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/*
* Copyright (c) 2021, 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_G1GCCOUNTERS_HPP
#define SHARE_GC_G1_G1GCCOUNTERS_HPP
#include "utilities/globalDefinitions.hpp"
class G1CollectedHeap;
// Record collection counters for later use when deciding whether a GC has
// been run since the counter state was recorded.
class G1GCCounters {
uint _total_collections;
uint _total_full_collections;
uint _old_marking_cycles_started;
public:
G1GCCounters() {} // Uninitialized
// Capture the current counters from the heap. The caller must ensure no
// collections will occur while this constructor is executing.
explicit G1GCCounters(G1CollectedHeap* g1h);
uint total_collections() const { return _total_collections; }
uint total_full_collections() const { return _total_full_collections; }
uint old_marking_cycles_started() const { return _old_marking_cycles_started; }
};
#endif // SHARE_GC_G1_G1GCCOUNTERS_HPP
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