Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: classListWriter.hpp Sprache: C

/*
* Copyright (c) 2020, 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_CDS_CLASSLISTWRITER_HPP
#define SHARE_CDS_CLASSLISTWRITER_HPP

#include "runtime/javaThread.hpp"
#include "runtime/mutexLocker.hpp"
#include "utilities/ostream.hpp"

class ClassFileStream;

class ClassListWriter {
#if INCLUDE_CDS
  class IDTable;
  static fileStream* _classlist_file;
  static IDTable* _id_table;
  static int _total_ids;
  MutexLocker _locker;

  static int get_id(const InstanceKlass* k);
  static bool has_id(const InstanceKlass* k);
  static void assert_locked() { assert_lock_strong(ClassListFile_lock); }
public:
  ClassListWriter() : _locker(Thread::current(), ClassListFile_lock, Mutex::_no_safepoint_check_flag) {}

  outputStream* stream() {
    return _classlist_file;
  }

  void handle_class_unloading(const InstanceKlass* klass);

  static bool is_enabled() {
    return _classlist_file != NULL && _classlist_file->is_open();
  }

#else
public:
  static bool is_enabled() {
    return false;
  }
#endif // INCLUDE_CDS

  static void init() NOT_CDS_RETURN;
  static void write(const InstanceKlass* k, const ClassFileStream* cfs) NOT_CDS_RETURN;
  static void write_to_stream(const InstanceKlass* k, outputStream* stream, const ClassFileStream* cfs = NULL) NOT_CDS_RETURN;
  static void delete_classlist() NOT_CDS_RETURN;
};

#endif // SHARE_CDS_CLASSLISTWRITER_HPP

¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet) ¤

Download des Quellennavigators
Download des sprechenden Kalenders
in der Quellcodebibliothek suchen

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.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.