mirror of https://github.com/yuzu-emu/yuzu.git
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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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}, m_readable_event{kernel} {}
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KEvent::~KEvent() = default;
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void KEvent::Initialize(KProcess* owner) {
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// Create our readable event.
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KAutoObject::Create(std::addressof(m_readable_event));
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// Initialize our readable event.
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m_readable_event.Initialize(this);
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// Set our owner process.
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// HACK: this should never be nullptr, but service threads don't have a
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// proper parent process yet.
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if (owner != nullptr) {
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m_owner = owner;
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m_owner->Open();
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}
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// Mark initialized.
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m_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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Result KEvent::Signal() {
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KScopedSchedulerLock sl{m_kernel};
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R_SUCCEED_IF(m_readable_event_destroyed);
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return m_readable_event.Signal();
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}
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Result KEvent::Clear() {
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KScopedSchedulerLock sl{m_kernel};
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R_SUCCEED_IF(m_readable_event_destroyed);
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return m_readable_event.Clear();
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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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if (owner != nullptr) {
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owner->GetResourceLimit()->Release(LimitableResource::EventCountMax, 1);
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owner->Close();
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}
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}
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} // namespace Kernel
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