stk_sync_cs.h

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/*
 * SuperTinyKernel(TM) RTOS: Lightweight High-Performance Deterministic C++ RTOS for Embedded Systems.
 *
 * Source: https://github.com/SuperTinyKernel-RTOS
 *
 * Copyright (c) 2022-2026 Neutron Code Limited <stk@neutroncode.com>. All Rights Reserved.
 * License: MIT License, see LICENSE for a full text.
 */
 
#ifndef STK_SYNC_CS_H_
#define STK_SYNC_CS_H_
 
#include "stk_helper.h"

 
namespace stk {
namespace sync {

class ScopedCriticalSection final : public IMutex
{
    friend class Event;
    friend class EventFlags;
    friend class Mutex;
    friend class RWMutex;
    friend class Semaphore;
    friend class Pipe;
    template <typename T, size_t N> friend class PipeT;
 
public:
    explicit ScopedCriticalSection() : m_ses(hw::CriticalSection::DEFAULT_SESSION)
    {
        Lock();
    }

    STK_VIRT_DTOR ~ScopedCriticalSection()
    {
        Unlock();
    }
 
private:
    STK_NONCOPYABLE_CLASS(ScopedCriticalSection);
 
    void Lock() override
    {
        m_ses = hw::CriticalSection::Enter(m_ses);
    }
 
    void Unlock() override
    {
        hw::CriticalSection::Exit(m_ses);
    }
 
    hw::CriticalSection::Session m_ses; 
};
 
} // namespace sync
} // namespace stk
 
#endif /* STK_SYNC_CS_H_ */