77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 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/libraries/kernel/event_queue.h"
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namespace Libraries::Kernel {
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EqueueInternal::~EqueueInternal() = default;
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int EqueueInternal::addEvent(const EqueueEvent& event) {
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std::scoped_lock lock{m_mutex};
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ASSERT(!event.isTriggered);
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// TODO check if event is already exists and return it. Currently we just add in m_events array
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m_events.push_back(event);
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return 0;
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}
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int EqueueInternal::removeEvent(u64 id) {
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std::scoped_lock lock{m_mutex};
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const auto& event_q =
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std::ranges::find_if(m_events, [id](auto& ev) { return ev.event.ident == id; });
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ASSERT(event_q != m_events.cend());
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m_events.erase(event_q);
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return 0;
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}
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int EqueueInternal::waitForEvents(SceKernelEvent* ev, int num, u32 micros) {
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std::unique_lock lock{m_mutex};
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int ret = 0;
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const auto predicate = [&] {
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ret = getTriggeredEvents(ev, num);
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return ret > 0;
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};
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if (micros == 0) {
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m_cond.wait(lock, predicate);
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} else {
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m_cond.wait_for(lock, std::chrono::microseconds(micros), predicate);
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}
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return ret;
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}
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bool EqueueInternal::triggerEvent(u64 ident, s16 filter, void* trigger_data) {
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{
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std::scoped_lock lock{m_mutex};
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for (auto& event : m_events) {
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if (event.event.ident == ident) { // event filter?
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event.trigger(trigger_data);
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}
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}
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}
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m_cond.notify_one();
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return true;
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}
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int EqueueInternal::getTriggeredEvents(SceKernelEvent* ev, int num) {
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int ret = 0;
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for (auto& event : m_events) {
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if (event.isTriggered) {
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ev[ret++] = event.event;
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event.reset();
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}
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}
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return ret;
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}
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} // namespace Libraries::Kernel
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