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/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: jobqueue.hxx,v $
 *
 *  $Revision: 1.6 $
 *
 *  last change: $Author: hr $ $Date: 2006-06-19 13:12:18 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    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
 *
 ************************************************************************/

#ifndef _CPPU_THREADPOOL_JOBQUEUE_HXX_
#define _CPPU_THREADPOOL_JOBQUEUE_HXX_

#include <list>

#ifndef _SAL_TYPES_H_
#include <sal/types.h>
#endif

#include <osl/conditn.h>
#include <osl/mutex.hxx>

namespace cppu_threadpool
{
    extern "C" typedef void (SAL_CALL RequestFun)(void *);

    struct Job
    {
        void *pThreadSpecificData;
        RequestFun * doRequest;
    };

    typedef ::std::list < struct Job > JobList;

    typedef ::std::list < sal_Int64 > CallStackList;

    class JobQueue
    {
    public:
        JobQueue();
        ~JobQueue();

        void add( void *pThreadSpecificData, RequestFun * doRequest );

        void *enter( sal_Int64 nDisposeId , sal_Bool bReturnWhenNoJob = sal_False );
        void dispose( sal_Int64 nDisposeId );

        void suspend();
        void resume();

        sal_Bool isEmpty();
        sal_Bool isCallstackEmpty();
        sal_Bool isBusy();

    private:
        ::osl::Mutex m_mutex;
        JobList      m_lstJob;
        CallStackList m_lstCallstack;
        sal_Int32 m_nToDo;
        sal_Bool m_bSuspended;
        oslCondition m_cndWait;
    };
}

#endif