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70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/* -*- C++ -*-
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This file implements the InConstructionState class.
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$ Author: Mirko Boehm $
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$ Copyright: (C) 2005-2013 Mirko Boehm $
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$ Contact: mirko@kde.org
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http://www.kde.org
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http://creative-destruction.me $
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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$Id: InConstructionState.cpp 30 2005-08-16 16:16:04Z mirko $
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*/
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#include "InConstructionState.h"
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#include "WeaverImpl.h"
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#include "ThreadWeaver.h"
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namespace ThreadWeaver {
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void InConstructionState::suspend()
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{
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// this request is not handled in InConstruction state
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}
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void InConstructionState::resume()
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{
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// this request is not handled in InConstruction state
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}
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Job* InConstructionState::applyForWork ( Thread *th, Job *previous)
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{
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// As long as we are in the construction state, no jobs will be given
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// to the worker threads. The threads will be suspended. They will
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// return from the blocked state when jobs are queued. By then, we
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// should not be in InConstruction state anymore, and we hand the job
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// application over to the then active state.
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while ( weaver()->state().stateId() == InConstruction )
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{
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weaver()->waitForAvailableJob ( th);
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}
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return weaver()->applyForWork ( th, previous );
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}
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void InConstructionState::waitForAvailableJob ( Thread * th)
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{
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weaver()->blockThreadUntilJobsAreBeingAssigned ( th );
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}
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StateId InConstructionState::stateId() const
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{
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return InConstruction;
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}
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}
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