| /* |
| * Copyright (c) 2018, 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 <stdio.h> |
| #include <string.h> |
| #include <jvmti.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| static jvmtiEnv *jvmti = NULL; |
| |
| JNIEXPORT jint JNICALL Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) { |
| int err = (*jvm)->GetEnv(jvm, (void**) &jvmti, JVMTI_VERSION_9); |
| if (err != JNI_OK) { |
| return JNI_ERR; |
| } |
| return JNI_OK; |
| } |
| |
| JNIEXPORT jstring JNICALL |
| Java_JvmtiGetSystemPropertyTest_getSystemProperty(JNIEnv *env, jclass cls) { |
| jvmtiError err; |
| char* prop_value; |
| |
| err = (*jvmti)->GetSystemProperty(jvmti, "java.vm.info", &prop_value); |
| if (err != JVMTI_ERROR_NONE) { |
| return NULL; |
| } |
| |
| return (*env)->NewStringUTF(env, prop_value); |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
