/* * Copyright (c) 2021, 2022, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2021, BELLSOFT. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * Class1 loads a native library. */ package p; public class Class1 { public Class1() { } // method called from java threads public void loadLibrary(Object obj) throws Exception { System.loadLibrary("loadLibraryUnload"); System.out.println("Native library loaded from Class1."); synchronized (Class1.class) { setRef(obj); } } /** * Native method to store an object ref in a native Global reference * to be cleared when the library is unloaded. * @param obj an object */ private static native void setRef(Object obj); }