annotate src/share/vm/gc_implementation/shared/isGCActiveMark.hpp @ 1552:c18cbe5936b8

6941466: Oracle rebranding changes for Hotspot repositories Summary: Change all the Sun copyrights to Oracle copyright Reviewed-by: ohair
author trims
date Thu, 27 May 2010 19:08:38 -0700
parents a61af66fc99e
children f95d63e2154a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
2 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
21 * questions.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
a61af66fc99e Initial load
duke
parents:
diff changeset
25 // This class provides a method for block structured setting of the
a61af66fc99e Initial load
duke
parents:
diff changeset
26 // _is_gc_active state without requiring accessors in CollectedHeap
a61af66fc99e Initial load
duke
parents:
diff changeset
27
a61af66fc99e Initial load
duke
parents:
diff changeset
28 class IsGCActiveMark : public StackObj {
a61af66fc99e Initial load
duke
parents:
diff changeset
29 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
30 IsGCActiveMark() {
a61af66fc99e Initial load
duke
parents:
diff changeset
31 CollectedHeap* heap = Universe::heap();
a61af66fc99e Initial load
duke
parents:
diff changeset
32 assert(!heap->is_gc_active(), "Not reentrant");
a61af66fc99e Initial load
duke
parents:
diff changeset
33 heap->_is_gc_active = true;
a61af66fc99e Initial load
duke
parents:
diff changeset
34 }
a61af66fc99e Initial load
duke
parents:
diff changeset
35
a61af66fc99e Initial load
duke
parents:
diff changeset
36 ~IsGCActiveMark() {
a61af66fc99e Initial load
duke
parents:
diff changeset
37 CollectedHeap* heap = Universe::heap();
a61af66fc99e Initial load
duke
parents:
diff changeset
38 assert(heap->is_gc_active(), "Sanity");
a61af66fc99e Initial load
duke
parents:
diff changeset
39 heap->_is_gc_active = false;
a61af66fc99e Initial load
duke
parents:
diff changeset
40 }
a61af66fc99e Initial load
duke
parents:
diff changeset
41 };