/*

 * Copyright (c) 2018, 2019, 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 "jni.h"

#include "stdio.h"

#include "stdlib.h"

int main(int argc, char** args) {

    JavaVMInitArgs vm_args;

    JNIEnv *env;

    JavaVM *vm;

    int i =0;

    jint result;

    vm_args.version = JNI_VERSION_1_2;

    vm_args.ignoreUnrecognized = JNI_FALSE;

    JavaVMOption option1[2];

    option1[0].optionString="-XX:+PrintCommandLineFlags";

    option1[1].optionString="-Xrs";

    vm_args.options=option1;

    vm_args.nOptions=2;

    // Print the VM options in use

    printf("initVM: numOptions = %d\n", vm_args.nOptions);

    for (i = 0; i < vm_args.nOptions; i++)

    {

        printf("\tvm_args.options[%d].optionString = %s\n", i, vm_args.options[i].optionString);

    }

    // Initialize VM with given options

    result = JNI_CreateJavaVM( &vm, (void **) &env, &vm_args );

    if (result != 0) {

        printf("ERROR: cannot create JAVA VM.\n");

        exit(-1);

    }

    (*vm)->DestroyJavaVM(vm);

}