1/*
2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * Native support for ReturnJNIWeak test.
26 */
27
28#include "jni.h"
29
30static jweak registered = NULL;
31
32JNIEXPORT void JNICALL
33Java_ReturnJNIWeak_registerObject(JNIEnv* env,
34                                  jclass jclazz,
35                                  jobject value) {
36  // assert registered == NULL
37  registered = (*env)->NewWeakGlobalRef(env, value);
38}
39
40JNIEXPORT void JNICALL
41Java_ReturnJNIWeak_unregisterObject(JNIEnv* env, jclass jclazz) {
42  if (registered != NULL) {
43    (*env)->DeleteWeakGlobalRef(env, registered);
44    registered = NULL;
45  }
46}
47
48JNIEXPORT jobject JNICALL
49Java_ReturnJNIWeak_getObject(JNIEnv* env, jclass jclazz) {
50  // assert registered != NULL
51  return registered;
52}
53