Attachment 126039 Details for Bug 265324 – Demo of deadlock

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Demo of deadlock

Test.java (text/x-java), 1.56 KB, created by Min Idzelis

on 2009-02-18 11:25:59 EST

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Description:

Filename:

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Creator: Min Idzelis

Created: 2009-02-18 11:25:59 EST

Size: 1.56 KB

patch

obsolete

>import org.eclipse.core.internal.runtime.RuntimeLog;
>import org.eclipse.core.runtime.ILogListener;
>import org.eclipse.core.runtime.IProgressMonitor;
>import org.eclipse.core.runtime.IStatus;
>import org.eclipse.core.runtime.Status;
>import org.eclipse.core.runtime.jobs.ILock;
>import org.eclipse.core.runtime.jobs.ISchedulingRule;
>import org.eclipse.core.runtime.jobs.Job;
>
>public class Test {
>	private static ISchedulingRule rule = new ISchedulingRule() {
>
>		@Override
>		public boolean isConflicting(ISchedulingRule rule) {
>			return rule == this;
>		}
>
>		@Override
>		public boolean contains(ISchedulingRule rule) {
>			return rule == this;
>		}
>	};
>	private static ILogListener listener = new ILogListener() {
>
>		@Override
>		public void logging(IStatus status, String plugin) {
>			System.out.println(status);
>		}
>	};
>
>	public static void main(String[] args) throws InterruptedException {
>		RuntimeLog.addLogListener(listener);
>		Job j = new Job("Test with rule") {
>
>			@Override
>			protected IStatus run(IProgressMonitor monitor) {
>				Job.getJobManager().beginRule(rule, monitor);
>				return Status.OK_STATUS;
>			}
>		};
>		j.schedule();
>		j.join();
>		// this will not deadlock
>		Job.getJobManager().beginRule(rule, null);
>		final ILock lock = Job.getJobManager().newLock();
>		Job j2 = new Job("Test with lock") {
>
>			@Override
>			protected IStatus run(IProgressMonitor monitor) {
>				lock.acquire();
>				return Status.OK_STATUS;
>			}
>		};
>		j2.schedule();
>		j2.join();
>		// this will deadlock.
>		lock.acquire();
>		Thread.sleep(30000);
>	}
>}

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Attachments on bug 265324: 126039 | 227414