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 30 static jweak registered = NULL; 31 32 JNIEXPORT void JNICALL 33 Java_ReturnJNIWeak_registerObject(JNIEnv* env, 34 jclass jclazz, 35 jobject value) { 36 // assert registered == NULL 37 registered = (*env)->NewWeakGlobalRef(env, value); 38 } 39 40 JNIEXPORT void JNICALL 41 Java_ReturnJNIWeak_unregisterObject(JNIEnv* env, jclass jclazz) { 42 if (registered != NULL) { 43 (*env)->DeleteWeakGlobalRef(env, registered); 44 registered = NULL; 45 } 46 } 47 48 JNIEXPORT jobject JNICALL 49 Java_ReturnJNIWeak_getObject(JNIEnv* env, jclass jclazz) { 50 // assert registered != NULL 51 return registered; 52 }