| /* |
| * Copyright (c) 2011, 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 vm.mlvm.indy.stress.java.loopsAndThreads; |
| |
| import java.lang.invoke.CallSite; |
| import java.lang.invoke.ConstantCallSite; |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.MethodType; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import vm.mlvm.share.MlvmTest; |
| import vm.mlvm.share.Env; |
| import vm.mlvm.share.MultiThreadedTest; |
| import nsk.share.test.Stresser; |
| import nsk.share.Failure; |
| |
| public class INDIFY_Test extends MultiThreadedTest { |
| |
| # |
| # final int INDY_SITES_COUNT = 1000; |
| # |
| private AtomicLong _counter = new AtomicLong(); |
| private AtomicLong _expectedTargetCalls = new AtomicLong(); |
| |
| public INDIFY_Test() { |
| super(); |
| } |
| |
| private static MethodType MT_bootstrap() { |
| return MethodType.methodType(Object.class, Object.class, Object.class, Object.class); |
| } |
| |
| private static MethodHandle MH_bootstrap() throws Exception { |
| return MethodHandles.lookup().findStatic( |
| INDIFY_Test.class, |
| "bootstrap", |
| MT_bootstrap()); |
| } |
| |
| public static Object bootstrap(Object c, Object name, Object mt) throws Throwable { |
| Env.traceVerbose("bootstrap: Class " + c + "; method name = " + name + "; method type = " + mt); |
| CallSite cs = new ConstantCallSite( |
| MethodHandles.lookup().findVirtual( |
| INDIFY_Test.class, |
| "target", |
| MethodType.methodType(Object.class, String.class, int.class))); |
| return cs; |
| } |
| |
| public Object target(String s, int i) { |
| Env.traceDebug("target called"); |
| _counter.incrementAndGet(); |
| return null; |
| } |
| |
| # |
| # for ( int j = 0; j < INDY_SITES_COUNT; j++ ) { |
| # |
| private static MethodHandle INDY_call@j; |
| private static MethodHandle INDY_call@j () throws Throwable { |
| if (INDY_call@j != null) |
| return INDY_call@j; |
| |
| CallSite cs = (CallSite) MH_bootstrap().invokeWithArguments( |
| MethodHandles.lookup(), |
| "greet", |
| MethodType.methodType(Object.class, INDIFY_Test.class, String.class, int.class)); |
| |
| return cs.dynamicInvoker(); |
| } |
| # |
| # } |
| # |
| |
| public boolean runThread(int threadNum) throws Throwable { |
| final INDIFY_Test x = this; |
| final String s = "todo el mundo"; |
| final int i = 123; |
| |
| Stresser stresser = createStresser(); |
| |
| stresser.start(1); |
| while ( stresser.continueExecution() ) { |
| stresser.iteration(); |
| |
| long e; |
| do { |
| e = _expectedTargetCalls.get(); |
| } while ( ! _expectedTargetCalls.compareAndSet(e, e + @INDY_SITES_COUNT) ); |
| |
| # |
| # for ( int j = 0; j < INDY_SITES_COUNT; j++ ) { |
| # |
| Object o@j = (Object) INDY_call@j ().invokeExact(x, s, i); |
| # |
| # } |
| # |
| } |
| |
| return true; |
| } |
| |
| protected void finalizeTest(boolean ok) throws Throwable { |
| String msg = "Target was called " + _counter.get() + " times of " + _expectedTargetCalls.get(); |
| if ( ok && _counter.get() != _expectedTargetCalls.get() ) |
| throw new Failure(msg); |
| else |
| Env.display(msg); |
| } |
| |
| public static void main(String[] args) { MlvmTest.launch(args); } |
| } |