| /* |
| * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "gc/g1/g1SurvivorRegions.hpp" |
| #include "gc/g1/heapRegion.hpp" |
| #include "utilities/growableArray.hpp" |
| #include "utilities/debug.hpp" |
| |
| G1SurvivorRegions::G1SurvivorRegions() : _regions(new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapRegion*>(8, true, mtGC)) {} |
| |
| void G1SurvivorRegions::add(HeapRegion* hr) { |
| assert(hr->is_survivor(), "should be flagged as survivor region"); |
| _regions->append(hr); |
| } |
| |
| uint G1SurvivorRegions::length() const { |
| return (uint)_regions->length(); |
| } |
| |
| void G1SurvivorRegions::convert_to_eden() { |
| for (GrowableArrayIterator<HeapRegion*> it = _regions->begin(); |
| it != _regions->end(); |
| ++it) { |
| HeapRegion* hr = *it; |
| hr->set_eden_pre_gc(); |
| } |
| clear(); |
| } |
| |
| void G1SurvivorRegions::clear() { |
| _regions->clear(); |
| } |
| |