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annotate test/runtime/7107135/TestMT.java @ 14094:3f27e57439ed

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Truffle/Instrumentation: significant rearrangement (including moved class) and extension of the Truffle Instrumentation Framework. New interfaces include DebugContext (which can be attached to the ExecutionContext), through which access is provided to possibly language-specific (a) node instrumentation, (b) debug services manager, (c) notification when programs halt, (d) display of language values, and (e) display of variable identifiers.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Mon, 03 Feb 2014 20:58:23 -0800
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children
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1 /*
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2 * Copyright (c) 2002-2013, Oracle and/or its affiliates. All rights reserved.
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3 * Copyright (c) 2011 SAP AG. All Rights Reserved.
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 *
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6 * This code is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU General Public License version 2 only, as
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8 * published by the Free Software Foundation.
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9 *
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10 * This code is distributed in the hope that it will be useful, but WITHOUT
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * version 2 for more details (a copy is included in the LICENSE file that
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14 * accompanied this code).
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15 *
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16 * You should have received a copy of the GNU General Public License version
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17 * 2 along with this work; if not, write to the Free Software Foundation,
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 *
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 * or visit www.oracle.com if you need additional information or have any
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22 * questions.
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23 */
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24
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25 class TestMT {
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26
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27 static boolean loadLib(String libName) {
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28 try {
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29 System.loadLibrary(libName);
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30 System.out.println("Loaded library "+ libName + ".");
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31 return true;
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32 } catch (SecurityException e) {
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33 System.out.println("loadLibrary(\"" + libName + "\") throws: " + e + "\n");
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34 } catch (UnsatisfiedLinkError e) {
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35 System.out.println("loadLibrary(\"" + libName + "\") throws: " + e + "\n");
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36 }
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37 return false;
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38 }
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39
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40 public static int counter = 1;
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41 static int Runner() {
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42 counter = counter * -1;
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43 int i = counter;
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44 if (counter < 2) counter += Runner();
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45 return i;
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46 }
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47
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48 public static int run(String msg) {
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49 try {
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50 Runner();
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51 } catch (StackOverflowError e) {
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52 System.out.println(msg + " caught stack overflow error.");
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53 return 0;
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54 } catch (OutOfMemoryError e) {
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55 return 0;
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56 }
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57 return 2;
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58 }
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59
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60 public static void main(String argv[]) {
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61 try {
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62 for (int i = 0; i < 20; i++) {
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63 Thread t = new DoStackOverflow("SpawnedThread " + i);
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64 t.start();
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65 }
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66 run("Main thread");
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67 loadLib("test-rwx");
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68 run("Main thread");
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69 } catch (Exception e) {
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70 System.out.println(e);
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71 }
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72 }
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73
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74 static class DoStackOverflow extends Thread {
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75 public DoStackOverflow(String name) {
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76 super(name);
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77 }
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78 public void run() {
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79 for (int i = 0; i < 10; ++i) {
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80 TestMT.run(getName());
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81 yield();
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82 }
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83 }
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84 }
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85 }