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CPUTimeExhaustedHandler.cpp

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/*******************************************************************************
 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
 *
 * Copyright (C) 2004-2007
 * Chair of Communication Networks (ComNets)
 * Kopernikusstr. 16, D-52074 Aachen, Germany
 * phone: ++49-241-80-27910,
 * fax: ++49-241-80-22242
 * email: info@openwns.org
 * www: http://www.openwns.org
 * _____________________________________________________________________________
 *
 * openWNS is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
 *
 * openWNS 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 ******************************************************************************/

#include <WNS/simulator/CPUTimeExhaustedHandler.hpp>
#include <WNS/events/scheduler/Interface.hpp>

#include <iostream>

using namespace wns::simulator;

CPUTimeExhaustedHandler::CPUTimeExhaustedHandler(
    wns::events::scheduler::Interface* eventScheduler,
    int signum) :

    eventScheduler_(eventScheduler),
    signum_(signum),
    signalMask_()
{
    sigemptyset(&signalMask_);
    sigaddset(&signalMask_, signum_);
    assureNotNull(eventScheduler_);
}

void
CPUTimeExhaustedHandler::doCall()
{
    // block forever, we're shutting down anyway ...
    sigprocmask(SIG_BLOCK, &signalMask_, NULL);
}

void
CPUTimeExhaustedHandler::doOnProcessOneEvent()
{
    if (wasCalled_ == 1)
    {
        eventScheduler_->stop();
    }
}

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