAndContainer<KEvent, KAutoObjectWithList>::Finalize();
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}
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void KEvent::PostDestroy(uintptr_t arg) {
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// Release the event count resource the owner process holds.
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KProcess* owner = reinterpret_cast<KProcess*>(arg);
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owner->GetResourceLimit()->Release(LimitableResource::Events, 1);
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owner->Close();
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}
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} // namespace Kernel
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