Atomic.hxx

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#ifndef _UTILS_ATOMIC_HXX_
#define _UTILS_ATOMIC_HXX_
 
#ifdef __FreeRTOS__
#include <stdint.h>
#include "FreeRTOS.h"
#include "portmacro.h"
 
class Atomic
{
public:
    void lock()
    {
        portENTER_CRITICAL();
    }
    void unlock()
    {
        portEXIT_CRITICAL();
    }
};
 
#elif defined(ESP_PLATFORM)
 
#include "freertos_includes.h"
 
class Atomic
{
public:
    void lock()
    {
        portENTER_CRITICAL_SAFE(&mux);
    }
    void unlock()
    {
        portEXIT_CRITICAL_SAFE(&mux);
    }
 
private:
    portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED;
};
 
#else
 
#include "os/OS.hxx"
 
class Atomic
{
public:
    void lock()
    {
        os_mutex_lock(&mu_);
    }
    void unlock()
    {
        os_mutex_unlock(&mu_);
    }
private:
    os_mutex_t mu_ = OS_RECURSIVE_MUTEX_INITIALIZER;
};
 
#endif
 
class AtomicHolder
{
public:
    AtomicHolder(Atomic *parent)
        : parent_(parent)
    {
        parent_->lock();
    }
    ~AtomicHolder()
    {
        parent_->unlock();
    }
 
private:
    Atomic *parent_;
};
 
#define AtomicHolder(l) int error_omitted_lock_holder_variable[-1]
 
#endif // _UTILS_LOCK_HXX_