1/* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25#ifndef SHARE_VM_GC_G1_G1EDENREGIONS_HPP 26#define SHARE_VM_GC_G1_G1EDENREGIONS_HPP 27 28#include "gc/g1/heapRegion.hpp" 29#include "memory/allocation.hpp" 30#include "runtime/globals.hpp" 31#include "utilities/debug.hpp" 32 33class G1EdenRegions VALUE_OBJ_CLASS_SPEC { 34private: 35 int _length; 36 37public: 38 G1EdenRegions() : _length(0) {} 39 40 void add(HeapRegion* hr) { 41 assert(!hr->is_eden(), "should not already be set"); 42 _length++; 43 } 44 45 void clear() { _length = 0; } 46 47 uint length() const { return _length; } 48}; 49 50#endif // SHARE_VM_GC_G1_G1EDENREGIONS_HPP 51