Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Denken Kreativität

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/sources/formale Sprachen/Java/Openjdk/src/hotspot/share/classfile/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 2 kB

Quelle metadataOnStackMark.hpp Sprache: C

/*
* Copyright (c) 2013, 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_CLASSFILE_METADATAONSTACKMARK_HPP
#define SHARE_CLASSFILE_METADATAONSTACKMARK_HPP

#include "memory/allocation.hpp"
#include "utilities/chunkedList.hpp"

class Metadata;

typedef ChunkedList<Metadata*, mtInternal> MetadataOnStackBuffer;

// Helper class to mark and unmark metadata used on the stack as either handles
// or executing methods, so that it can't be deleted during class redefinition
// and class unloading.
// This is also used for other things that can be deallocated, like class
// metadata during parsing if errors occur, relocated methods, and temporary
// constant pools.
class MetadataOnStackMark : public StackObj {
  NOT_PRODUCT(static bool _is_active;)
  static MetadataOnStackBuffer* _used_buffers;
  static MetadataOnStackBuffer* _free_buffers;
  static MetadataOnStackBuffer* _current_buffer;

  static MetadataOnStackBuffer* allocate_buffer();
  static void retire_buffer(MetadataOnStackBuffer* buffer);

public:
  MetadataOnStackMark(bool walk_all_metadata, bool redefinition_walk);
   ~MetadataOnStackMark();

  static void record(Metadata* m);
  static void retire_current_buffer();
};

#endif // SHARE_CLASSFILE_METADATAONSTACKMARK_HPP

quality100%

¤ Dauer der Verarbeitung: 0.12 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.