| /* |
| * Copyright (c) 2003, 2018, 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. |
| */ |
| |
| package nsk.jvmti.unit.functions; |
| |
| import java.io.PrintStream; |
| |
| public class rawmonitor { |
| |
| final static int JCK_STATUS_BASE = 95; |
| final static int THREADS_LIMIT = 1000; |
| final static String NAME_PREFIX = "rawmonitor-"; |
| static int fail_id = 0; |
| |
| static { |
| try { |
| System.loadLibrary("rawmonitor"); |
| } catch (UnsatisfiedLinkError ule) { |
| System.err.println("Could not load rawmonitor library"); |
| System.err.println("java.library.path:" |
| + System.getProperty("java.library.path")); |
| throw ule; |
| } |
| } |
| |
| native static int GetResult(); |
| native static void CreateRawMonitor(int i); |
| native static void RawMonitorEnter(int i); |
| native static void RawMonitorExit(int i); |
| native static void RawMonitorWait(int i); |
| |
| |
| static volatile int thrCount = 0; |
| |
| public static void main(String args[]) { |
| args = nsk.share.jvmti.JVMTITest.commonInit(args); |
| |
| // produce JCK-like exit status. |
| System.exit(run(args, System.out) + JCK_STATUS_BASE); |
| } |
| |
| public static int run(String args[], PrintStream out) { |
| CreateRawMonitor(1); |
| |
| TestThread t = new TestThread(NAME_PREFIX + thrCount); |
| t.start(); |
| |
| // Just to test raw monitor during onload. |
| // Created and entered in onload phase. Release it now. |
| RawMonitorExit(0); |
| |
| try { |
| t.join(); |
| } catch (InterruptedException e) { |
| throw new Error("Unexpected: " + e); |
| } |
| return GetResult() + fail_id; |
| } |
| |
| static class TestThread extends Thread { |
| static int counter=0; |
| public TestThread(String name) { |
| super(name); |
| } |
| public void run() { |
| thrCount++; |
| if (thrCount < THREADS_LIMIT) { |
| TestThread t = new TestThread(NAME_PREFIX + thrCount); |
| t.start(); |
| |
| for (int i=0; i < 100; i++) { |
| RawMonitorEnter(0); |
| int tst = counter; |
| // System.out.print("."); |
| counter++; |
| if (counter != tst+1) { |
| System.out.println("Monitor Enter is not working"); |
| fail_id = 4; |
| } |
| |
| // System.out.println(counter); |
| RawMonitorExit(0); |
| } |
| |
| try { |
| t.join(); |
| } catch (InterruptedException e) { |
| throw new Error("Unexpected: " + e); |
| } |
| } |
| } |
| } |
| } |