/*
* Copyright ( c ) 2015 , 2019 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
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* 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 ) .
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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#ifndef SHARE_GC_G1_G1SURVIVORREGIONS_HPP
#define SHARE_GC_G1_G1SURVIVORREGIONS_HPP
#include "gc/g1/g1RegionsOnNodes.hpp"
#include "runtime/globals.hpp"
template <typename T>
class GrowableArray;
class HeapRegion;
class G1SurvivorRegions {
private :
GrowableArray<HeapRegion*>* _regions;
volatile size_t _used_bytes;
G1RegionsOnNodes _regions_on_node;
public :
G1SurvivorRegions();
uint add(HeapRegion* hr);
void convert_to_eden();
void clear();
uint length() const ;
uint regions_on_node(uint node_index) const ;
const GrowableArray<HeapRegion*>* regions() const {
return _regions;
}
// Used bytes of all survivor regions.
size_t used_bytes() const { return _used_bytes; }
void add_used_bytes(size_t used_bytes);
};
#endif // SHARE_GC_G1_G1SURVIVORREGIONS_HPP
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