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Mathieu Chartierfc7acf92016-01-13 16:20:26 -08001/*
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 */
20public 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}