/*
 * 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;
}