OMKCurrentActiveObject.cpp

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/*
 * This file is part of openMask © INRIA, CNRS, Universite de Rennes 1 1993-2002, thereinafter the Software
 * 
 * The Software has been developped within the Siames Project. 
 * INRIA, the University of Rennes 1 and CNRS jointly hold intellectual property rights
 * 
 * The Software has been registered with the Agence pour la Protection des
 * Programmes (APP) under registration number IDDN.FR.001.510008.00.S.P.2001.000.41200
 *  
 * This file may be distributed under the terms of the Q Public License
 * version 1.0 as defined by Trolltech AS of Norway and appearing in the file
 * LICENSE.QPL included in the packaging of this file.
 *
 * Licensees holding valid specific licenses issued by INRIA, CNRS or Université de Rennes 1 
 * for the software may use this file in accordance with that specific license
 *
 */
#include "OMKCurrentActiveObject.h"

#ifndef _MSC_VER
#include "pthread.h"
#endif

#include <iostream>
using namespace OMK ;
#if !defined _MSC_VER && defined _OMK_MUTEX_
pthread_key_t CurrentActiveObject::initialisePthreadKey()
{
   pthread_key_t res ;
   pthread_key_create( &res, NULL) ;
   pthread_setspecific ( res, NULL );
   return res ;
}

pthread_key_t CurrentActiveObject::threadContextKey = CurrentActiveObject::initialisePthreadKey() ;
#else
static const SimulatedObject* OMKCurrentActiveObjecto = NULL ;
#endif

CurrentActiveObject::CurrentActiveObject( const SimulatedObject * currentActiveObject )
{
#if !defined _MSC_VER && defined _OMK_MUTEX_
 _oldName = pthread_getspecific( threadContextKey ) ;
  pthread_setspecific ( threadContextKey , currentActiveObject );   
#else
  OMKCurrentActiveObjecto = currentActiveObject ;
#endif
}

CurrentActiveObject::~CurrentActiveObject()
{
#if !defined _MSC_VER && defined _OMK_MUTEX_
  pthread_setspecific ( threadContextKey , _oldName );
#endif
}


SimulatedObject *  CurrentActiveObject::getCurrentActiveObject()
{
#if !defined _MSC_VER && defined _OMK_MUTEX_
  return (SimulatedObject *) pthread_getspecific( threadContextKey ) ;
#else
  return (SimulatedObject *) OMKCurrentActiveObjecto ;
#endif
}

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