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PsnCondition.cxx

Go to the documentation of this file.

/*
 * 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 "PsnCondition.h"

#include "PsnMutexLock.h"
#include "PsController.h"



PsnCondition::PsnCondition() {
#ifdef NDEBUG   
   int ret=
#endif
      pthread_cond_init( &_myCondition , NULL );
#ifdef NDEBUG
   if(ret) {
      PsController::error("PsnCondition::PsnCondition initialisation failed");
   }   
#endif
}



PsnCondition::~PsnCondition() {
  pthread_cond_destroy( &_myCondition );
}



void PsnCondition::signalChange () {
#ifdef _DEBUGLOCK
   cerr<<"PsnCondition::signalChange ()"<<endl;
#endif
#ifdef NDEBUG   
   int ret=
#endif
      pthread_cond_signal(&_myCondition);
#ifdef NDEBUG
   if(ret) {
      PsController::error("PsnCondition::conditionChanged () failed");
   }
#endif 
}



void PsnCondition::waitForChange ( PsnMutexLock & associatedLock ) {
#ifdef _DEBUGLOCK
   cerr<<"PsnCondition::waitForChange waiting"<<endl;
#endif
#ifdef NDEBUG   
   int ret=
#endif
      pthread_cond_wait(&_myCondition,&associatedLock.mutex);
#ifdef NDEBUG
   if(ret) {
      PsController::error("PsnCondition::waitForChange failed");
    }
#endif
#ifdef _DEBUGLOCK
   cerr<<"PsnCondition::waitForChange change happened"<<endl;
#endif
}

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