84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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$Log: not supported by cvs2svn $
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Revision 1.4 2005/02/08 12:43:03 ponchio
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Added copyright
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****************************************************************************/
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#ifndef NXS_PRELOAD_H
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#define NXS_PRELOAD_H
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#include <assert.h>
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#include <vector>
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#include <ptypes/pasync.h>
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#include "extraction.h"
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namespace nxs {
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class NexusMt;
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class Preload: public pt::thread{
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public:
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NexusMt *mt;
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pt::mutex lock;
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pt::trigger trigger;
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std::vector<Item> queue;
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unsigned int disk; //kbytes readed from disk
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unsigned int total_disk;
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Preload(): thread(false), trigger(false, false) {}
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~Preload() {
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waitfor();
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}
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void execute();
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void post(std::vector<Item> &patches) {
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trigger.reset();
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lock.enter();
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queue.reserve(patches.size());
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for(int i = patches.size() -1; i >= 0; i--)
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queue.push_back(patches[i]);
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trigger.post();
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lock.leave();
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}
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void cleanup() {}
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};
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}
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#endif
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