Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/services/memPtr.cpp
src/share/vm/services/memPtr.cpp
- changeset 7074
- 833b0f92429a
- parent 5666
- baa7927dfbd2
- child 6876
- 710a3c8b516e
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| 7073:4d3a43351904 | 7074:833b0f92429a |
|---|---|
| 1 /* | |
| 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. | |
| 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 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #include "precompiled.hpp" | |
| 26 #include "services/memPtr.hpp" | |
| 27 #include "services/memTracker.hpp" | |
| 28 | |
| 29 volatile jint SequenceGenerator::_seq_number = 1; | |
| 30 volatile unsigned long SequenceGenerator::_generation = 1; | |
| 31 NOT_PRODUCT(jint SequenceGenerator::_max_seq_number = 1;) | |
| 32 | |
| 33 jint SequenceGenerator::next() { | |
| 34 jint seq = Atomic::add(1, &_seq_number); | |
| 35 if (seq < 0) { | |
| 36 MemTracker::shutdown(MemTracker::NMT_sequence_overflow); | |
| 37 } else { | |
| 38 NOT_PRODUCT(_max_seq_number = (seq > _max_seq_number) ? seq : _max_seq_number;) | |
| 39 } | |
| 40 return seq; | |
| 41 } | |
| 42 |
