src/hotspot/share/trace/tracingExport.hpp
author dcubed
Thu, 12 Apr 2018 09:03:46 -0400
changeset 49756 129d60b5dac7
permissions -rw-r--r--
8200374: Add ThreadsSMRSupport::verify_hazard_pointer_scanned() to verify threads_do(). Summary: Add verification for the threads_do() part of the Thread-SMR protocol. Reviewed-by: eosterlund, dholmes, rehn
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/*
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 * Copyright (c) 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_TRACE_TRACINGEXPORT_HPP
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#define SHARE_VM_TRACE_TRACINGEXPORT_HPP
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#include "runtime/thread.hpp"
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class TracingExport : AllStatic {
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 public:
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  static Thread* sampler_thread_acquire();
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  static void set_sampler_thread_with_lock(Thread* thread);
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 private:
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  static Thread* volatile _sampler_thread;
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};
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#endif // SHARE_VM_TRACE_TRACINGEXPORT_HPP