162 lines
4.6 KiB
C++
162 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <mutex>
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#include <vector>
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#include <unordered_map>
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#include <osl/conditn.hxx>
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#include <osl/mutex.hxx>
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#include <rtl/byteseq.hxx>
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#include <rtl/ref.hxx>
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#include <salhelper/simplereferenceobject.hxx>
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#include "jobqueue.hxx"
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namespace cppu_threadpool {
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class ORequestThread;
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struct EqualThreadId
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{
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bool operator () ( const ::rtl::ByteSequence &a , const ::rtl::ByteSequence &b ) const
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{
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return a == b;
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}
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};
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struct HashThreadId
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{
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sal_Int32 operator () ( const ::rtl::ByteSequence &a ) const
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{
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if( a.getLength() >= 4 )
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{
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return *reinterpret_cast<sal_Int32 const *>(a.getConstArray());
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}
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return 0;
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}
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};
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typedef std::unordered_map
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<
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::rtl::ByteSequence, // ThreadID
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std::pair < JobQueue * , JobQueue * >,
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HashThreadId,
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EqualThreadId
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> ThreadIdHashMap;
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struct WaitingThread
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{
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osl::Condition condition;
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rtl::Reference< ORequestThread > thread;
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explicit WaitingThread(
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rtl::Reference<ORequestThread> theThread);
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};
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typedef std::deque< struct ::cppu_threadpool::WaitingThread * > WaitingThreadDeque;
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class DisposedCallerAdmin;
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typedef std::shared_ptr<DisposedCallerAdmin> DisposedCallerAdminHolder;
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class DisposedCallerAdmin
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{
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public:
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~DisposedCallerAdmin();
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static DisposedCallerAdminHolder const & getInstance();
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void dispose( void const * nDisposeId );
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void destroy( void const * nDisposeId );
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bool isDisposed( void const * nDisposeId );
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private:
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std::mutex m_mutex;
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std::vector< void const * > m_vector;
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};
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class ThreadAdmin
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{
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public:
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ThreadAdmin();
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~ThreadAdmin ();
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void remove( rtl::Reference< ORequestThread > const & );
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void join();
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bool add_locked( rtl::Reference< ORequestThread > const & );
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void remove_locked( rtl::Reference< ORequestThread > const & );
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std::mutex m_mutex;
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private:
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std::deque< rtl::Reference< ORequestThread > > m_deque;
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bool m_disposed;
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};
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class ThreadPool;
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typedef rtl::Reference<ThreadPool> ThreadPoolHolder;
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class ThreadPool: public salhelper::SimpleReferenceObject
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{
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public:
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ThreadPool();
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virtual ~ThreadPool() override;
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void dispose( void const * nDisposeId );
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void destroy( void const * nDisposeId );
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bool addJob( const ::rtl::ByteSequence &aThreadId,
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bool bAsynchron,
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void *pThreadSpecificData,
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RequestFun * doRequest,
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void const * disposeId );
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void prepare( const ::rtl::ByteSequence &aThreadId );
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void * enter( const ::rtl::ByteSequence &aThreadId, void const * nDisposeId );
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/********
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* @return true, if queue could be successfully revoked.
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********/
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bool revokeQueue( const ::rtl::ByteSequence & aThreadId , bool bAsynchron );
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void waitInPool( rtl::Reference< ORequestThread > const & pThread );
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void joinWorkers();
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ThreadAdmin & getThreadAdmin() { return m_aThreadAdmin; }
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private:
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bool createThread( JobQueue *pQueue, const ::rtl::ByteSequence &aThreadId, bool bAsynchron);
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ThreadIdHashMap m_mapQueue;
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std::mutex m_mutex;
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std::mutex m_mutexWaitingThreadList;
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WaitingThreadDeque m_dequeThreads;
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DisposedCallerAdminHolder m_DisposedCallerAdmin;
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ThreadAdmin m_aThreadAdmin;
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};
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} // end namespace cppu_threadpool
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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