scheduler.h

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/*===========================================================================
     _____        _____        _____        _____
 ___|    _|__  __|_    |__  __|__   |__  __| __  |__  ______
|    \  /  | ||    \      ||     |     ||  |/ /     ||___   |
|     \/   | ||     \     ||     \     ||     \     ||___   |
|__/\__/|__|_||__|\__\  __||__|\__\  __||__|\__\  __||______|
    |_____|      |_____|      |_____|      |_____|

--[Mark3 Realtime Platform]--------------------------------------------------

Copyright (c) 2012 - 2019 m0slevin, all rights reserved.
See license.txt for more information
=========================================================================== */
#pragma once

#include "kerneltypes.h"
#include "thread.h"
#include "ithreadport.h"
#include "priomap.h"

extern Mark3::Thread* g_pclNext;
extern Mark3::Thread* g_pclCurrent;

namespace Mark3
{
//---------------------------------------------------------------------------
class Scheduler
{
public:
    static void Init();

    static void Schedule();

    static void Add(Thread* pclThread_);

    static void Remove(Thread* pclThread_);

    static bool SetScheduler(bool bEnable_);

    static Thread* GetCurrentThread() { return g_pclCurrent; }
    static volatile Thread* GetNextThread() { return g_pclNext; }
    static ThreadList* GetThreadList(PORT_PRIO_TYPE uXPriority_) { return &m_aclPriorities[uXPriority_]; }
    static ThreadList* GetStopList() { return &m_clStopList; }
    static bool IsEnabled() { return m_bEnabled; }
    static void QueueScheduler() { m_bQueuedSchedule = true; }

private:
    static constexpr auto m_uNumPriorities = size_t { KERNEL_NUM_PRIORITIES };

    static bool m_bEnabled;

    static bool m_bQueuedSchedule;

    static ThreadList m_clStopList;

    static ThreadList m_aclPriorities[m_uNumPriorities];

    static PriorityMap m_clPrioMap;
};
} // namespace Mark3