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// Copyright 2021 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/kernel/process.h"
namespace Kernel {
KEvent::KEvent(KernelCore& kernel) : KAutoObjectWithSlabHeapAndContainer{kernel} {}
KEvent::~KEvent() = default;
void KEvent::Initialize(std::string&& name_) {
// 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.
readable_event = std::make_shared<KReadableEvent>(kernel, name_ + ":Readable");
writable_event = std::make_shared<KWritableEvent>(kernel, name_ + ":Writable");
// Initialize our sub sessions.
readable_event->Initialize(this);
writable_event->Initialize(this);
// Set our owner process.
owner = kernel.CurrentProcess();
if (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.
Process* owner = reinterpret_cast<Process*>(arg);
if (owner) {
owner->GetResourceLimit()->Release(LimitableResource::Events, 1);
owner->Close();
}
}
} // namespace Kernel
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