suyu/src/core/hle/kernel/k_event.cpp

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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
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#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_resource_limit.h"
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namespace Kernel {
KEvent::KEvent(KernelCore& kernel_)
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: KAutoObjectWithSlabHeapAndContainer{kernel_}, m_readable_event{kernel_} {}
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KEvent::~KEvent() = default;
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void KEvent::Initialize(KProcess* owner) {
// Create our readable event.
KAutoObject::Create(std::addressof(m_readable_event));
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// Initialize our readable event.
m_readable_event.Initialize(this);
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// Set our owner process.
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m_owner = owner;
m_owner->Open();
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// Mark initialized.
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m_initialized = true;
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}
void KEvent::Finalize() {
KAutoObjectWithSlabHeapAndContainer<KEvent, KAutoObjectWithList>::Finalize();
}
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Result KEvent::Signal() {
KScopedSchedulerLock sl{kernel};
R_SUCCEED_IF(m_readable_event_destroyed);
return m_readable_event.Signal();
}
Result KEvent::Clear() {
KScopedSchedulerLock sl{kernel};
R_SUCCEED_IF(m_readable_event_destroyed);
return m_readable_event.Clear();
}
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();
}
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} // namespace Kernel