# HG changeset patch # User iignatyev # Date 1495659337 25200 # Node ID 9f9d05fc5e15f2808de208bb0420df6063890893 # Parent 65c0d496b04c160399bf9d1ede8d434d39cf0d3b 8180802: move jdk.testlibrary.management.ThreadMXBeanTool to top level testlibrary Reviewed-by: psandoz diff -r 65c0d496b04c -r 9f9d05fc5e15 jdk/test/lib/testlibrary/jdk/testlibrary/management/ThreadMXBeanTool.java --- a/jdk/test/lib/testlibrary/jdk/testlibrary/management/ThreadMXBeanTool.java Wed May 24 16:11:36 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,72 +0,0 @@ -/* - * Copyright (c) 2015, 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. - */ - -package jdk.testlibrary.management; - -import java.lang.management.ManagementFactory; -import java.lang.management.ThreadInfo; -import java.lang.management.ThreadMXBean; -import java.util.concurrent.TimeoutException; - -/** - * A few utility methods to use ThreadMXBean. - */ -public final class ThreadMXBeanTool { - - /** - * Waits until {@link Thread} is in the certain {@link State} - * and blocking on {@code object}. - * - * @param state The thread state - * @param object The object to block on - */ - public static void waitUntilBlockingOnObject(Thread thread, Thread.State state, Object object) - throws InterruptedException { - String want = object == null ? null : object.getClass().getName() + '@' - + Integer.toHexString(System.identityHashCode(object)); - ThreadMXBean tmx = ManagementFactory.getThreadMXBean(); - while (thread.isAlive()) { - ThreadInfo ti = tmx.getThreadInfo(thread.getId()); - if (ti.getThreadState() == state - && (want == null || want.equals(ti.getLockName()))) { - return; - } - Thread.sleep(1); - } - } - - /** - * Waits until {@link Thread} is in native. - */ - public static void waitUntilInNative(Thread thread) throws InterruptedException { - ThreadMXBean tmx = ManagementFactory.getThreadMXBean(); - while (thread.isAlive()) { - ThreadInfo ti = tmx.getThreadInfo(thread.getId()); - if (ti.isInNative()) { - return; - } - Thread.sleep(1); - } - } - -}