hotspot/src/share/vm/memory/resourceArea.cpp
author tonyp
Tue, 08 Nov 2011 00:41:28 -0500
changeset 10997 0be4b3be7197
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child 14083 103054a71a30
permissions -rw-r--r--
7099849: G1: include heap region information in hs_err files Reviewed-by: johnc, brutisso, poonam
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/*
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 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "memory/allocation.inline.hpp"
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#include "memory/resourceArea.hpp"
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#include "runtime/mutexLocker.hpp"
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#ifdef TARGET_OS_FAMILY_linux
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# include "thread_linux.inline.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_solaris
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# include "thread_solaris.inline.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_windows
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# include "thread_windows.inline.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_bsd
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# include "thread_bsd.inline.hpp"
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#endif
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//------------------------------ResourceMark-----------------------------------
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debug_only(int ResourceArea::_warned;)      // to suppress multiple warnings
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// The following routines are declared in allocation.hpp and used everywhere:
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// Allocation in thread-local resource area
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extern char* resource_allocate_bytes(size_t size) {
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  return Thread::current()->resource_area()->allocate_bytes(size);
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}
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extern char* resource_allocate_bytes(Thread* thread, size_t size) {
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  return thread->resource_area()->allocate_bytes(size);
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}
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extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size){
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  return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size);
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}
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extern void resource_free_bytes( char *old, size_t size ) {
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  Thread::current()->resource_area()->Afree(old, size);
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}
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#ifdef ASSERT
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ResourceMark::ResourceMark(Thread *thread) {
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  assert(thread == Thread::current(), "not the current thread");
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  initialize(thread);
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}
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DeoptResourceMark::DeoptResourceMark(Thread *thread) {
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  assert(thread == Thread::current(), "not the current thread");
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  initialize(thread);
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}
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#endif
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//-------------------------------------------------------------------------------
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// Non-product code
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#ifndef PRODUCT
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void ResourceMark::free_malloced_objects() {
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  Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
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}
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void DeoptResourceMark::free_malloced_objects() {
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  Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
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}
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#endif