56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
/*
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* Copyright (c) 2015, 2016, 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 "gc/g1/g1SurvivorRegions.hpp"
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#include "gc/g1/heapRegion.hpp"
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#include "utilities/growableArray.hpp"
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#include "utilities/debug.hpp"
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G1SurvivorRegions::G1SurvivorRegions() : _regions(new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapRegion*>(8, true, mtGC)) {}
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void G1SurvivorRegions::add(HeapRegion* hr) {
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assert(hr->is_survivor(), "should be flagged as survivor region");
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_regions->append(hr);
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}
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uint G1SurvivorRegions::length() const {
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return (uint)_regions->length();
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}
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void G1SurvivorRegions::convert_to_eden() {
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for (GrowableArrayIterator<HeapRegion*> it = _regions->begin();
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it != _regions->end();
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++it) {
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HeapRegion* hr = *it;
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hr->set_eden_pre_gc();
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}
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clear();
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}
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void G1SurvivorRegions::clear() {
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_regions->clear();
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}
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