/**
* ****************************************************************************
* Copyright (c) 2010-2016 by Min Cai (min.cai.china@gmail.com).
* <p>
* This file is part of the Archimulator multicore architectural simulator.
* <p>
* Archimulator is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* <p>
* Archimulator 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.
* <p>
* You should have received a copy of the GNU General Public License
* along with Archimulator. If not, see <http://www.gnu.org/licenses/>.
* ****************************************************************************
*/
package archimulator.os.event;
import archimulator.os.Context;
import archimulator.os.signal.SignalMask;
/**
* Signal suspend event.
*
* @author Min Cai
*/
public class SignalSuspendEvent extends SystemEvent {
private SignalCriterion signalCriterion;
/**
* Create a signal suspend event for the specified context.
*
* @param context the context
*/
public SignalSuspendEvent(Context context) {
super(context, SystemEventType.SIGNAL_SUSPEND);
this.signalCriterion = new SignalCriterion();
}
@Override
public boolean needProcess() {
return this.signalCriterion.needProcess(this.getContext());
}
@Override
public void process() {
this.getContext().resume();
this.getContext().getKernel().processSignals();
try {
this.getContext().getSignalMasks().setBlocked((SignalMask) this.getContext().getSignalMasks().getBackup().clone());
} catch (CloneNotSupportedException e) {
throw new RuntimeException(e);
}
}
/**
* Get the signal criterion.
*
* @return the signal criterion
*/
public SignalCriterion getSignalCriterion() {
return signalCriterion;
}
}