--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/Thread/TestThreadStackSizes.java Thu Mar 23 11:10:55 2017 -0700
@@ -0,0 +1,68 @@
+/*
+ * 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);
+ }
+}