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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