Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/shared/isGCActiveMark.hpp @ 14314:2c95095271e9
Merge
author | ehelin |
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date | Thu, 30 Jan 2014 14:01:45 +0100 |
parents | de6a9e811145 |
children | 4ca6dc0799b6 |
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0 | 1 /* |
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2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_ISGCACTIVEMARK_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_ISGCACTIVEMARK_HPP | |
27 | |
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28 #include "utilities/macros.hpp" |
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29 #if INCLUDE_ALL_GCS |
1972 | 30 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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31 #endif // INCLUDE_ALL_GCS |
1972 | 32 |
0 | 33 // This class provides a method for block structured setting of the |
34 // _is_gc_active state without requiring accessors in CollectedHeap | |
35 | |
36 class IsGCActiveMark : public StackObj { | |
37 public: | |
38 IsGCActiveMark() { | |
39 CollectedHeap* heap = Universe::heap(); | |
40 assert(!heap->is_gc_active(), "Not reentrant"); | |
41 heap->_is_gc_active = true; | |
42 } | |
43 | |
44 ~IsGCActiveMark() { | |
45 CollectedHeap* heap = Universe::heap(); | |
46 assert(heap->is_gc_active(), "Sanity"); | |
47 heap->_is_gc_active = false; | |
48 } | |
49 }; | |
1972 | 50 |
51 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_ISGCACTIVEMARK_HPP |