1 /* nat/VMObject.c - java/lang/Object
3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
5 M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
6 P. Tomsich, J. Wenninger
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Roman Obermaiser
29 Changes: Joseph Wenninger
31 $Id: VMObject.c 1227 2004-06-30 19:29:35Z twisti $
44 #include "threads/locks.h"
45 #include "toolbox/logging.h"
46 #include "toolbox/memory.h"
47 #include "java_lang_Cloneable.h"
48 #include "java_lang_Object.h"
52 * Class: java/lang/Object
54 * Signature: ()Ljava/lang/Object;
56 JNIEXPORT java_lang_Object* JNICALL Java_java_lang_VMObject_clone(JNIEnv *env, jclass clazz, java_lang_Cloneable *this)
59 java_lang_Object *new;
60 arraydescriptor *desc;
62 if ((desc = this->header.vftbl->arraydesc) != NULL) {
63 /* We are cloning an array */
65 u4 size = desc->dataoffset + desc->componentsize * ((java_arrayheader *) this)->size;
67 new = (java_lang_Object *) heap_allocate(size, (desc->arraytype == ARRAYTYPE_OBJECT), NULL);
68 memcpy(new, this, size);
69 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
70 new->header.monitorBits = 0;
76 /* We are cloning a non-array */
77 if (!builtin_instanceof((java_objectheader *) this, class_java_lang_Cloneable)) {
79 new_exception(string_java_lang_CloneNotSupportedException);
83 /* XXX should use vftbl */
84 c = this->header.vftbl->class;
85 new = (java_lang_Object *) builtin_new(c);
90 memcpy(new, this, c->instancesize);
91 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
92 new->header.monitorBits = 0;
100 * Class: java/lang/Object
104 JNIEXPORT void JNICALL Java_java_lang_VMObject_notify(JNIEnv *env, jclass clazz, java_lang_Object *this)
107 log_text("java_lang_Object_notify called");
109 #if defined(USE_THREADS)
110 signal_cond_for_object(&this->header);
116 * Class: java/lang/Object
120 JNIEXPORT void JNICALL Java_java_lang_VMObject_notifyAll(JNIEnv *env, jclass clazz, java_lang_Object *this)
123 log_text("java_lang_Object_notifyAll called");
125 #if defined(USE_THREADS)
126 broadcast_cond_for_object(&this->header);
132 * Class: java/lang/Object
136 JNIEXPORT void JNICALL Java_java_lang_VMObject_wait(JNIEnv *env, jclass clazz, java_lang_Object *this, s8 time, s4 par3)
139 log_text("java_lang_VMObject_wait called");
141 #if defined(USE_THREADS)
142 wait_cond_for_object(&this->header, time);
148 * These are local overrides for various environment variables in Emacs.
149 * Please do not remove this and leave it at the end of the file, where
150 * Emacs will automagically detect them.
151 * ---------------------------------------------------------------------
154 * indent-tabs-mode: t