69 lines
2.4 KiB
Java
69 lines
2.4 KiB
Java
/*
|
|
* Copyright (c) 2017, 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
|
|
* @summary Test user threads with various stack sizes.
|
|
* @run main/othervm TestThreadStackSizes
|
|
*/
|
|
|
|
public class TestThreadStackSizes extends Thread {
|
|
static final int K = 1024;
|
|
|
|
public TestThreadStackSizes(long stackSize) {
|
|
super(null, null, "TestThreadStackSizes" + stackSize, stackSize);
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
}
|
|
|
|
public static void createThread(long stackSize) {
|
|
System.out.println("StackSize: " + stackSize);
|
|
try {
|
|
TestThreadStackSizes testThreadStackSize = new TestThreadStackSizes(stackSize);
|
|
testThreadStackSize.start();
|
|
try {
|
|
testThreadStackSize.join();
|
|
} catch (InterruptedException e) {
|
|
throw new Error("InterruptedException in main thread", e);
|
|
}
|
|
} catch (Error e) { // we sometimes get OutOfMemoryError for very large stacks
|
|
System.out.println("Got exception for stack size " + stackSize + ": " + e);
|
|
}
|
|
}
|
|
|
|
public static void main(String[] args) throws Error {
|
|
// Try every stack size from 0k to 320k.
|
|
for (int i = 0; i <= 320; i++) {
|
|
createThread(i * K);
|
|
}
|
|
// Try a few other potentially problematic stack sizes.
|
|
createThread(500*K);
|
|
createThread(501*K);
|
|
createThread(-1);
|
|
createThread(500*K*K);
|
|
createThread(9223372036854774784L);
|
|
}
|
|
}
|