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/*
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* Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_JFR_RECORDER_STORAGE_JFRSTORAGECONTROL_HPP
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#define SHARE_VM_JFR_RECORDER_STORAGE_JFRSTORAGECONTROL_HPP
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#include "jfr/utilities/jfrAllocation.hpp"
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class JfrStorageControl : public JfrCHeapObj {
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private:
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size_t _global_count_total;
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size_t _full_count;
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volatile size_t _global_lease_count;
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volatile size_t _dead_count;
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size_t _to_disk_threshold;
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size_t _in_memory_discard_threshold;
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size_t _global_lease_threshold;
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size_t _scavenge_threshold;
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bool _to_disk;
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public:
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JfrStorageControl(size_t global_count_total, size_t in_memory_discard_threshold);
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void set_to_disk(bool enable);
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bool to_disk() const;
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size_t full_count() const;
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size_t increment_full();
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size_t decrement_full();
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void reset_full();
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bool should_post_buffer_full_message() const;
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bool should_discard() const;
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size_t global_lease_count() const;
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size_t increment_leased();
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size_t decrement_leased();
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bool is_global_lease_allowed() const;
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size_t dead_count() const;
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size_t increment_dead();
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size_t decrement_dead();
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void set_scavenge_threshold(size_t number_of_dead_buffers);
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bool should_scavenge() const;
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};
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#endif // SHARE_VM_JFR_RECORDER_STORAGE_JFRSTORAGECONTROL_HPP
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