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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 <boost/serialization/export.hpp>
#include "common/common_types.h"
#include "core/core_timing.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/wait_object.h"
namespace Core {
class Timing;
}
namespace Kernel {
class TimerManager {
public:
TimerManager(Core::Timing& timing);
private:
/// The timer callback event, called when a timer is fired
void TimerCallback(u64 callback_id, s64 cycles_late);
Core::Timing& timing;
/// The event type of the generic timer callback event
Core::TimingEventType* timer_callback_event_type = nullptr;
u64 next_timer_callback_id = 0;
std::unordered_map<u64, Timer*> timer_callback_table;
friend class Timer;
friend class KernelSystem;
friend class boost::serialization::access;
template <class Archive>
void serialize(Archive& ar, const unsigned int);
};
class ResourceLimit;
class Timer final : public WaitObject {
public:
explicit Timer(KernelSystem& kernel);
~Timer() override;
std::string GetTypeName() const override {
return "Timer";
}
std::string GetName() const override {
return name;
}
static constexpr 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(const Thread* thread) const override;
void Acquire(Thread* thread) override;
void WakeupAllWaitingThreads() 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(s64 cycles_late);
std::shared_ptr<ResourceLimit> resource_limit;
private:
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)
/// ID used as userdata to reference this object when inserting into the CoreTiming queue.
u64 callback_id;
KernelSystem& kernel;
TimerManager& timer_manager;
friend class KernelSystem;
friend class boost::serialization::access;
template <class Archive>
void serialize(Archive& ar, const unsigned int);
};
} // namespace Kernel
BOOST_CLASS_EXPORT_KEY(Kernel::Timer)
CONSTRUCT_KERNEL_OBJECT(Kernel::Timer)
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