57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include "core/hle/kernel/object.h"
|
|
#include "core/hle/kernel/synchronization_object.h"
|
|
|
|
union ResultCode;
|
|
|
|
namespace Kernel {
|
|
|
|
class KernelCore;
|
|
class WritableEvent;
|
|
|
|
class ReadableEvent final : public SynchronizationObject {
|
|
friend class WritableEvent;
|
|
|
|
public:
|
|
~ReadableEvent() override;
|
|
|
|
std::string GetTypeName() const override {
|
|
return "ReadableEvent";
|
|
}
|
|
std::string GetName() const override {
|
|
return name;
|
|
}
|
|
|
|
static constexpr HandleType HANDLE_TYPE = HandleType::ReadableEvent;
|
|
HandleType GetHandleType() const override {
|
|
return HANDLE_TYPE;
|
|
}
|
|
|
|
bool ShouldWait(const Thread* thread) const override;
|
|
void Acquire(Thread* thread) override;
|
|
|
|
/// Unconditionally clears the readable event's state.
|
|
void Clear();
|
|
|
|
/// Clears the readable event's state if and only if it
|
|
/// has already been signaled.
|
|
///
|
|
/// @pre The event must be in a signaled state. If this event
|
|
/// is in an unsignaled state and this function is called,
|
|
/// then ERR_INVALID_STATE will be returned.
|
|
ResultCode Reset();
|
|
|
|
void Signal() override;
|
|
|
|
private:
|
|
explicit ReadableEvent(KernelCore& kernel);
|
|
|
|
std::string name; ///< Name of event (optional)
|
|
};
|
|
|
|
} // namespace Kernel
|