eventflag.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 "mark3cfg.h"
#include "kernel.h"
#include "kerneltypes.h"
#include "blocking.h"
#include "thread.h"

#if KERNEL_EVENT_FLAGS
namespace Mark3
{
//---------------------------------------------------------------------------
class EventFlag : public BlockingObject
{
public:
    void* operator new(size_t sz, void* pv) { return reinterpret_cast<EventFlag*>(pv); };
    ~EventFlag();

    void Init();

    uint16_t Wait(uint16_t u16Mask_, EventFlagOperation eMode_);

    uint16_t Wait(uint16_t u16Mask_, EventFlagOperation eMode_, uint32_t u32TimeMS_);

    void WakeMe(Thread* pclChosenOne_);

    void Set(uint16_t u16Mask_);

    void Clear(uint16_t u16Mask_);

    uint16_t GetMask();

private:
    uint16_t Wait_i(uint16_t u16Mask_, EventFlagOperation eMode_, uint32_t u32TimeMS_);

    uint16_t m_u16SetMask; 
};
} // namespace Mark3
#endif // #if KERNEL_EVENT_FLAGS