cMutex.cpp

// Copyright (c) 2008-2011 Raynaldo (Wildicv) Rivera, Joshua (Dark_Kilauea) Jones, Murat (wolfmanfx) Sari
// This file is part of the "cAudio Engine"
// For conditions of distribution and use, see copyright notice in cAudio.h
 
#include "cMutex.h"
 
namespace cAudio
{
#if CAUDIO_MAKE_THREAD_SAFE == 1
        cAudioMutex::cAudioMutex() : Initialized(false)
        {
        }
 
        cAudioMutex::~cAudioMutex()
        {
                if(!Initialized)
                        return;
                #ifdef CAUDIO_PLATFORM_WIN
                DeleteCriticalSection(&criticalSection);
                #else
                pthread_mutex_destroy(&Mutex);
                #endif
        }
 
        void cAudioMutex::lock(void)
        {
                if(!Initialized)
                        initialize();
 
        #ifdef CAUDIO_PLATFORM_WIN
                EnterCriticalSection(&criticalSection);
        #else
                pthread_mutex_lock(&Mutex);
        #endif
        }
 
        void cAudioMutex::unlock(void)
        {
                if(!Initialized)
                        return;
        #ifdef CAUDIO_PLATFORM_WIN
                LeaveCriticalSection(&criticalSection);
        #else
                pthread_mutex_unlock(&Mutex);
        #endif
        }
 
        void cAudioMutex::initialize(void)
        {
        #ifdef CAUDIO_PLATFORM_WIN
                InitializeCriticalSection(&criticalSection);
        #else
                pthread_mutexattr_t attr;
                pthread_mutexattr_init(&attr);
                pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE);
                pthread_mutex_init(&Mutex, &attr);
                pthread_mutexattr_destroy(&attr);
        #endif
                Initialized=true;
        }
#endif
 
};