/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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public class Main implements Runnable {
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static final int numberOfThreads = 2;
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static boolean sExitFlag = false;
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static boolean sEntered = false;
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int threadIndex;
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private static native void deoptimizeAll();
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private static native void assertIsInterpreted();
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private static native void assertIsManaged();
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private static native void ensureJitCompiled(Class<?> cls, String methodName);
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Main(int index) {
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threadIndex = index;
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}
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public static void main(String[] args) throws Exception {
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System.loadLibrary(args[0]);
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final Thread[] threads = new Thread[numberOfThreads];
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for (int t = 0; t < threads.length; t++) {
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threads[t] = new Thread(new Main(t));
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threads[t].start();
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}
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for (Thread t : threads) {
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t.join();
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}
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System.out.println("Finishing");
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}
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private static int $noinline$bar() {
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// Should be entered via interpreter bridge.
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assertIsInterpreted();
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synchronized (Main.class) {
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sEntered = true;
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Main.class.notify();
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while (!sExitFlag) {
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try {
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Main.class.wait();
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} catch (InterruptedException e) {
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throw new Error("Unexpected exception.");
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}
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}
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}
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assertIsInterpreted();
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return 0x1234;
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}
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public void $noinline$foo() {
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assertIsManaged();
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if ($noinline$bar() != 0x1234) {
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System.out.println("Bad return value");
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}
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assertIsInterpreted();
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}
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public void run() {
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if (threadIndex == 0) {
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synchronized (Main.class) {
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while (!sEntered) {
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try {
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Main.class.wait();
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} catch (InterruptedException e) {
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throw new Error("Unexpected exception.");
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}
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}
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}
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deoptimizeAll();
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synchronized (Main.class) {
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sExitFlag = true;
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Main.class.notify();
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}
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} else {
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ensureJitCompiled(Main.class, "$noinline$foo");
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$noinline$foo();
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}
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}
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}
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