Thu, 12 Jun 2008 13:50:55 -0700
Merge
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 2000-2001 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // A water mark points into a space and is used during GC to keep track of |
duke@435 | 26 | // progress. |
duke@435 | 27 | |
duke@435 | 28 | class Space; |
duke@435 | 29 | |
duke@435 | 30 | class WaterMark VALUE_OBJ_CLASS_SPEC { |
duke@435 | 31 | friend class VMStructs; |
duke@435 | 32 | private: |
duke@435 | 33 | HeapWord* _point; |
duke@435 | 34 | Space* _space; |
duke@435 | 35 | public: |
duke@435 | 36 | // Accessors |
duke@435 | 37 | Space* space() const { return _space; } |
duke@435 | 38 | void set_space(Space* s) { _space = s; } |
duke@435 | 39 | HeapWord* point() const { return _point; } |
duke@435 | 40 | void set_point(HeapWord* p) { _point = p; } |
duke@435 | 41 | |
duke@435 | 42 | // Constructors |
duke@435 | 43 | WaterMark(Space* s, HeapWord* p) : _space(s), _point(p) {}; |
duke@435 | 44 | WaterMark() : _space(NULL), _point(NULL) {}; |
duke@435 | 45 | }; |
duke@435 | 46 | |
duke@435 | 47 | inline bool operator==(const WaterMark& x, const WaterMark& y) { |
duke@435 | 48 | return (x.point() == y.point()) && (x.space() == y.space()); |
duke@435 | 49 | } |
duke@435 | 50 | |
duke@435 | 51 | inline bool operator!=(const WaterMark& x, const WaterMark& y) { |
duke@435 | 52 | return !(x == y); |
duke@435 | 53 | } |