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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/.
*/
#ifndef INCLUDED_SC_SOURCE_FILTER_OOX_THREADPOOL_HXX
#define INCLUDED_SC_SOURCE_FILTER_OOX_THREADPOOL_HXX
#include <sal/config.h>
#include <salhelper/thread.hxx>
#include <osl/mutex.hxx>
#include <osl/conditn.hxx>
#include <rtl/ref.hxx>
#include <vector>
class ThreadTask
{
public:
virtual ~ThreadTask() {}
virtual void doWork() = 0;
};
/// A very basic thread pool implementation
class ThreadPool
{
public:
ThreadPool( sal_Int32 nWorkers );
virtual ~ThreadPool();
void pushTask( ThreadTask *pTask /* takes ownership */ );
void waitUntilEmpty();
void waitUntilWorkersDone();
private:
class ThreadWorker;
friend class ThreadWorker;
ThreadTask *waitForWork( osl::Condition &rNewWork );
ThreadTask *popWork();
osl::Mutex maGuard;
osl::Condition maTasksEmpty;
bool mbTerminate;
std::vector< rtl::Reference< ThreadWorker > > maWorkers;
std::vector< ThreadTask * > maTasks;
};
#endif // INCLUDED_SC_SOURCE_FILTER_OOX_THREADPOOL_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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