jobqueue.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include <sal/config.h>
 
#include <condition_variable>
#include <deque>
#include <memory>
#include <mutex>
 
#include <sal/types.h>
 
namespace cppu_threadpool
{
    extern "C" typedef void (RequestFun)(void *);
 
    struct Job
    {
        void *pThreadSpecificData;
        RequestFun * doRequest;
    };
 
    class DisposedCallerAdmin;
    typedef std::shared_ptr<DisposedCallerAdmin> DisposedCallerAdminHolder;
 
    class JobQueue
    {
    public:
        JobQueue();
 
        void add( void *pThreadSpecificData, RequestFun * doRequest );
 
        void *enter( void const * nDisposeId , bool bReturnWhenNoJob = false );
        void dispose( void const * nDisposeId );
 
        void suspend();
        void resume();
 
        bool isEmpty() const;
        bool isCallstackEmpty() const;
        bool isBusy() const;
 
    private:
        mutable std::mutex m_mutex;
        std::deque < struct Job > m_lstJob;
        std::deque<void const *>  m_lstCallstack;
        sal_Int32 m_nToDo;
        bool m_bSuspended;
        std::condition_variable m_cndWait;
        DisposedCallerAdminHolder m_DisposedCallerAdmin;
    };
}
 
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