1 /*
2 * Copyright (c) 2016, 2020, Red Hat, Inc. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 /*
26 * @test
27 * @summary Tests for crash/assert when attaching init thread during shutdown
28 * @requires vm.gc.Shenandoah
29 * @library /test/lib
30 * @modules java.base/jdk.internal.misc
31 * java.management
32 * @run driver/timeout=480 TestEvilSyncBug
33 */
34
35 import java.util.*;
36 import java.util.concurrent.*;
37 import java.util.concurrent.locks.*;
38
39 import jdk.test.lib.process.ProcessTools;
40 import jdk.test.lib.process.OutputAnalyzer;
41
42 public class TestEvilSyncBug {
43
44 private static final int NUM_RUNS = 100;
45
46 static Thread[] hooks = new MyHook[10000];
47
48 public static void main(String[] args) throws Exception {
49 if (args.length > 0) {
50 test();
51 } else {
52 // Use 1/4 of available processors to avoid over-saturation.
53 int numJobs = Math.max(1, Runtime.getRuntime().availableProcessors() / 4);
54 ExecutorService pool = Executors.newFixedThreadPool(numJobs);
55 Future<?>[] fs = new Future<?>[NUM_RUNS];
56
57 for (int c = 0; c < NUM_RUNS; c++) {
58 Callable<Void> task = () -> {
59 OutputAnalyzer output = ProcessTools.executeLimitedTestJava("-Xms128m",
60 "-Xmx128m",
61 "-XX:+UnlockExperimentalVMOptions",
62 "-XX:+UnlockDiagnosticVMOptions",
63 "-XX:+UseShenandoahGC",
64 "-XX:ShenandoahGCHeuristics=aggressive",
65 "TestEvilSyncBug", "test");
66 output.shouldHaveExitValue(0);
67 return null;
68 };
69 fs[c] = pool.submit(task);
70 }
71
72 for (Future<?> f : fs) {
73 f.get();
74 }
75
76 pool.shutdown();
77 pool.awaitTermination(1, TimeUnit.HOURS);
78 }
79 }
80
81 private static void test() throws Exception {
82
83 for (int t = 0; t < hooks.length; t++) {
84 hooks[t] = new MyHook();
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1 /*
2 * Copyright (c) 2016, 2020, Red Hat, Inc. All rights reserved.
3 * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 /*
27 * @test id=default
28 * @summary Tests for crash/assert when attaching init thread during shutdown
29 * @requires vm.gc.Shenandoah
30 * @library /test/lib
31 * @modules java.base/jdk.internal.misc
32 * java.management
33 * @run driver/timeout=480 TestEvilSyncBug -XX:ShenandoahGCHeuristics=aggressive
34 */
35
36 /*
37 * @test id=generational
38 * @summary Tests for crash/assert when attaching init thread during shutdown
39 * @requires vm.gc.Shenandoah
40 * @library /test/lib
41 * @modules java.base/jdk.internal.misc
42 * java.management
43 * @run driver/timeout=480 TestEvilSyncBug -XX:ShenandoahGCMode=generational
44 */
45
46 import java.util.*;
47 import java.util.concurrent.*;
48 import java.util.concurrent.locks.*;
49
50 import jdk.test.lib.process.ProcessTools;
51 import jdk.test.lib.process.OutputAnalyzer;
52
53 public class TestEvilSyncBug {
54
55 private static final int NUM_RUNS = 100;
56
57 static Thread[] hooks = new MyHook[10000];
58
59 public static void main(String[] args) throws Exception {
60 if ("test".equals(args[0])) {
61 test();
62 } else {
63 String options = args[0];
64 // Use 1/4 of available processors to avoid over-saturation.
65 int numJobs = Math.max(1, Runtime.getRuntime().availableProcessors() / 4);
66 ExecutorService pool = Executors.newFixedThreadPool(numJobs);
67 Future<?>[] fs = new Future<?>[NUM_RUNS];
68
69 for (int c = 0; c < NUM_RUNS; c++) {
70 Callable<Void> task = () -> {
71 OutputAnalyzer output = ProcessTools.executeLimitedTestJava("-Xms128m",
72 "-Xmx128m",
73 "-XX:+UnlockExperimentalVMOptions",
74 "-XX:+UnlockDiagnosticVMOptions",
75 "-XX:+UseShenandoahGC",
76 options,
77 "TestEvilSyncBug", "test");
78 output.shouldHaveExitValue(0);
79 return null;
80 };
81 fs[c] = pool.submit(task);
82 }
83
84 for (Future<?> f : fs) {
85 f.get();
86 }
87
88 pool.shutdown();
89 pool.awaitTermination(1, TimeUnit.HOURS);
90 }
91 }
92
93 private static void test() throws Exception {
94
95 for (int t = 0; t < hooks.length; t++) {
96 hooks[t] = new MyHook();
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