yuzu/src/core/hle/kernel/event.cpp

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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
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#include "common/assert.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/thread.h"
namespace Kernel {
Event::Event(KernelCore& kernel) : WaitObject{kernel} {}
Event::~Event() = default;
SharedPtr<Event> Event::Create(KernelCore& kernel, ResetType reset_type, std::string name) {
SharedPtr<Event> evt(new Event(kernel));
evt->signaled = false;
evt->reset_type = reset_type;
evt->name = std::move(name);
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return evt;
}
bool Event::ShouldWait(Thread* thread) const {
return !signaled;
}
void Event::Acquire(Thread* thread) {
ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
if (reset_type == ResetType::OneShot)
signaled = false;
}
void Event::Signal() {
signaled = true;
WakeupAllWaitingThreads();
}
void Event::Clear() {
signaled = false;
}
void Event::WakeupAllWaitingThreads() {
WaitObject::WakeupAllWaitingThreads();
if (reset_type == ResetType::Pulse)
signaled = false;
}
} // namespace Kernel