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/*
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* Copyright (c) 2012, 2013, 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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#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP
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#define SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP
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#include "runtime/thread.hpp"
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#include "utilities/globalDefinitions.hpp"
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class CopyFailedInfo : public CHeapObj<mtGC> {
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size_t _first_size;
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size_t _smallest_size;
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size_t _total_size;
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uint _count;
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public:
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CopyFailedInfo() : _first_size(0), _smallest_size(0), _total_size(0), _count(0) {}
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virtual void register_copy_failure(size_t size) {
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if (_first_size == 0) {
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_first_size = size;
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_smallest_size = size;
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} else if (size < _smallest_size) {
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_smallest_size = size;
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}
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_total_size += size;
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_count++;
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}
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virtual void reset() {
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_first_size = 0;
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_smallest_size = 0;
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_total_size = 0;
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_count = 0;
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}
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bool has_failed() const { return _count != 0; }
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size_t first_size() const { return _first_size; }
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size_t smallest_size() const { return _smallest_size; }
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size_t total_size() const { return _total_size; }
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uint failed_count() const { return _count; }
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};
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class PromotionFailedInfo : public CopyFailedInfo {
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OSThread* _thread;
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public:
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PromotionFailedInfo() : CopyFailedInfo(), _thread(NULL) {}
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void register_copy_failure(size_t size) {
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CopyFailedInfo::register_copy_failure(size);
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if (_thread == NULL) {
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_thread = Thread::current()->osthread();
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} else {
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assert(_thread == Thread::current()->osthread(), "The PromotionFailedInfo should be thread local.");
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}
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}
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void reset() {
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CopyFailedInfo::reset();
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_thread = NULL;
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}
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OSThread* thread() const { return _thread; }
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};
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class EvacuationFailedInfo : public CopyFailedInfo {};
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#endif /* SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP */
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