SpinLock.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "Types.h"
#include <pthread.h>

namespace Eegeo
{
    class SpinLock
    {
        pthread_mutex_t m_lock;
        
    public:
        SpinLock        ()  { pthread_mutex_init(&m_lock, 0); }
        ~SpinLock       ()  { pthread_mutex_destroy(&m_lock); }
        void    Lock    ();
        void    Unlock  ();
    };
    
    class SpinLockAutoLock
    {
        SpinLock&       m_spinLock;
    public:
        SpinLockAutoLock( SpinLock& lock ) : m_spinLock(lock)
        {
            m_spinLock.Lock();
        }
        
        ~SpinLockAutoLock()
        {
            m_spinLock.Unlock();
        }
    };
}

inline void Eegeo::SpinLock::Lock()
{
    pthread_mutex_lock(&m_lock);
}

inline void Eegeo::SpinLock::Unlock()
{
    pthread_mutex_unlock(&m_lock);
}