/*
* Copyright (c) 2020, 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_JFR_UTILITIES_JFRLINKEDLIST_HPP
#define SHARE_JFR_UTILITIES_JFRLINKEDLIST_HPP
#include "jfr/utilities/jfrAllocation.hpp"
/*
* This linked-list is thread-safe only for add,
* not for remove, iterate, excise and in_list.
* For multiple producers, single consumer.
*/
template <typename NodeType, typename AllocPolicy = JfrCHeapObj>
class JfrLinkedList : public AllocPolicy {
public:
typedef NodeType Node;
typedef NodeType* NodePtr;
JfrLinkedList();
bool initialize();
bool is_empty() const;
bool is_nonempty() const;
void add(NodePtr node);
NodePtr remove();
template <typename Callback>
void iterate(Callback& cb);
NodePtr head() const;
NodePtr excise(NodePtr prev, NodePtr node);
bool in_list(const NodeType* node) const;
private:
NodePtr _head;
};
#endif // SHARE_JFR_UTILITIES_JFRLINKEDLIST_HPP
¤ Dauer der Verarbeitung: 0.2 Sekunden
¤
*© Formatika GbR, Deutschland