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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/wait_object.h"
namespace Kernel {
class KernelCore;
class Timer final : public WaitObject {
public:
/**
* Creates a timer
* @param kernel The kernel instance to create the timer callback handle for.
* @param reset_type ResetType describing how to create the timer
* @param name Optional name of timer
* @return The created Timer
*/
static SharedPtr<Timer> Create(KernelCore& kernel, ResetType reset_type,
std::string name = "Unknown");
std::string GetTypeName() const override {
return "Timer";
}
std::string GetName() const override {
return name;
}
static const HandleType HANDLE_TYPE = HandleType::Timer;
HandleType GetHandleType() const override {
return HANDLE_TYPE;
}
ResetType GetResetType() const {
return reset_type;
}
u64 GetInitialDelay() const {
return initial_delay;
}
u64 GetIntervalDelay() const {
return interval_delay;
}
bool ShouldWait(Thread* thread) const override;
void Acquire(Thread* thread) override;
/**
* Starts the timer, with the specified initial delay and interval.
* @param initial Delay until the timer is first fired
* @param interval Delay until the timer is fired after the first time
*/
void Set(s64 initial, s64 interval);
void Cancel();
void Clear();
/**
* Signals the timer, waking up any waiting threads and rescheduling it
* for the next interval.
* This method should not be called from outside the timer callback handler,
* lest multiple callback events get scheduled.
*/
void Signal(int cycles_late);
private:
explicit Timer(KernelCore& kernel);
~Timer() override;
ResetType reset_type; ///< The ResetType of this timer
u64 initial_delay; ///< The delay until the timer fires for the first time
u64 interval_delay; ///< The delay until the timer fires after the first time
bool signaled; ///< Whether the timer has been signaled or not
std::string name; ///< Name of timer (optional)
/// Handle used as userdata to reference this object when inserting into the CoreTiming queue.
Handle callback_handle;
};
} // namespace Kernel
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