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51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
/*
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* Copyright (c) 2020, 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_RUNTIME_KEEPSTACKGCPROCESSED_HPP
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#define SHARE_RUNTIME_KEEPSTACKGCPROCESSED_HPP
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#include "memory/allocation.hpp"
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#include "runtime/stackWatermark.hpp"
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#include "runtime/stackWatermarkKind.hpp"
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#include "runtime/stackWatermarkSet.hpp"
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// Use this class to mark a remote thread you are currently interested
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// in examining the entire stack, without it slipping into an unprocessed
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// state at safepoint polls.
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class KeepStackGCProcessedMark : public StackObj {
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friend class StackWatermark;
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bool _active;
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JavaThread* _jt;
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void finish_processing();
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public:
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KeepStackGCProcessedMark(JavaThread* jt);
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~KeepStackGCProcessedMark();
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static bool stack_is_kept_gc_processed(JavaThread* jt) NOT_DEBUG({ return true; }) ;
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};
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#endif // SHARE_RUNTIME_KEEPSTACKGCPROCESSED_HPP
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