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src
core
common
WConditionOneShot.cpp
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//---------------------------------------------------------------------------
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//
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// Project: OpenWalnut ( http://www.openwalnut.org )
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//
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// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
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// For more information see http://www.openwalnut.org/copying
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//
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// This file is part of OpenWalnut.
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//
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// OpenWalnut is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// OpenWalnut 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
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//
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//---------------------------------------------------------------------------
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#include "WConditionOneShot.h"
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WConditionOneShot::WConditionOneShot
()
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:
WCondition
()
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{
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// initialize members
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m_lock
= boost::unique_lock<boost::shared_mutex>(
m_mutex
);
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}
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WConditionOneShot::~WConditionOneShot
()
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{
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// win crashes here sometimes
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#ifndef _MSC_VER
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// cleanup
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try
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{
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m_lock
.unlock();
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}
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catch
(
const
boost::lock_error &e )
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{
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// ignore this particular error since it is thrown when the lock is not locked anymore
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}
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#endif
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}
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void
WConditionOneShot::wait
()
const
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{
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// now we wait until the write lock is released and we can get a read lock
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boost::shared_lock<boost::shared_mutex> slock = boost::shared_lock<boost::shared_mutex>(
m_mutex
);
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slock.unlock();
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}
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void
WConditionOneShot::notify
()
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{
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try
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{
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m_lock
.unlock();
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}
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catch
(
const
boost::lock_error &e )
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{
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// ignore this particular error since it is thrown when the lock is not locked anymore
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// because the notify was called multiple times
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}
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WCondition::notify
();
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}
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