java_api/src/TestClose.java

	TestClose.java revision 23b5c241225a8ade2b6b9f06ebb891ee459e3b02
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 * ident    "%Z%%M% %I% %E% SMI"
 */

import org.opensolaris.os.dtrace.*;

/**
 * Regression for bug 6419880 close() hangs running consumer.
 */
public class TestClose {
    public static void
    main(String[] args)
    {
    Consumer consumer = new LocalConsumer();

    try {
        consumer.open();
        consumer.compile("syscall:::entry { @[execname] = count(); } " +
            "tick-101ms { printa(@); }");
        consumer.enable();
        consumer.go();
        try {
        Thread.currentThread().sleep(1000);
        } catch (InterruptedException e) {
        e.printStackTrace();
        System.exit(1);
        }
        consumer.close();
    } catch (DTraceException e) {
        e.printStackTrace();
        System.exit(1);
    }

    consumer = new LocalConsumer();

    try {
        consumer.open();
        consumer.compile("syscall:::entry { @[execname] = count(); } " +
            "tick-101ms { printa(@); }");
        consumer.enable();
        consumer.go();
        try {
        Thread.currentThread().sleep(1000);
        } catch (InterruptedException e) {
        e.printStackTrace();
        System.exit(1);
        }
        try {
        // Test new rule that close() is illegal while holding
        // lock on consumer.
        synchronized (consumer) {
            consumer.close();
        }
        } catch (IllegalThreadStateException e) {
        consumer.close();
        System.out.println("Successful");
        System.exit(0);
        }
    } catch (DTraceException e) {
        e.printStackTrace();
        System.exit(1);
    }
    System.err.println("Failed");
    System.exit(1);
    }
}