Thu, 19 Sep 2013 09:36:51 -0700
Added tag jdk8-b108 for changeset 85072013aad4
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2002-2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * Copyright (c) 2011 SAP AG. All Rights Reserved. |
aoqi@0 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 5 | * |
aoqi@0 | 6 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 7 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 8 | * published by the Free Software Foundation. |
aoqi@0 | 9 | * |
aoqi@0 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 14 | * accompanied this code). |
aoqi@0 | 15 | * |
aoqi@0 | 16 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 19 | * |
aoqi@0 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 21 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 22 | * questions. |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | class TestMT { |
aoqi@0 | 26 | |
aoqi@0 | 27 | static boolean loadLib(String libName) { |
aoqi@0 | 28 | try { |
aoqi@0 | 29 | System.loadLibrary(libName); |
aoqi@0 | 30 | System.out.println("Loaded library "+ libName + "."); |
aoqi@0 | 31 | return true; |
aoqi@0 | 32 | } catch (SecurityException e) { |
aoqi@0 | 33 | System.out.println("loadLibrary(\"" + libName + "\") throws: " + e + "\n"); |
aoqi@0 | 34 | } catch (UnsatisfiedLinkError e) { |
aoqi@0 | 35 | System.out.println("loadLibrary(\"" + libName + "\") throws: " + e + "\n"); |
aoqi@0 | 36 | } |
aoqi@0 | 37 | return false; |
aoqi@0 | 38 | } |
aoqi@0 | 39 | |
aoqi@0 | 40 | public static int counter = 1; |
aoqi@0 | 41 | static int Runner() { |
aoqi@0 | 42 | counter = counter * -1; |
aoqi@0 | 43 | int i = counter; |
aoqi@0 | 44 | if (counter < 2) counter += Runner(); |
aoqi@0 | 45 | return i; |
aoqi@0 | 46 | } |
aoqi@0 | 47 | |
aoqi@0 | 48 | public static int run(String msg) { |
aoqi@0 | 49 | try { |
aoqi@0 | 50 | Runner(); |
aoqi@0 | 51 | } catch (StackOverflowError e) { |
aoqi@0 | 52 | System.out.println(msg + " caught stack overflow error."); |
aoqi@0 | 53 | return 0; |
aoqi@0 | 54 | } catch (OutOfMemoryError e) { |
aoqi@0 | 55 | return 0; |
aoqi@0 | 56 | } |
aoqi@0 | 57 | return 2; |
aoqi@0 | 58 | } |
aoqi@0 | 59 | |
aoqi@0 | 60 | public static void main(String argv[]) { |
aoqi@0 | 61 | try { |
aoqi@0 | 62 | for (int i = 0; i < 20; i++) { |
aoqi@0 | 63 | Thread t = new DoStackOverflow("SpawnedThread " + i); |
aoqi@0 | 64 | t.start(); |
aoqi@0 | 65 | } |
aoqi@0 | 66 | run("Main thread"); |
aoqi@0 | 67 | loadLib("test-rwx"); |
aoqi@0 | 68 | run("Main thread"); |
aoqi@0 | 69 | } catch (Exception e) { |
aoqi@0 | 70 | System.out.println(e); |
aoqi@0 | 71 | } |
aoqi@0 | 72 | } |
aoqi@0 | 73 | |
aoqi@0 | 74 | static class DoStackOverflow extends Thread { |
aoqi@0 | 75 | public DoStackOverflow(String name) { |
aoqi@0 | 76 | super(name); |
aoqi@0 | 77 | } |
aoqi@0 | 78 | public void run() { |
aoqi@0 | 79 | for (int i = 0; i < 10; ++i) { |
aoqi@0 | 80 | TestMT.run(getName()); |
aoqi@0 | 81 | yield(); |
aoqi@0 | 82 | } |
aoqi@0 | 83 | } |
aoqi@0 | 84 | } |
aoqi@0 | 85 | } |