cppu/source/threadpool/jobqueue.hxx

   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_JOBQUEUE_HXX
  21 #define INCLUDED_CPPU_SOURCE_THREADPOOL_JOBQUEUE_HXX
  22
  23 #include <list>
  24 #include <sal/types.h>
  25
  26 #include <osl/conditn.h>
  27 #include <osl/mutex.hxx>
  28
  29 #include <boost/shared_ptr.hpp>
  30
  31 namespace cppu_threadpool
  32 {
  33     extern "C" typedef void (SAL_CALL RequestFun)(void *);
  34
  35     struct Job
  36     {
  37         void *pThreadSpecificData;
  38         RequestFun * doRequest;
  39     };
  40
  41     typedef ::std::list < struct Job > JobList;
  42
  43     typedef ::std::list < sal_Int64 > CallStackList;
  44
  45     class DisposedCallerAdmin;
  46     typedef boost::shared_ptr<DisposedCallerAdmin> DisposedCallerAdminHolder;
  47
  48     class JobQueue
  49     {
  50     public:
  51         JobQueue();
  52         ~JobQueue();
  53
  54         void add( void *pThreadSpecificData, RequestFun * doRequest );
  55
  56         void *enter( sal_Int64 nDisposeId , bool bReturnWhenNoJob = false );
  57         void dispose( sal_Int64 nDisposeId );
  58
  59         void suspend();
  60         void resume();
  61
  62         bool isEmpty() const;
  63         bool isCallstackEmpty() const;
  64         bool isBusy() const;
  65
  66     private:
  67         mutable ::osl::Mutex m_mutex;
  68         JobList      m_lstJob;
  69         CallStackList m_lstCallstack;
  70         sal_Int32 m_nToDo;
  71         bool m_bSuspended;
  72         oslCondition m_cndWait;
  73         DisposedCallerAdminHolder m_DisposedCallerAdmin;
  74     };
  75 }
  76
  77 #endif
  78
  79 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */