StopStrategy.cpp

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/*
 * This file is part of ArmarX.
 *
 * Copyright (C) 2011-2016, High Performance Humanoid Technologies (H2T), Karlsruhe Institute of Technology (KIT), all rights reserved.
 *
 * ArmarX is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * ArmarX 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * @package    ArmarXCore::core
 * @author     Cedric Seehausen
 * @date       2016
 * @copyright  http://www.gnu.org/licenses/gpl-2.0.txt
 *             GNU General Public License
 */
 
 
#include "StopStrategy.h"
 
#include <ArmarXCore/core/logging/Logging.h>
 
#include "ProcessUtil.h"
 
using namespace ScenarioManager;
using namespace Exec;
using namespace Data_Structure;
 
StopStrategy::StopStrategy(ApplicationStopperPtr stopper) : stopper(stopper)
{
}
 
void
StopStrategy::awaitTermination(const ApplicationInstancePtr& application, int signalledPid)
{
    if (signalledPid <= 0)
    {
        return;
    }
 
    if (!ProcessUtil::WaitForExit(signalledPid, TerminationTimeout))
    {
        ARMARX_WARNING_S << "Application " << application->getName() << " (pid " << signalledPid
                         << ") did not terminate within " << TerminationTimeout.count()
                         << " ms. Giving up waiting for it; you may have to kill it manually.";
        return;
    }
 
    // Only clear the pid if it is still the one we signalled: the application may have been
    // started again while we were waiting.
    if (application->compareAndResetPid(signalledPid))
    {
        StatusManager().savePid(application);
    }
}