Mercurial > hg > truffle
comparison src/share/vm/memory/watermark.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:a61af66fc99e |
---|---|
1 /* | |
2 * Copyright 2000-2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 // A water mark points into a space and is used during GC to keep track of | |
26 // progress. | |
27 | |
28 class Space; | |
29 | |
30 class WaterMark VALUE_OBJ_CLASS_SPEC { | |
31 friend class VMStructs; | |
32 private: | |
33 HeapWord* _point; | |
34 Space* _space; | |
35 public: | |
36 // Accessors | |
37 Space* space() const { return _space; } | |
38 void set_space(Space* s) { _space = s; } | |
39 HeapWord* point() const { return _point; } | |
40 void set_point(HeapWord* p) { _point = p; } | |
41 | |
42 // Constructors | |
43 WaterMark(Space* s, HeapWord* p) : _space(s), _point(p) {}; | |
44 WaterMark() : _space(NULL), _point(NULL) {}; | |
45 }; | |
46 | |
47 inline bool operator==(const WaterMark& x, const WaterMark& y) { | |
48 return (x.point() == y.point()) && (x.space() == y.space()); | |
49 } | |
50 | |
51 inline bool operator!=(const WaterMark& x, const WaterMark& y) { | |
52 return !(x == y); | |
53 } |