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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: threadpool.hxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: hr $ $Date: 2006-04-19 13:49:44 $
*
* 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
*
************************************************************************/
#include <hash_map>
#include <osl/conditn.h>
#include <rtl/byteseq.hxx>
#include "rtl/ref.hxx"
#include "salhelper/simplereferenceobject.hxx"
#include "jobqueue.hxx"
using namespace ::rtl;
namespace cppu_threadpool {
class ORequestThread;
struct EqualThreadId
{
sal_Int32 operator () ( const ::rtl::ByteSequence &a , const ::rtl::ByteSequence &b ) const
{
return a == b;
}
};
struct HashThreadId
{
sal_Int32 operator () ( const ::rtl::ByteSequence &a ) const
{
if( a.getLength() >= 4 )
{
return *(sal_Int32 *)a.getConstArray();
}
return 0;
}
};
typedef ::std::hash_map
<
ByteSequence, // ThreadID
::std::pair < JobQueue * , JobQueue * >,
HashThreadId,
EqualThreadId
> ThreadIdHashMap;
typedef ::std::list < sal_Int64 > DisposedCallerList;
struct WaitingThread
{
oslCondition condition;
ORequestThread *thread;
};
typedef ::std::list < struct ::cppu_threadpool::WaitingThread * > WaitingThreadList;
class DisposedCallerAdmin
{
public:
~DisposedCallerAdmin();
void dispose( sal_Int64 nDisposeId );
void stopDisposing( sal_Int64 nDisposeId );
sal_Bool isDisposed( sal_Int64 nDisposeId );
private:
::osl::Mutex m_mutex;
DisposedCallerList m_lst;
};
class ThreadPool: public salhelper::SimpleReferenceObject
{
public:
ThreadPool();
void dispose( sal_Int64 nDisposeId );
void stopDisposing( sal_Int64 nDisposeId );
void addJob( const ByteSequence &aThreadId,
sal_Bool bAsynchron,
void *pThreadSpecificData,
void ( SAL_CALL * doRequest ) ( void * ) );
void prepare( const ByteSequence &aThreadId );
void * enter( const ByteSequence &aThreadId, sal_Int64 nDisposeId );
/********
* @return true, if queue could be succesfully revoked.
********/
sal_Bool revokeQueue( const ByteSequence & aThreadId , sal_Bool bAsynchron );
void waitInPool( ORequestThread *pThread );
DisposedCallerAdmin m_disposedCallerAdmin;
private:
~ThreadPool();
void createThread( JobQueue *pQueue, const ByteSequence &aThreadId, sal_Bool bAsynchron);
ThreadIdHashMap m_mapQueue;
::osl::Mutex m_mutex;
::osl::Mutex m_mutexWaitingThreadList;
WaitingThreadList m_lstThreads;
};
} // end namespace cppu_threadpool
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