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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_resource_limit.h"
namespace Kernel {
KEvent::KEvent(KernelCore& kernel_)
: KAutoObjectWithSlabHeapAndContainer{kernel_}, readable_event{kernel_}, writable_event{
kernel_} {}
KEvent::~KEvent() = default;
void KEvent::Initialize(std::string&& name_, KProcess* owner_) {
// Increment reference count.
// Because reference count is one on creation, this will result
// in a reference count of two. Thus, when both readable and
// writable events are closed this object will be destroyed.
Open();
// Create our sub events.
KAutoObject::Create(std::addressof(readable_event));
KAutoObject::Create(std::addressof(writable_event));
// Initialize our sub sessions.
readable_event.Initialize(this, name_ + ":Readable");
writable_event.Initialize(this, name_ + ":Writable");
// Set our owner process.
owner = owner_;
owner->Open();
// Mark initialized.
name = std::move(name_);
initialized = true;
}
void KEvent::Finalize() {
KAutoObjectWithSlabHeapAndContainer<KEvent, KAutoObjectWithList>::Finalize();
}
void KEvent::PostDestroy(uintptr_t arg) {
// Release the event count resource the owner process holds.
KProcess* owner = reinterpret_cast<KProcess*>(arg);
owner->GetResourceLimit()->Release(LimitableResource::Events, 1);
owner->Close();
}
} // namespace Kernel
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