/*
|
* Copyright (C) 2018 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.
|
*/
|
|
import java.lang.reflect.Field;
|
import java.lang.reflect.Method;
|
|
public class ChildClass {
|
// This method being synchronized means the SIGQUIT code in ART will call
|
// FindLocksAtDexPc (we check for the presence of try blocks),
|
// which triggered a DCHECK of an invariant.
|
public static synchronized void runTest() throws Exception {
|
Main m = Foo.mainObject;
|
|
SigQuit.doKill();
|
|
// Sleep some time to get the kill while executing this method.
|
Thread.sleep(2);
|
|
// The FindLocksAtDexPc method running with the verifier would fail when
|
// resolving this call, as the verifier didn't register Main from the field
|
// access above with the current class loader.
|
Main.staticMethod();
|
System.out.println("Done");
|
}
|
|
private final static class SigQuit {
|
private final static int sigquit;
|
private final static Method kill;
|
private final static int pid;
|
|
static {
|
int pidTemp = -1;
|
int sigquitTemp = -1;
|
Method killTemp = null;
|
|
try {
|
Class<?> osClass = Class.forName("android.system.Os");
|
Method getpid = osClass.getDeclaredMethod("getpid");
|
pidTemp = (Integer)getpid.invoke(null);
|
|
Class<?> osConstants = Class.forName("android.system.OsConstants");
|
Field sigquitField = osConstants.getDeclaredField("SIGQUIT");
|
sigquitTemp = (Integer)sigquitField.get(null);
|
|
killTemp = osClass.getDeclaredMethod("kill", int.class, int.class);
|
} catch (Exception e) {
|
throw new Error(e);
|
}
|
|
pid = pidTemp;
|
sigquit = sigquitTemp;
|
kill = killTemp;
|
}
|
|
public static void doKill() throws Exception {
|
kill.invoke(null, pid, sigquit);
|
}
|
}
|
}
|