1 /*
   2  * Copyright (c) 2003, 2007, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * Copyright 2003 Wily Technology, Inc.
  28  */
  29 
  30 #ifndef _UTILITIES_H_
  31 #define _UTILITIES_H_
  32 
  33 #include    <jni.h>
  34 #include    <jvmti.h>
  35 
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39 
  40 /*
  41  *  This module provides various simple JNI and JVMTI utility functionality.
  42  */
  43 
  44 /*
  45  *  This allocate must be paired with this deallocate. Used for our own working buffers.
  46  *  Implementation may vary.
  47  */
  48 extern void *
  49 allocate(jvmtiEnv * jvmtienv, size_t bytecount);
  50 
  51 extern void
  52 deallocate(jvmtiEnv * jvmtienv, void * buffer);
  53 
  54 
  55 /*
  56  *  Misc. JNI support
  57  */
  58 /* convenience wrapper around JNI instanceOf */
  59 extern jboolean
  60 isInstanceofClassName(  JNIEnv*     jnienv,
  61                         jobject     instance,
  62                         const char* className);
  63 
  64 
  65 /* calling this stops the JVM and does not return */
  66 extern void
  67 abortJVM(   JNIEnv *        jnienv,
  68             const char *    message);
  69 
  70 
  71 #ifdef __cplusplus
  72 } /* extern "C" */
  73 #endif /* __cplusplus */
  74 
  75 
  76 #endif