1 /* 2 * Copyright (c) 2018, Red Hat, Inc. All rights reserved. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 #include <jni.h> 25 #include <string.h> 26 27 jobject global_ref = NULL; 28 jobject weak_global_ref = NULL; 29 30 JNIEXPORT void JNICALL 31 Java_TestJNIGlobalRefs_makeGlobalRef(JNIEnv *env, jclass unused, jobject o) { 32 global_ref = (*env)->NewGlobalRef(env, o); 33 } 34 35 JNIEXPORT void JNICALL 36 Java_TestJNIGlobalRefs_makeWeakGlobalRef(JNIEnv *env, jclass unused, jobject o) { 37 weak_global_ref = (*env)->NewWeakGlobalRef(env, o); 38 } 39 40 JNIEXPORT jobject JNICALL 41 Java_TestJNIGlobalRefs_readGlobalRef(JNIEnv *env, jclass unused) { 42 return global_ref; 43 } 44 45 JNIEXPORT jobject JNICALL 46 Java_TestJNIGlobalRefs_readWeakGlobalRef(JNIEnv *env, jclass unused) { 47 return weak_global_ref; 48 }