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8311218: fatal error: stuck in JvmtiVTMSTransitionDisabler::VTMS_tran…
…sition_disable Reviewed-by: alanb Backport-of: 0f8e4e0a81257c678e948c341a241dc0b810494f
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Serguei Spitsyn
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Jan 10, 2024
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108 changes: 108 additions & 0 deletions
108
...jtreg/serviceability/jvmti/vthread/SuspendWithInterruptLock/SuspendWithInterruptLock.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| /* | ||
| * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License version 2 only, as | ||
| * published by the Free Software Foundation. | ||
| * | ||
| * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * version 2 for more details (a copy is included in the LICENSE file that | ||
| * accompanied this code). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| * or visit www.oracle.com if you need additional information or have any | ||
| * questions. | ||
| */ | ||
|
|
||
| /** | ||
| * @test id=default | ||
| * @summary Do not suspend virtual threads in a critical section. | ||
| * @bug 8311218 | ||
| * @requires vm.continuations | ||
| * @library /testlibrary | ||
| * @run main/othervm SuspendWithInterruptLock | ||
| */ | ||
|
|
||
| /** | ||
| * @test id=xint | ||
| * @summary Do not suspend virtual threads in a critical section. | ||
| * @bug 8311218 | ||
| * @requires vm.continuations | ||
| * @library /testlibrary | ||
| * @run main/othervm -Xint SuspendWithInterruptLock | ||
| */ | ||
|
|
||
| import jvmti.JVMTIUtils; | ||
|
|
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| public class SuspendWithInterruptLock { | ||
| static volatile boolean done; | ||
|
|
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| public static void main(String[] args) throws Exception { | ||
| Thread yielder = Thread.ofVirtual().name("yielder").start(() -> yielder()); | ||
| Thread stateReader = Thread.ofVirtual().name("stateReader").start(() -> stateReader(yielder)); | ||
| Thread suspender = new Thread(() -> suspender(stateReader)); | ||
| suspender.start(); | ||
|
|
||
| yielder.join(); | ||
| stateReader.join(); | ||
| suspender.join(); | ||
| } | ||
|
|
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| static private void yielder() { | ||
| int iterations = 100_000; | ||
| while (iterations-- > 0) { | ||
| Thread.yield(); | ||
| } | ||
| done = true; | ||
| } | ||
|
|
||
| static private void stateReader(Thread target) { | ||
| while (!done) { | ||
| target.getState(); | ||
| } | ||
| } | ||
|
|
||
| static private void suspender(Thread target) { | ||
| while (!done) { | ||
| suspendThread(target); | ||
| sleep(1); | ||
| resumeThread(target); | ||
| // Allow progress | ||
| sleep(5); | ||
| } | ||
| } | ||
|
|
||
| static void suspendThread(Thread t) { | ||
| try { | ||
| JVMTIUtils.suspendThread(t); | ||
| } catch (JVMTIUtils.JvmtiException e) { | ||
| if (e.getCode() != JVMTIUtils.JVMTI_ERROR_THREAD_NOT_ALIVE) { | ||
| throw e; | ||
| } | ||
| } | ||
| } | ||
|
|
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| static void resumeThread(Thread t) { | ||
| try { | ||
| JVMTIUtils.resumeThread(t); | ||
| } catch (JVMTIUtils.JvmtiException e) { | ||
| if (e.getCode() != JVMTIUtils.JVMTI_ERROR_THREAD_NOT_ALIVE) { | ||
| throw e; | ||
| } | ||
| } | ||
| } | ||
|
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||
| static private void sleep(long millis) { | ||
| try { | ||
| Thread.sleep(millis); | ||
| } catch (InterruptedException e) {} | ||
| } | ||
| } | ||
|
|