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/* -*- C++ -*-
This file implements the InConstructionState class.
$ Author: Mirko Boehm $
$ Copyright: (C) 2005-2013 Mirko Boehm $
$ Contact: mirko@kde.org
http://www.kde.org
http://creative-destruction.me $
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
$Id: InConstructionState.cpp 30 2005-08-16 16:16:04Z mirko $
*/
#include "inconstructionstate_p.h"
#include "weaver_p.h"
#include "threadweaver.h"
namespace ThreadWeaver
{
InConstructionState::InConstructionState(QueueSignals *weaver)
: WeaverImplState(weaver)
{
}
void InConstructionState::suspend()
{
// this request is not handled in InConstruction state
}
void InConstructionState::resume()
{
// this request is not handled in InConstruction state
}
JobPointer InConstructionState::applyForWork(Thread *th, bool wasBusy)
{
Q_ASSERT(wasBusy == false);
// As long as we are in the construction state, no jobs will be given
// to the worker threads. The threads will be suspended. They will
// return from the blocked state when jobs are queued. By then, we
// should not be in InConstruction state anymore, and we hand the job
// application over to the then active state.
while (weaver()->state()->stateId() == InConstruction) {
weaver()->waitForAvailableJob(th);
}
return weaver()->applyForWork(th, wasBusy);
}
StateId InConstructionState::stateId() const
{
return InConstruction;
}
}
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