/* * Copyright (c) 2015, 2019, 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. * */ #ifndef SHARE_GC_G1_G1SURVIVORREGIONS_HPP #define SHARE_GC_G1_G1SURVIVORREGIONS_HPP #include "gc/g1/g1RegionsOnNodes.hpp" #include "runtime/globals.hpp" template class GrowableArray; class HeapRegion; class G1SurvivorRegions { private: GrowableArray* _regions; volatile size_t _used_bytes; G1RegionsOnNodes _regions_on_node; public: G1SurvivorRegions(); virtual uint add(HeapRegion* hr); void convert_to_eden(); void clear(); uint length() const; uint regions_on_node(uint node_index) const; const GrowableArray* 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