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annotate src/share/vm/gc_implementation/shared/gcId.cpp @ 20417:d35872270666

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8057658: Enable G1 FullGC extensions Summary: Refactored the G1 FullGC code to enable it to be extended. Reviewed-by: mgerdin, brutisso
author sjohanss
date Tue, 09 Sep 2014 00:05:25 +0200
parents 0982ec23da03
children
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20190
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "gc_implementation/shared/gcId.hpp"
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27 #include "runtime/safepoint.hpp"
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28
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29 uint GCId::_next_id = 0;
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30
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31 const GCId GCId::create() {
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32 return GCId(_next_id++);
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33 }
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34 const GCId GCId::peek() {
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35 return GCId(_next_id);
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36 }
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37 const GCId GCId::undefined() {
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38 return GCId(UNDEFINED);
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39 }
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40 bool GCId::is_undefined() const {
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41 return _id == UNDEFINED;
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42 }