1/*
2 * Copyright (c) 1997, 2017, 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 "precompiled.hpp"
26#include "memory/allocation.inline.hpp"
27#include "memory/resourceArea.inline.hpp"
28#include "runtime/mutexLocker.hpp"
29#include "runtime/thread.inline.hpp"
30#include "services/memTracker.hpp"
31
32void ResourceArea::bias_to(MEMFLAGS new_flags) {
33 if (new_flags != _flags) {
34 MemTracker::record_arena_free(_flags);
35 MemTracker::record_new_arena(new_flags);
36 _flags = new_flags;
37 }
38}
39
40//------------------------------ResourceMark-----------------------------------
41debug_only(int ResourceArea::_warned;) // to suppress multiple warnings
42
43// The following routines are declared in allocation.hpp and used everywhere:
44
45// Allocation in thread-local resource area
46extern char* resource_allocate_bytes(size_t size, AllocFailType alloc_failmode) {
47 return Thread::current()->resource_area()->allocate_bytes(size, alloc_failmode);
48}
49extern char* resource_allocate_bytes(Thread* thread, size_t size, AllocFailType alloc_failmode) {
50 return thread->resource_area()->allocate_bytes(size, alloc_failmode);
51}
52
53extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size, AllocFailType alloc_failmode){
54 return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size, alloc_failmode);
55}
56
57extern void resource_free_bytes( char *old, size_t size ) {
58 Thread::current()->resource_area()->Afree(old, size);
59}
60
61#ifdef ASSERT
62ResourceMark::ResourceMark(Thread *thread) {
63 assert(thread == Thread::current(), "not the current thread");
64 initialize(thread);
65}
66
67DeoptResourceMark::DeoptResourceMark(Thread *thread) {
68 assert(thread == Thread::current(), "not the current thread");
69 initialize(thread);
70}
71#endif
72
73
74//-------------------------------------------------------------------------------
75// Non-product code
76#ifndef PRODUCT
77
78void ResourceMark::free_malloced_objects() {
79 Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
80}
81
82void DeoptResourceMark::free_malloced_objects() {
83 Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
84}
85
86#endif
87