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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_CPPU_SOURCE_THREADPOOL_THREADPOOL_HXX
#define INCLUDED_CPPU_SOURCE_THREADPOOL_THREADPOOL_HXX
#include <list>
#include <boost/unordered_map.hpp>
#include <osl/conditn.h>
#include <rtl/byteseq.hxx>
#include <rtl/ref.hxx>
#include <salhelper/simplereferenceobject.hxx>
#include <boost/shared_ptr.hpp>
#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 ::boost::unordered_map
<
ByteSequence, // ThreadID
::std::pair < JobQueue * , JobQueue * >,
HashThreadId,
EqualThreadId
> ThreadIdHashMap;
typedef ::std::list < sal_Int64 > DisposedCallerList;
struct WaitingThread
{
oslCondition condition;
rtl::Reference< ORequestThread > thread;
};
typedef ::std::list < struct ::cppu_threadpool::WaitingThread * > WaitingThreadList;
class DisposedCallerAdmin;
typedef boost::shared_ptr<DisposedCallerAdmin> DisposedCallerAdminHolder;
class DisposedCallerAdmin
{
public:
~DisposedCallerAdmin();
static DisposedCallerAdminHolder getInstance();
void dispose( sal_Int64 nDisposeId );
void destroy( sal_Int64 nDisposeId );
sal_Bool isDisposed( sal_Int64 nDisposeId );
private:
::osl::Mutex m_mutex;
DisposedCallerList m_lst;
};
class ThreadAdmin
{
public:
ThreadAdmin();
~ThreadAdmin ();
void add( rtl::Reference< ORequestThread > const & );
void remove( rtl::Reference< ORequestThread > const & );
void join();
void remove_locked( rtl::Reference< ORequestThread > const & );
::osl::Mutex m_mutex;
private:
::std::list< rtl::Reference< ORequestThread > > m_lst;
bool m_disposed;
};
class ThreadPool;
typedef rtl::Reference<ThreadPool> ThreadPoolHolder;
class ThreadPool: public salhelper::SimpleReferenceObject
{
public:
ThreadPool();
~ThreadPool();
void dispose( sal_Int64 nDisposeId );
void destroy( 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 successfully revoked.
********/
sal_Bool revokeQueue( const ByteSequence & aThreadId , sal_Bool bAsynchron );
void waitInPool( rtl::Reference< ORequestThread > const & pThread );
void joinWorkers();
ThreadAdmin & getThreadAdmin() { return m_aThreadAdmin; }
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;
DisposedCallerAdminHolder m_DisposedCallerAdmin;
ThreadAdmin m_aThreadAdmin;
};
} // end namespace cppu_threadpool
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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