| /* |
| * Copyright (c) 2018, Red Hat, Inc. 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> |
| |
| JNIEnv* create_vm(JavaVM **jvm, char *extra_option) |
| { |
| JNIEnv* env; |
| JavaVMInitArgs args; |
| JavaVMOption options[4]; |
| args.version = JNI_VERSION_1_8; |
| args.nOptions = 3 + (extra_option != NULL); |
| options[0].optionString = "-Xss2048k"; |
| char classpath[4096]; |
| snprintf(classpath, sizeof classpath, |
| "-Djava.class.path=%s", getenv("CLASSPATH")); |
| options[1].optionString = classpath; |
| options[2].optionString = "-XX:+UnlockExperimentalVMOptions"; |
| if (extra_option) { |
| options[3].optionString = extra_option; |
| } |
| args.options = &options[0]; |
| args.ignoreUnrecognized = 0; |
| int rv; |
| rv = JNI_CreateJavaVM(jvm, (void**)&env, &args); |
| if (rv < 0) return NULL; |
| return env; |
| } |
| |
| void run(char *extra_arg) { |
| JavaVM *jvm; |
| jclass T_class; |
| jmethodID test_method; |
| JNIEnv *env = create_vm(&jvm, extra_arg); |
| if (env == NULL) |
| exit(1); |
| T_class = (*env)->FindClass(env, "T"); |
| if ((*env)->ExceptionCheck(env) == JNI_TRUE) { |
| (*env)->ExceptionDescribe(env); |
| exit(1); |
| } |
| test_method = (*env)->GetStaticMethodID(env, T_class, "test", "(I)V"); |
| if ((*env)->ExceptionCheck(env) == JNI_TRUE) { |
| (*env)->ExceptionDescribe(env); |
| exit(1); |
| } |
| (*env)->CallStaticVoidMethod(env, T_class, test_method, 1000); |
| } |
| |
| |
| int main(int argc, char **argv) |
| { |
| if (argc > 1) { |
| run(argv[1]); |
| } else { |
| run(NULL); |
| } |
| |
| return 0; |
| } |