xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/java_api/src/TestClose.java (revision 581cede61ac9c14d8d4ea452562a567189eead78)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  *
26  * ident	"%Z%%M%	%I%	%E% SMI"
27  */
28 
29 import org.opensolaris.os.dtrace.*;
30 
31 /**
32  * Regression for bug 6419880 close() hangs running consumer.
33  */
34 public class TestClose {
35     public static void
36     main(String[] args)
37     {
38 	Consumer consumer = new LocalConsumer();
39 
40 	try {
41 	    consumer.open();
42 	    consumer.compile("syscall:::entry { @[execname] = count(); } " +
43 		    "tick-101ms { printa(@); }");
44 	    consumer.enable();
45 	    consumer.go();
46 	    try {
47 		Thread.currentThread().sleep(1000);
48 	    } catch (InterruptedException e) {
49 		e.printStackTrace();
50 		System.exit(1);
51 	    }
52 	    consumer.close();
53 	} catch (DTraceException e) {
54 	    e.printStackTrace();
55 	    System.exit(1);
56 	}
57 
58 	consumer = new LocalConsumer();
59 
60 	try {
61 	    consumer.open();
62 	    consumer.compile("syscall:::entry { @[execname] = count(); } " +
63 		    "tick-101ms { printa(@); }");
64 	    consumer.enable();
65 	    consumer.go();
66 	    try {
67 		Thread.currentThread().sleep(1000);
68 	    } catch (InterruptedException e) {
69 		e.printStackTrace();
70 		System.exit(1);
71 	    }
72 	    try {
73 		// Test new rule that close() is illegal while holding
74 		// lock on consumer.
75 		synchronized (consumer) {
76 		    consumer.close();
77 		}
78 	    } catch (IllegalThreadStateException e) {
79 		consumer.close();
80 		System.out.println("Successful");
81 		System.exit(0);
82 	    }
83 	} catch (DTraceException e) {
84 	    e.printStackTrace();
85 	    System.exit(1);
86 	}
87 	System.err.println("Failed");
88 	System.exit(1);
89     }
90 }
91