| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.core; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| |
| /** |
| * Monitors a system process, waiting for it to terminate, and |
| * then notifies the associated runtime process. |
| */ |
| public class ProcessMonitorJob extends Job { |
| /** |
| * The underlying <code>java.lang.Process</code> being monitored. |
| */ |
| protected Process fOSProcess; |
| /** |
| * The <code>IProcess</code> which will be informed when this |
| * monitor detects that the underlying process has terminated. |
| */ |
| protected RuntimeProcess fProcess; |
| |
| /** |
| * The <code>Thread</code> which is monitoring the underlying process. |
| */ |
| protected Thread fThread; |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public IStatus run(IProgressMonitor monitor) { |
| fThread = Thread.currentThread(); |
| while (fOSProcess != null) { |
| try { |
| fOSProcess.waitFor(); |
| } catch (InterruptedException ie) { |
| // clear interrupted state |
| Thread.interrupted(); |
| } finally { |
| fOSProcess = null; |
| fProcess.terminated(); |
| } |
| } |
| fThread = null; |
| return Status.OK_STATUS; |
| } |
| |
| /** |
| * Creates a new process monitor and starts monitoring the process |
| * for termination. |
| */ |
| public ProcessMonitorJob(RuntimeProcess process) { |
| super(DebugCoreMessages.getString("ProcessMonitorJob.0")); //$NON-NLS-1$ |
| setPriority(Job.INTERACTIVE); |
| setSystem(true); |
| fProcess= process; |
| fOSProcess= process.getSystemProcess(); |
| schedule(); |
| } |
| |
| /** |
| * Kills the monitoring thread. |
| * |
| * This method is to be useful for dealing with the error |
| * case of an underlying process which has not informed this |
| * monitor of its termination. |
| */ |
| protected void killJob() { |
| if (fThread == null) { |
| cancel(); |
| } else { |
| fThread.interrupt(); |
| } |
| } |
| } |