author | jprovino |
Wed, 23 Jan 2013 13:02:39 -0500 | |
changeset 15482 | 470d0b0c09f1 |
parent 7397 | 5b173b4ca846 |
child 22234 | da823d78ad65 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002, 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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||
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#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_ISGCACTIVEMARK_HPP |
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#define SHARE_VM_GC_IMPLEMENTATION_SHARED_ISGCACTIVEMARK_HPP |
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||
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#include "utilities/macros.hpp" |
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#if INCLUDE_ALL_GCS |
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#include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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#endif // INCLUDE_ALL_GCS |
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// This class provides a method for block structured setting of the |
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// _is_gc_active state without requiring accessors in CollectedHeap |
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class IsGCActiveMark : public StackObj { |
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public: |
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IsGCActiveMark() { |
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CollectedHeap* heap = Universe::heap(); |
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assert(!heap->is_gc_active(), "Not reentrant"); |
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heap->_is_gc_active = true; |
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} |
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~IsGCActiveMark() { |
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CollectedHeap* heap = Universe::heap(); |
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assert(heap->is_gc_active(), "Sanity"); |
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heap->_is_gc_active = false; |
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} |
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}; |
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#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_ISGCACTIVEMARK_HPP |