test/hotspot/jtreg/runtime/Safepoint/NoSafepointVerifier.java
author bulasevich
Wed, 20 Nov 2019 09:29:23 +0300
changeset 59143 1037c4d14378
parent 58409 a595e67d6683
permissions -rw-r--r--
8233113: ARM32: assert on UnsafeJlong mutex rank check Reviewed-by: coleenp, dholmes
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/*
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 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 8184732
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 * @summary Ensure that special locks never safepoint check.
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 * @library /test/lib
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 * @modules java.base/jdk.internal.misc
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 *          java.management
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 * @build sun.hotspot.WhiteBox
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 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
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 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
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 * @run main NoSafepointVerifier
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 */
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.Platform;
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import sun.hotspot.WhiteBox;
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public class NoSafepointVerifier {
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    static void runTest(String test) throws Exception {
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        if (Platform.isDebugBuild()){
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            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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                  "-Xbootclasspath/a:.",
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                  "-XX:+UnlockDiagnosticVMOptions",
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                  "-XX:+WhiteBoxAPI",
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                  "-XX:-CreateCoredumpOnCrash",
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                  "NoSafepointVerifier",
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                  test);
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            OutputAnalyzer output = new OutputAnalyzer(pb.start());
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            output.shouldContain(test);
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        }
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    }
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    static String test1 = "Special locks or below should never safepoint";
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    static String test2 = "Possible safepoint reached by thread that does not allow it";
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    public static void main(String args[]) throws Exception {
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        if (args.length > 0) {
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            if (args[0].equals(test1)) {
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                WhiteBox.getWhiteBox().assertSpecialLock(/*vm_block*/true, /*safepoint_check_always*/true);
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            } else if (args[0].equals(test2)) {
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                WhiteBox.getWhiteBox().assertSpecialLock(/*vm_block*/true, /*safepoint_check_always*/false);
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            }
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        } else {
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            runTest(test1);
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            runTest(test2);
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        }
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    }
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}