| /* |
| * 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.scenarios.sampling.SP06; |
| |
| import java.io.PrintStream; |
| |
| import nsk.share.*; |
| import nsk.share.jvmti.*; |
| |
| public class sp06t002 extends DebugeeClass { |
| |
| // load native library if required |
| static { |
| System.loadLibrary("sp06t002"); |
| } |
| |
| // run test from command line |
| public static void main(String argv[]) { |
| argv = nsk.share.jvmti.JVMTITest.commonInit(argv); |
| |
| // JCK-compatible exit |
| System.exit(run(argv, System.out) + Consts.JCK_STATUS_BASE); |
| } |
| |
| // run test from JCK-compatible environment |
| public static int run(String argv[], PrintStream out) { |
| return new sp06t002().runIt(argv, out); |
| } |
| |
| /* =================================================================== */ |
| |
| // constants |
| public static final int COMPILE_ITERATIONS = 100; |
| |
| // scaffold objects |
| ArgumentHandler argHandler = null; |
| Log log = null; |
| long timeout = 0; |
| int status = Consts.TEST_PASSED; |
| |
| // monitors for threads synchronization |
| static Object endingMonitor = new Object(); |
| |
| // tested threads list |
| sp06t002Thread threads[] = null; |
| |
| // run debuggee |
| public int runIt(String argv[], PrintStream out) { |
| argHandler = new ArgumentHandler(argv); |
| log = new Log(out, argHandler); |
| timeout = argHandler.getWaitTime() * 60 * 1000; // milliseconds |
| |
| // create threads list |
| threads = new sp06t002Thread[] { |
| new sp06t002ThreadRunning("threadRunning", log), |
| new sp06t002ThreadEntering("threadEntering", log), |
| new sp06t002ThreadWaiting("threadWaiting", log), |
| new sp06t002ThreadSleeping("threadSleeping", log), |
| new sp06t002ThreadRunningInterrupted("threadRunningInterrupted", log), |
| new sp06t002ThreadRunningNative("threadRunningNative", log) |
| }; |
| |
| // run threads |
| log.display("Starting tested threads"); |
| try { |
| synchronized (endingMonitor) { |
| // start threads (except first one) |
| for (int i = 0; i < threads.length; i++) { |
| threads[i].start(); |
| if (!threads[i].checkReady()) { |
| throw new Failure("Unable to prepare thread #" + i + ": " + threads[i]); |
| } |
| log.display(" thread ready: " + threads[i].getName()); |
| } |
| |
| // testing sync |
| log.display("Testing sync: threads ready"); |
| status = checkStatus(status); |
| } |
| } finally { |
| // let all threads to finish |
| for (int i = 0; i < threads.length; i++) { |
| threads[i].letFinish(); |
| } |
| } |
| |
| // wait for all threads to finish |
| log.display("Finishing tested threads"); |
| try { |
| for (int i = 0; i < threads.length; i++) { |
| threads[i].join(); |
| } |
| } catch (InterruptedException e) { |
| throw new Failure(e); |
| } |
| |
| return status; |
| } |
| } |
| |
| /* =================================================================== */ |
| |
| // basic class for tested threads |
| abstract class sp06t002Thread extends Thread { |
| Log log = null; |
| volatile boolean threadReady = false; |
| volatile boolean shouldFinish = false; |
| |
| // make thread with specific name |
| public sp06t002Thread(String name, Log log) { |
| super(name); |
| this.log = log; |
| } |
| |
| // run thread |
| public void run() { |
| // run tested method in a loop to provoke compilation |
| for (int i = 0; i < sp06t002.COMPILE_ITERATIONS; i++) { |
| testedMethod(true, i); |
| } |
| // run tested method for check |
| testedMethod(false, 0); |
| } |
| |
| // tested method |
| public abstract void testedMethod(boolean simulate, int i); |
| |
| // check if thread is ready for testing |
| public boolean checkReady() { |
| try { |
| while (!threadReady) { |
| sleep(1000); |
| } |
| } catch (InterruptedException e) { |
| log.complain("Interrupted " + getName() + ": " + e); |
| return false; |
| } |
| return true; |
| } |
| |
| // let thread to finish |
| public void letFinish() { |
| shouldFinish = true; |
| } |
| } |
| |
| /* =================================================================== */ |
| |
| class sp06t002ThreadRunning extends sp06t002Thread { |
| public sp06t002ThreadRunning(String name, Log log) { |
| super(name, log); |
| } |
| |
| public void testedMethod(boolean simulate, int i) { |
| if (!simulate) { |
| threadReady = true; |
| // run in a loop |
| int k = 0; |
| int n = 1000; |
| while (!shouldFinish) { |
| if (n <= 0) { |
| n = 1000; |
| } |
| if (k > n) { |
| k = 0; |
| n = n - 1; |
| } |
| k = k + 1; |
| } |
| } |
| } |
| } |
| |
| class sp06t002ThreadEntering extends sp06t002Thread { |
| public sp06t002ThreadEntering(String name, Log log) { |
| super(name, log); |
| } |
| |
| public void testedMethod(boolean simulated, int i) { |
| if (!simulated) { |
| threadReady = true; |
| // wait for endingMonitor to become released |
| synchronized (sp06t002.endingMonitor) { |
| // do nothing |
| } |
| } |
| } |
| } |
| |
| class sp06t002ThreadWaiting extends sp06t002Thread { |
| private Object waitingMonitor = new Object(); |
| |
| public sp06t002ThreadWaiting(String name, Log log) { |
| super(name, log); |
| } |
| |
| public void testedMethod(boolean simulate, int i) { |
| synchronized (waitingMonitor) { |
| if (!simulate) { |
| // wait on monitor |
| try { |
| waitingMonitor.wait(); |
| } catch (InterruptedException ignore) { |
| // just finish |
| } |
| } |
| } |
| } |
| |
| public boolean checkReady() { |
| // wait until waitingMonitor released on wait() |
| synchronized (waitingMonitor) { |
| } |
| return true; |
| } |
| |
| public void letFinish() { |
| synchronized (waitingMonitor) { |
| waitingMonitor.notifyAll(); |
| } |
| } |
| } |
| |
| class sp06t002ThreadSleeping extends sp06t002Thread { |
| public sp06t002ThreadSleeping(String name, Log log) { |
| super(name, log); |
| } |
| |
| public void testedMethod(boolean simulate, int i) { |
| long longTimeout = 7 * 24 * 60 * 60 * 1000; // one week in milliseconds |
| |
| if (!simulate) { |
| // sleep for a loooong time |
| try { |
| threadReady = true; |
| sleep(longTimeout); |
| } catch (InterruptedException ignore) { |
| // just finish |
| } |
| } |
| } |
| |
| public void letFinish() { |
| interrupt(); |
| } |
| } |
| |
| class sp06t002ThreadRunningInterrupted extends sp06t002Thread { |
| private Object waitingMonitor = new Object(); |
| |
| public sp06t002ThreadRunningInterrupted(String name, Log log) { |
| super(name, log); |
| } |
| |
| public void testedMethod(boolean simulate, int i) { |
| if (!simulate) { |
| synchronized (waitingMonitor) { |
| // wait on watingMonitor until interrupted |
| try { |
| waitingMonitor.wait(); |
| } catch (InterruptedException ignore) { |
| // just continue |
| } |
| } |
| |
| threadReady = true; |
| // run in a loop after interrupted |
| int k = 0; |
| int n = 1000; |
| while (!shouldFinish) { |
| if (n <= 0) { |
| n = 1000; |
| } |
| if (k > n) { |
| k = 0; |
| n = n - 1; |
| } |
| k = k + 1; |
| } |
| } |
| } |
| |
| public boolean checkReady() { |
| // interrupt thread on wait() |
| synchronized (waitingMonitor) { |
| interrupt(); |
| } |
| return true; |
| } |
| } |
| |
| class sp06t002ThreadRunningNative extends sp06t002Thread { |
| public sp06t002ThreadRunningNative(String name, Log log) { |
| super(name, log); |
| } |
| |
| public native void testedMethod(boolean simulate, int i); |
| |
| public native boolean checkReady(); |
| public native void letFinish(); |
| } |