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products/Sources/formale Sprachen/JAVA/Openjdk/src/hotspot/share/gc/serial/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 1 kB

Quelle serialStringDedup.hpp Sprache: C

/*
* Copyright (c) 2021, Alibaba Group Holding Limited. 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_SERIAL_STRINGDEDUP_HPP
#define SHARE_GC_SERIAL_STRINGDEDUP_HPP

#include "memory/allStatic.hpp"
#include "oops/oopsHierarchy.hpp"

class SerialStringDedup : AllStatic {
public:

  // Candidate selection policy for full GC, returning true if the given
  // String is a candidate for string deduplication.
  // precondition: StringDedup::is_enabled()
  // precondition: java_string is a Java String
  static bool is_candidate_from_mark(oop java_string);

  // Candidate selection policy for young during evacuation.
  static inline bool is_candidate_from_evacuation(oop obj, bool obj_is_tenured);

};

#endif // SHARE_GC_SERIAL_STRINGDEDUP_HPP

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