1 /*
   2  * Copyright (c) 2018, 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 #include <stdio.h>
  25 #include <string.h>
  26 #include <jvmti.h>
  27 
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31 
  32     static jvmtiEnv *jvmti = NULL;
  33 
  34     JNIEXPORT jint JNICALL Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) {
  35         int err = (*jvm)->GetEnv(jvm, (void**) &jvmti, JVMTI_VERSION_9);
  36         if (err != JNI_OK) {
  37             return JNI_ERR;
  38         }
  39         err = (*jvmti)->AddToSystemClassLoaderSearch(jvmti, (const char*)options);
  40         if (err != JVMTI_ERROR_NONE) {
  41             return JNI_ERR;
  42         }
  43         return JNI_OK;
  44     }
  45 
  46 #ifdef __cplusplus
  47 }
  48 #endif