Atmosphere/libraries/libmesosphere/include/mesosphere/kern_k_interrupt_task_manager.hpp

52 lines
1.8 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <mesosphere/kern_k_interrupt_task.hpp>
namespace ams::kern {
class KThread;
class KInterruptTaskManager {
private:
class TaskQueue {
private:
KInterruptTask *m_head;
KInterruptTask *m_tail;
public:
constexpr ALWAYS_INLINE TaskQueue() : m_head(nullptr), m_tail(nullptr) { /* ... */ }
constexpr ALWAYS_INLINE KInterruptTask *GetHead() { return m_head; }
constexpr ALWAYS_INLINE bool IsEmpty() const { return m_head == nullptr; }
constexpr ALWAYS_INLINE void Clear() { m_head = nullptr; m_tail = nullptr; }
void Enqueue(KInterruptTask *task);
void Dequeue();
};
private:
TaskQueue m_task_queue;
s64 m_cpu_time;
public:
constexpr KInterruptTaskManager() : m_task_queue(), m_cpu_time(0) { /* ... */ }
constexpr ALWAYS_INLINE s64 GetCpuTime() const { return m_cpu_time; }
void EnqueueTask(KInterruptTask *task);
void DoTasks();
};
}