src/share/vm/gc_implementation/shared/isGCActiveMark.hpp

Wed, 23 Jan 2013 13:02:39 -0500

author
jprovino
date
Wed, 23 Jan 2013 13:02:39 -0500
changeset 4542
db9981fd3124
parent 2314
f95d63e2154a
child 6198
55fb97c4c58d
permissions
-rw-r--r--

8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
Summary: Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.
Reviewed-by: coleenp, stefank

duke@435 1 /*
stefank@2314 2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_ISGCACTIVEMARK_HPP
stefank@2314 26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_ISGCACTIVEMARK_HPP
stefank@2314 27
jprovino@4542 28 #include "utilities/macros.hpp"
jprovino@4542 29 #if INCLUDE_ALL_GCS
stefank@2314 30 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
jprovino@4542 31 #endif // INCLUDE_ALL_GCS
stefank@2314 32
duke@435 33 // This class provides a method for block structured setting of the
duke@435 34 // _is_gc_active state without requiring accessors in CollectedHeap
duke@435 35
duke@435 36 class IsGCActiveMark : public StackObj {
duke@435 37 public:
duke@435 38 IsGCActiveMark() {
duke@435 39 CollectedHeap* heap = Universe::heap();
duke@435 40 assert(!heap->is_gc_active(), "Not reentrant");
duke@435 41 heap->_is_gc_active = true;
duke@435 42 }
duke@435 43
duke@435 44 ~IsGCActiveMark() {
duke@435 45 CollectedHeap* heap = Universe::heap();
duke@435 46 assert(heap->is_gc_active(), "Sanity");
duke@435 47 heap->_is_gc_active = false;
duke@435 48 }
duke@435 49 };
stefank@2314 50
stefank@2314 51 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_ISGCACTIVEMARK_HPP

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