resourceArea.cpp revision 1472:c18cbe5936b8 
1/*
2 * Copyright (c) 1997, 2005, 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
25# include "incls/_precompiled.incl"
26# include "incls/_resourceArea.cpp.incl"
27
28//------------------------------ResourceMark-----------------------------------
29debug_only(int ResourceArea::_warned;)      // to suppress multiple warnings
30
31// The following routines are declared in allocation.hpp and used everywhere:
32
33// Allocation in thread-local resource area
34extern char* resource_allocate_bytes(size_t size) {
35  return Thread::current()->resource_area()->allocate_bytes(size);
36}
37extern char* resource_allocate_bytes(Thread* thread, size_t size) {
38  return thread->resource_area()->allocate_bytes(size);
39}
40
41extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size){
42  return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size);
43}
44
45extern void resource_free_bytes( char *old, size_t size ) {
46  Thread::current()->resource_area()->Afree(old, size);
47}
48
49#ifdef ASSERT
50ResourceMark::ResourceMark(Thread *thread) {
51  assert(thread == Thread::current(), "not the current thread");
52  initialize(thread);
53}
54
55DeoptResourceMark::DeoptResourceMark(Thread *thread) {
56  assert(thread == Thread::current(), "not the current thread");
57  initialize(thread);
58}
59#endif
60
61
62//-------------------------------------------------------------------------------
63// Non-product code
64#ifndef PRODUCT
65
66void ResourceMark::free_malloced_objects() {
67  Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
68}
69
70void DeoptResourceMark::free_malloced_objects() {
71  Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
72}
73
74#endif
75