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

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