1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /** 18 * Test that daemon threads that call into a JNI env after the runtime is shutdown do not crash. 19 */ 20 public class Main { 21 22 public final static int THREAD_COUNT = 4; 23 24 public static void main(String[] args) throws Exception { 25 System.loadLibrary(args[0]); 26 27 for (int i = 0; i < THREAD_COUNT; i++) { 28 Thread t = new Thread(new DaemonRunnable()); 29 t.setDaemon(true); 30 t.start(); 31 } 32 // Give threads time to start and become stuck in waitAndCallIntoJniEnv. 33 Thread.sleep(1000); 34 destroyJavaVMAndExit(); 35 } 36 37 static native void waitAndCallIntoJniEnv(); 38 static native void destroyJavaVMAndExit(); 39 40 private static class DaemonRunnable implements Runnable { 41 public void run() { 42 for (;;) { 43 waitAndCallIntoJniEnv(); 44 } 45 } 46 } 47 } 48
