1acad37ee6
8227053: ServiceThread cleanup of OopStorage is missing some OopStorages provides named access and iteration. Reviewed-by: eosterlund, pliden, coleenp
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
/*
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* Copyright (c) 2017, 2019, 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_PRIMS_RESOLVEDMETHODTABLE_HPP
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#define SHARE_PRIMS_RESOLVEDMETHODTABLE_HPP
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#include "memory/allocation.hpp"
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#include "oops/symbol.hpp"
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#include "oops/weakHandle.hpp"
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class ResolvedMethodTable;
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class ResolvedMethodTableConfig;
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class ResolvedMethodTable : public AllStatic {
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static volatile bool _has_work;
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public:
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// Initialization
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static void create_table();
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static size_t table_size();
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// Lookup and inserts
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static oop find_method(const Method* method);
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static oop add_method(const Method* method, Handle rmethod_name);
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// Callbacks
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static void item_added();
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static void item_removed();
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// Cleaning
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static bool has_work() { return _has_work; }
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// Cleaning and table management
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static double get_load_factor();
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static double get_dead_factor();
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static void check_concurrent_work();
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static void trigger_concurrent_work();
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static void do_concurrent_work(JavaThread* jt);
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static void grow(JavaThread* jt);
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static void clean_dead_entries(JavaThread* jt);
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// GC Notification
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// Must be called before a parallel walk where objects might die.
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static void reset_dead_counter();
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// After the parallel walk this method must be called to trigger
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// cleaning. Note it might trigger a resize instead.
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static void finish_dead_counter();
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// If GC uses ParState directly it should add the number of cleared
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// entries to this method.
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static void inc_dead_counter(size_t ndead);
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// JVMTI Support - It is called at safepoint only for RedefineClasses
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JVMTI_ONLY(static void adjust_method_entries(bool * trace_name_printed);)
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// Debugging
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static size_t items_count();
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static void verify();
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};
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#endif // SHARE_PRIMS_RESOLVEDMETHODTABLE_HPP
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