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