test/compiler/c2/6772683/InterruptedTest.java
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*** old/test/compiler/c2/6772683/InterruptedTest.java	Wed Jan 13 16:00:32 2016
--- new/test/compiler/c2/6772683/InterruptedTest.java	Wed Jan 13 16:00:32 2016

*** 1,7 **** --- 1,7 ---- /* ! * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved. ! * Copyright (c) 2008, 2016, 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.
*** 24,65 **** --- 24,95 ---- /* * @test * @bug 6772683 * @summary Thread.isInterrupted() fails to return true on multiprocessor PC ! * @run main/othervm InterruptedTest 100 */ public class InterruptedTest { public static void main(String[] args) throws Exception { + /* The value of the threshold determines for how many seconds + * the main thread must wait for the worker thread. On highly + * loaded systems it can take a while until the worker thread + * obtains CPU time and is able to check if it was interrupted + * by the main thread. The higher the threshold the likelier + * the worker thread can check if it was interrupted (that is + * required for successul test execution). + */ + int threshold = 100; + + if (args.length != 1) { + System.out.println("Incorrect number of arguments"); + System.exit(1); + } + + try { + threshold = Integer.parseInt(args[0]); + } catch (NumberFormatException e) { + System.out.println("Invalid argument format"); + System.exit(1); + } + + if (threshold < 1) { + System.out.println("Threshold must be at least 1"); + System.exit(1); + } + Thread workerThread = new Thread("worker") { public void run() { System.out.println("Worker thread: running..."); while (!Thread.currentThread().isInterrupted()) { } System.out.println("Worker thread: bye"); } }; System.out.println("Main thread: starts a worker thread..."); workerThread.start(); ! System.out.println("Main thread: waits at most 5s for the worker thread to die..."); ! System.out.println("Main thread: waits 5 seconds after starting the worker thread"); workerThread.join(5000); // Wait 5 sec to let run() method to be compiled + int ntries = 0; ! while (workerThread.isAlive() && ntries < 5) { ! while (workerThread.isAlive() && ntries < threshold) { System.out.println("Main thread: interrupts the worker thread..."); workerThread.interrupt(); if (workerThread.isInterrupted()) { System.out.println("Main thread: worker thread is interrupted"); } ntries++; ! System.out.println("Main thread: waits 1 second for the worker thread to die..."); workerThread.join(1000); // Wait 1 sec and try again } if (ntries == 5) { System.out.println("Main thread: the worker thread dod not die"); + + if (ntries == threshold) { + System.out.println("Main thread: the worker thread did not die after " + + ntries + " seconds have elapsed"); System.exit(97); } + System.out.println("Main thread: bye"); } }

test/compiler/c2/6772683/InterruptedTest.java
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