Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_CPPU_SOURCE_THREADPOOL_THREADPOOL_HXX
      21             : #define INCLUDED_CPPU_SOURCE_THREADPOOL_THREADPOOL_HXX
      22             : 
      23             : #include <list>
      24             : 
      25             : #include <boost/unordered_map.hpp>
      26             : 
      27             : #include <osl/conditn.h>
      28             : 
      29             : #include <rtl/byteseq.hxx>
      30             : #include <rtl/ref.hxx>
      31             : #include <salhelper/simplereferenceobject.hxx>
      32             : 
      33             : #include <boost/shared_ptr.hpp>
      34             : 
      35             : #include "jobqueue.hxx"
      36             : 
      37             : 
      38             : namespace cppu_threadpool {
      39             :     class ORequestThread;
      40             : 
      41             :     struct EqualThreadId
      42             :     {
      43     1082504 :         bool operator () ( const ::rtl::ByteSequence &a , const ::rtl::ByteSequence &b ) const
      44             :             {
      45     1082504 :                 return a == b;
      46             :             }
      47             :     };
      48             : 
      49             :     struct HashThreadId
      50             :     {
      51     1666275 :         sal_Int32 operator () ( const ::rtl::ByteSequence &a  )  const
      52             :             {
      53     1666275 :                 if( a.getLength() >= 4 )
      54             :                 {
      55     1666275 :                     return *(sal_Int32 *)a.getConstArray();
      56             :                 }
      57           0 :                 return 0;
      58             :             }
      59             :     };
      60             : 
      61             :     typedef ::boost::unordered_map
      62             :     <
      63             :         ::rtl::ByteSequence, // ThreadID
      64             :         ::std::pair < JobQueue * , JobQueue * >,
      65             :         HashThreadId,
      66             :         EqualThreadId
      67             :     > ThreadIdHashMap;
      68             : 
      69             :     typedef ::std::list < sal_Int64 > DisposedCallerList;
      70             : 
      71             : 
      72      736254 :     struct WaitingThread
      73             :     {
      74             :         oslCondition condition;
      75             :         rtl::Reference< ORequestThread > thread;
      76             :     };
      77             : 
      78             :     typedef ::std::list < struct ::cppu_threadpool::WaitingThread * > WaitingThreadList;
      79             : 
      80             :     class DisposedCallerAdmin;
      81             :     typedef boost::shared_ptr<DisposedCallerAdmin> DisposedCallerAdminHolder;
      82             : 
      83         100 :     class DisposedCallerAdmin
      84             :     {
      85             :     public:
      86             :         ~DisposedCallerAdmin();
      87             : 
      88             :         static DisposedCallerAdminHolder getInstance();
      89             : 
      90             :         void dispose( sal_Int64 nDisposeId );
      91             :         void destroy( sal_Int64 nDisposeId );
      92             :         bool isDisposed( sal_Int64 nDisposeId );
      93             : 
      94             :     private:
      95             :         ::osl::Mutex m_mutex;
      96             :         DisposedCallerList m_lst;
      97             :     };
      98             : 
      99             :     class ThreadAdmin
     100             :     {
     101             :     public:
     102             :         ThreadAdmin();
     103             :         ~ThreadAdmin ();
     104             : 
     105             :         void add( rtl::Reference< ORequestThread > const & );
     106             :         void remove( rtl::Reference< ORequestThread > const & );
     107             :         void join();
     108             : 
     109             :         void remove_locked( rtl::Reference< ORequestThread > const & );
     110             :         ::osl::Mutex m_mutex;
     111             : 
     112             :     private:
     113             :         ::std::list< rtl::Reference< ORequestThread > > m_lst;
     114             :         bool m_disposed;
     115             :     };
     116             : 
     117             :     class ThreadPool;
     118             :     typedef rtl::Reference<ThreadPool> ThreadPoolHolder;
     119             : 
     120             :     class ThreadPool: public salhelper::SimpleReferenceObject
     121             :     {
     122             :     public:
     123             :         ThreadPool();
     124             :         virtual ~ThreadPool();
     125             : 
     126             :         void dispose( sal_Int64 nDisposeId );
     127             :         void destroy( sal_Int64 nDisposeId );
     128             : 
     129             :         void addJob( const ::rtl::ByteSequence &aThreadId,
     130             :                      bool bAsynchron,
     131             :                      void *pThreadSpecificData,
     132             :                      RequestFun * doRequest );
     133             : 
     134             :         void prepare( const ::rtl::ByteSequence &aThreadId );
     135             :         void * enter( const ::rtl::ByteSequence &aThreadId, sal_Int64 nDisposeId );
     136             : 
     137             :         /********
     138             :          * @return true, if queue could be successfully revoked.
     139             :          ********/
     140             :         bool revokeQueue( const ::rtl::ByteSequence & aThreadId , bool bAsynchron );
     141             : 
     142             :         void waitInPool( rtl::Reference< ORequestThread > const & pThread );
     143             : 
     144             :         void joinWorkers();
     145             : 
     146        3334 :         ThreadAdmin & getThreadAdmin() { return m_aThreadAdmin; }
     147             : 
     148             :     private:
     149             :         void createThread( JobQueue *pQueue, const ::rtl::ByteSequence &aThreadId, bool bAsynchron);
     150             : 
     151             : 
     152             :         ThreadIdHashMap m_mapQueue;
     153             :         ::osl::Mutex m_mutex;
     154             : 
     155             :         ::osl::Mutex m_mutexWaitingThreadList;
     156             :         WaitingThreadList m_lstThreads;
     157             : 
     158             :         DisposedCallerAdminHolder m_DisposedCallerAdmin;
     159             :         ThreadAdmin m_aThreadAdmin;
     160             :     };
     161             : 
     162             : } // end namespace cppu_threadpool
     163             : 
     164             : #endif
     165             : 
     166             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */