1 /*
   2  * Copyright (c) 2013, 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 <assert.h>
  25 #include <jni.h>
  26 
  27 #include <pthread.h>
  28 
  29 JavaVM* jvm;
  30 
  31 void *
  32 floobydust (void *p) {
  33   JNIEnv *env;
  34   jclass class_id;
  35   jmethodID method_id;
  36 
  37   (*jvm)->AttachCurrentThread(jvm, (void**)&env, NULL);
  38 
  39   class_id = (*env)->FindClass (env, "DoOverflow");
  40   assert (class_id);
  41 
  42   method_id = (*env)->GetStaticMethodID(env, class_id, "printIt", "()V");
  43   assert (method_id);
  44 
  45   (*env)->CallStaticVoidMethod(env, class_id, method_id, NULL);
  46 
  47   (*jvm)->DetachCurrentThread(jvm);
  48 }
  49 
  50 int
  51 main (int argc, const char** argv) {
  52   JavaVMOption options[1];
  53   options[0].optionString = (char*) "-Xss320k";
  54 
  55   JavaVMInitArgs vm_args;
  56   vm_args.version = JNI_VERSION_1_2;
  57   vm_args.ignoreUnrecognized = JNI_TRUE;
  58   vm_args.options = options;
  59   vm_args.nOptions = 1;
  60 
  61   JNIEnv* env;
  62   jint result = JNI_CreateJavaVM(&jvm, (void**)&env, &vm_args);
  63   assert(result >= 0);
  64 
  65   pthread_t thr;
  66   pthread_create(&thr, NULL, floobydust, NULL);
  67   pthread_join(thr, NULL);
  68 
  69   floobydust(NULL);
  70 
  71   return 0;
  72 }