Java程序  |  40行  |  1.27 KB

/*
 * 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 {
    public static void main(String[] args) throws Exception {
        System.loadLibrary(args[0]);

        ThreadGroup group = new ThreadGroup("Test group");
        group.setDaemon(true);

        testNativeThread(group);

        if (!executed) {
          throw new IllegalStateException("Expected runFromNative to be done.");
        }
        if (!group.isDestroyed()) {
            throw new IllegalStateException("Threadgroup should be destroyed.");
        }
    }

    private static boolean executed = false;
    private static void runFromNative() {
        executed = true;
    }
    private static native void testNativeThread(ThreadGroup group);
}