/home/neoflo/smb4k/SERVEUR/Millie/trunk/src/multithread/Mutex.cpp

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/******************************************************************************
 *       __    _    _   _       _       _   _____                             *
 *       | \  / |  | | | |     | |     | |  | ___|                            *
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 * __________________________________________________________________________ *
 *                 Multifunctional Library For Image Processing               *
 *                                                                            *
 *                                                                            *
 *                                                                            *
 *      (c) Copyright 2007 by Humbert Florent                                 *
 *                                                                            *
 *      This program is free software; you can redistribute it and/or modify  *
 *      it under the terms of the GNU General Public License as published by  *
 *      the Free Software Foundation; only version 2 of the License.          *
 *                                                                            *
 *      This program is distributed in the hope that it will be useful,       *
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 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *      GNU General Public License for more details.                          *
 *                                                                            *
 *      You should have received a copy of the GNU General Public License     *
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 *      02111-1307, USA.                                                      *
 ******************************************************************************/

#include <cstdio>

#include "Mutex.hpp"



using namespace Millie;


Mutex::Mutex()
{
  _isLocked = false;
  pthread_mutex_init(&_lock, NULL);

  if(pthread_mutex_init(&_mutex, NULL) != 0)
    throw MutexException("Mutex creation failed");

}

void Mutex::lock()
{

  if(pthread_mutex_lock(&_mutex) != 0)
  {
    //perror("pthread_mutex_lock");
    // throw MutexException("Mutex lock failed");
  }
}

void Mutex::unlock()
{
    if(pthread_mutex_unlock(&_mutex) != 0)
    {
      //perror("pthread_mutex_unlock");
      // throw MutexException("Mutex Unlock Failed");
    }
}

Mutex::~Mutex()
{
  pthread_mutex_destroy(&_mutex);
}


MutexLock::MutexLock(Mutex & mutex)
{
  _mutex = &mutex;
  _mutex->lock()
  ;
}

void MutexLock::unlock()
{
  _mutex->unlock();
}

MutexLock::~MutexLock()
{
  _mutex->unlock();
}

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