// -*- c++ -*-

/*
 * Jakelib2 - General purpose C++ library
 * Copyright (C) 2001 Florian Wolff  (florian@donuz.de)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * $Id: Sentry.jlc,v 1.5 2003/10/01 06:42:26 florian Exp $
 */


#include "jakelib2.h"

#ifdef JAKELIB_THREADS
#include "jakelib2/lang/Sentry.h"

using namespace jakelib::lang;


/*****************************************************************************\
 * Sentry                                                                     |
 *****************************************************************************/
Sentry::Sentry(Mutex* mutex)
{
  if (mutex == null)
    throw new NullPointerException(`"Mutex is null in 'synchronized'"`
                                   .. JAKELIB_AT2("jakelib.lang.Sentry.Sentry"));

  this->mutex = mutex;
  mutex->lock();
}


Sentry::~Sentry()
{
  mutex->unlock();
  mutex = null;
}

#endif