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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: threadpool.hxx,v $
* $Revision: 1.6 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <hash_map>
#include <osl/conditn.h>
#include <rtl/byteseq.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();
static DisposedCallerAdmin *getInstance();
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:
~ThreadPool();
static ThreadPool *getInstance();
void dispose( sal_Int64 nDisposeId );
void stopDisposing( sal_Int64 nDisposeId );
void addJob( const ByteSequence &aThreadId,
sal_Bool bAsynchron,
void *pThreadSpecificData,
RequestFun * doRequest );
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 );
private:
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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