/*

 * Copyright (c) 2015, Oracle and/or its affiliates. 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.

 */

#include <jni.h>

static jobject weakRef;

/*

 * Class:     SameObject

 * Method:    createWeakRef

 * Signature: (Ljava/lang/Object;)V

 */

JNIEXPORT void JNICALL Java_SameObject_createWeakRef

(JNIEnv *env, jobject obj1, jobject obj2) {

    weakRef = (*env)->NewWeakGlobalRef(env, obj2);

}

/*

 * Class:     SameObject

 * Method:    checkWeakRef

 * Signature: ()I

 */

JNIEXPORT jint JNICALL Java_SameObject_checkWeakRef

(JNIEnv *env, jobject obj) {

    return (*env)->IsSameObject(env, weakRef, NULL) ? 0 : 1;

}