mirror of https://github.com/yuzu-emu/yuzu.git
70 lines
1.5 KiB
C++
70 lines
1.5 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 "common/assert.h"
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#include "core/hle/kernel/k_event.h"
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#include "core/hle/kernel/k_readable_event.h"
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#include "core/hle/kernel/k_scheduler.h"
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#include "core/hle/kernel/k_thread.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/svc_results.h"
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namespace Kernel {
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KReadableEvent::KReadableEvent(KernelCore& kernel) : KSynchronizationObject{kernel} {}
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KReadableEvent::~KReadableEvent() = default;
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void KReadableEvent::Initialize(KEvent* parent) {
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m_is_signaled = false;
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m_parent = parent;
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if (m_parent != nullptr) {
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m_parent->Open();
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}
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}
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bool KReadableEvent::IsSignaled() const {
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ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(m_kernel));
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return m_is_signaled;
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}
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void KReadableEvent::Destroy() {
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if (m_parent) {
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{
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KScopedSchedulerLock sl{m_kernel};
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m_parent->OnReadableEventDestroyed();
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}
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m_parent->Close();
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}
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}
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Result KReadableEvent::Signal() {
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KScopedSchedulerLock lk{m_kernel};
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if (!m_is_signaled) {
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m_is_signaled = true;
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this->NotifyAvailable();
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}
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R_SUCCEED();
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}
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Result KReadableEvent::Clear() {
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this->Reset();
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R_SUCCEED();
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}
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Result KReadableEvent::Reset() {
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KScopedSchedulerLock lk{m_kernel};
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R_UNLESS(m_is_signaled, ResultInvalidState);
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m_is_signaled = false;
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R_SUCCEED();
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}
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} // namespace Kernel
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