/*
* Copyright ( C ) 2017 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
public class Main implements Runnable {
static final int numberOfThreads = 2 ;
static boolean sExitFlag = false ;
static boolean sEntered = false ;
int threadIndex;
private static native void deoptimizeAll();
private static native void assertIsInterpreted();
private static native void assertIsManaged();
private static native void ensureJitCompiled(Class <?> cls, String methodName);
Main(int index) {
threadIndex = index;
}
public static void main(String[] args) throws Exception {
System.loadLibrary(args[0 ]);
final Thread [] threads = new Thread [numberOfThreads];
for (int t = 0 ; t < threads.length; t++) {
threads[t] = new Thread (new Main(t));
threads[t].start();
}
for (Thread t : threads) {
t.join();
}
System.out.println("Finishing" );
}
private static int $noinline$bar() {
// Should be entered via interpreter bridge.
assertIsInterpreted();
synchronized (Main.class ) {
sEntered = true ;
Main.class .notify();
while (!sExitFlag) {
try {
Main.class .wait();
} catch (InterruptedException e) {
throw new Error("Unexpected exception." );
}
}
}
assertIsInterpreted();
return 0 x1234;
}
public void $noinline$foo() {
assertIsManaged();
if ($noinline$bar() != 0 x1234) {
System.out.println("Bad return value" );
}
assertIsInterpreted();
}
public void run() {
if (threadIndex == 0 ) {
synchronized (Main.class ) {
while (!sEntered) {
try {
Main.class .wait();
} catch (InterruptedException e) {
throw new Error("Unexpected exception." );
}
}
}
deoptimizeAll();
synchronized (Main.class ) {
sExitFlag = true ;
Main.class .notify();
}
} else {
ensureJitCompiled(Main.class , "$noinline$foo" );
$noinline$foo();
}
}
}
Messung V0.5 in Prozent C=81 H=89 G=84
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-29)
¤
*© Formatika GbR, Deutschland