hotspot/src/share/vm/runtime/extendedPC.hpp
author jmasa
Tue, 09 Aug 2011 10:16:01 -0700
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6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads Summary: Select number of GC threads dynamically based on heap usage and number of Java threads Reviewed-by: johnc, ysr, jcoomes
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/*
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 * Copyright (c) 1998, 2010, 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_RUNTIME_EXTENDEDPC_HPP
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#define SHARE_VM_RUNTIME_EXTENDEDPC_HPP
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// An ExtendedPC contains the _pc from a signal handler in a platform
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// independent way.
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class ExtendedPC VALUE_OBJ_CLASS_SPEC {
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 private:
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  address _pc;
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 public:
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  address pc() const { return _pc; }
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  ExtendedPC(address pc) { _pc  = pc;   }
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  ExtendedPC()           { _pc  = NULL; }
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};
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#endif // SHARE_VM_RUNTIME_EXTENDEDPC_HPP